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{{About|the Soviet medium tank|other uses |T34 (disambiguation)}}
{{Short description|Soviet medium tank, Second World War}}
{{short description|Second World War Soviet medium tank}}
{{About|the Soviet medium tank|other uses |T34 (disambiguation){{!}}T34}}
{{Use British English|date= August 2018}}
{{Use British English|date=August 2018}}
{{Use dmy dates|date=July 2024}}
{{Infobox weapon
{{Infobox weapon
| name= T-34
| name = T-34
| image = File:Tank T-34.JPG
| image= [[File: char T-34.jpg|border|frameless|upright=1.36|A T-34-85 tank on display at the Musée des Blindés in [[Saumur]], April 2007]]
| image_size = 300
| caption= A T-34-85 tank on display at [[Musée des Blindés]] in April 2007
| caption = T-34-85 medium tank
| origin= [[Soviet Union]]
| alt =
| type= [[Medium tank]]
| origin = [[Soviet Union]]
| is_UK= yes
| type = [[Medium tank]]
<!-- Type selection -->
| is_UK = yes <!-- sets spelling of armour in infobox to match article spelling -->
| is_vehicle= yes
<!-- Type selection -->| is_vehicle = yes
<!-- Service history -->
<!-- Service history -->| service = 1940&ndash;present
| service = 1940–1960s (Soviet Union) <br />1950s–present (by other states)
| used_by = [[Soviet Union]] and 39 others
| used_by = [[Soviet Union]] and 39 others
| wars = [[World War II]] <br/> [[Korean War]] <br/> [[East German uprising of 1953]] <br/> [[Hungarian Revolution of 1956]] <br/> [[Vietnam War]] <br/> [[Suez Crisis]] <br/> [[Bay of Pigs Invasion]] <br/> [[North Yemen Civil War]] <br/> [[Six-Day War]] <br/> [[Yom Kippur War]] <br/> [[1974 Cypriot coup d'état]] <br/> [[Turkish invasion of Cyprus]] <br/> [[Ethiopian Civil War]] <br/> [[Angolan Civil War]] <br/> [[Ogaden War]] <br/> [[Cambodian–Vietnamese War|Vietnamese invasion of Kampuchea]] <br/> [[Sino-Vietnamese War]] <br/> [[Yemenite War of 1979]] <br/> [[Soviet–Afghan War]] <br/> [[Iran-Iraq War]] <br/> [[Yugoslav Wars]] <br/> [[Syrian Civil War]] <br/> [[Yemeni Civil War (2014–present)]]<!-- Production history -->
| wars= [[World War II]], and many others<!-- Production history -->
| designer= [[Kharkiv Morozov Machine Building Design Bureau|KhMDB]]
| designer = [[Kharkiv Morozov Machine Building Design Bureau|KhMDB]]
| design_date= 1937–1940
| design_date = 1937–1940
| unit_cost = 3,094–9,000 Man hours<ref>Yermolov A Tankovaya promysshlenost St Petersberg (2012) p. 188</ref> <br /> 130,000–429,000&nbsp;[[Soviet rouble|Rbls]]<ref>{{harvnb|Zaloga| 2015|p= [https://books.google.com/books?id=22gSCAAAQBAJ&pg=PA38 38]}}</ref>
| manufacturer=
| manufacturer =
| production_date= 1940–45 (USSR), <br />1951–55 (Poland), <br />1951–58 (Czechoslovakia)
| production_date = 1940–1946 (USSR), <br/>1951–1955 (Poland), <br />1951–1958 (Czechoslovakia)
| number= 84,070<ref name="Zaloga-1996-18">[[#Reference-Zaloga-1996|Zaloga & Kinnear 1996:18]]</ref><br />35,120 T-34<ref name="Zaloga-1996-18" /><br />48,950 T-34-85<ref name="Zaloga-1996-18" />
| number = 84,070<ref name="Zaloga-1996-18">{{harvnb|Zaloga|Kinnear|1996|p=18}}</ref><br/>35,120 T-34<ref name="Zaloga-1996-18" /><br/>48,950 T-34-85<ref name="Zaloga-1996-18" />
<!-- General specifications -->
| variants = See [[T-34 variants]]
| spec_label= T-34 Model 1941<ref>[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:184]]</ref>
<!-- General specifications -->| spec_label = T-34 Model 1941<ref>{{harvnb|Zaloga|Grandsen|1984|p=184}}</ref>
| weight= {{convert|26.5|t|ST LT}}
| weight = {{plainlist|
| length= {{cvt|6.68|m|ftin}}
| width= {{cvt|3.00|m|ftin}}
* {{convert|26.5|t|ST LT}}
* {{convert|32.4|t|ST LT}} (T-34-85)
| height= {{cvt|2.45|m|ftin}}
}}
| crew= 4 (T-34) <br /> 5 (T-34-85)
| length = {{cvt|6.68|m|ftin}}
<!-- Vehicle/missile specifications -->
| width = {{cvt|3.00|m|ftin}}
| armour= Hull front 47&nbsp;mm /60° (upper part)<ref>[http://www.wwiivehicles.com/soviet-union/vehicle/medium-tank/t-34-76-1941-medium-tank.asp Specifications for T-34 model 41] WWIIVehicles.com. Retrieved on 18 May 2013.</ref> <br />45&nbsp;mm (1.8")/60° (lower part), <br />Hull side 40&nbsp;mm<ref name="ReferenceC">[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:5]]</ref>/41°(upper part), <br />Hull rear 45&nbsp;mm, <br />Hull top 20&nbsp;mm, <br />Hull bottom 15&nbsp;mm; <br />Turret front 60&nbsp;mm (2.4"), <br />Turret side 52&nbsp;mm/30°, <br />Turret rear 30&nbsp;mm, <br />Turret top 16&nbsp;mm {{verify source|date= November 2015}}
| height = {{cvt|2.46|m|ftin}}
| primary_armament= 76.2&nbsp;mm (3.00&nbsp;in) [[F-34 tank gun]]<br /> (T-34-85: 85&nbsp;mm [[ZiS-S-53]] or [[D-5T]] gun)
| crew = 4 (T-34)
| secondary_armament= 2 × 7.62 mm (0.3&nbsp;in) [[Degtyaryov machine gun|DT machine guns]]
<!-- Vehicle/missile specifications -->| armour = Hull front 47&nbsp;mm /60° (upper part)<ref>[http://www.wwiivehicles.com/soviet-union/vehicle/medium-tank/t-34-76-1941-medium-tank.asp Specifications for T-34 model 41] {{Webarchive|url=https://web.archive.org/web/20150926143302/http://www.wwiivehicles.com/soviet-union/vehicle/medium-tank/t-34-76-1941-medium-tank.asp |date=26 September 2015 }} WWIIVehicles.com. Retrieved on 18 May 2013.</ref> <br/>45&nbsp;mm (1.8")/60° (lower part), <br/>Hull side 40&nbsp;mm<ref name="ReferenceC">{{harvnb|Zaloga| 1994|p=5}}</ref>/41°(upper part), <br/>Hull rear 45&nbsp;mm, <br/>Hull top 20&nbsp;mm, <br />Hull bottom 15&nbsp;mm; <br/>Turret front 60&nbsp;mm (round), <br/>Turret side 52&nbsp;mm/30°, <br/>Turret rear 30&nbsp;mm, <br />Turret top 16&nbsp;mm {{verify source|date= November 2015}}
| engine= [[Diesel model V-2|Model V-2-34]] 38.8&nbsp;L [[V12 engine|V12]] [[Diesel engine]]
| engine_power= 500&nbsp;hp (370&nbsp;kW)
| primary_armament = 76.2&nbsp;mm (3.00&nbsp;in) [[F-34 tank gun]]
| secondary_armament = 2 × 7.62 mm (0.3&nbsp;in) [[Degtyaryov machine gun|DT machine guns]]
| pw_ratio= 18.9 hp (14 kW) / tonne (T-34) 15.6 hp (11.6 KW) / tonne (T-34-85)
| engine = [[Diesel model V-2|Model V-2-34]] 38.8&nbsp;L [[V12 engine|V12]] [[Diesel engine]]
| suspension= [[Christie suspension|Christie]]
| engine_power = 500&nbsp;hp (370&nbsp;kW)
| clearance= {{cvt|0.4|m|in}}
| pw_ratio = 18.9 hp (14 kW) / tonne (T-34)
| vehicle_range= {{unbulleted list|250–330&nbsp;km (T-34) (250&nbsp;mi)|250–300&nbsp;km (T-34-85) (150&nbsp;mi)}}
| suspension = [[Christie suspension|Christie]]
| speed= 53&nbsp;km/h (33&nbsp;mph) (T-34-85 Model)
| clearance = {{cvt|0.4|m|in}}
| Other Models= 40&nbsp;km/h (25&nbsp;mph) (T-34-76(1943) Model)
| vehicle_range = Road: <br />{{convert|330|km|mi|abbr=on}}<br />Cross-country: <br /> {{convert|200|km|mi|abbr=on}} {{efn|{{convert|450|km|mi|abbr=on}} and {{convert|260|km|mi|abbr=on}} for the T-34 Model 43 with additional fuel tanks}}<ref>{{harvnb| Zaloga | Grandsen |1984|p= 184}}</ref>
| speed = 53&nbsp;km/h (33&nbsp;mph)
}}
}}
{{T-34 navigation}}
{{T-34 navigation}}
{{WWII tanks}}
{{Cold War tanks}}
{{Post-Cold War tanks}}


The '''T-34''' is a Soviet [[medium tank]] from [[World War II]]. When introduced, its 76.2&nbsp;mm (3&nbsp;in) [[tank gun]] was more powerful than many of its contemporaries,<ref>{{cite book|last=McFadden|first=David Frederick|title=Two ways to build a better mousetrap|publisher=Ohio State University|year=2002|location=Ohio|page=11}}</ref> and its 60-degree [[sloped armour]] provided good protection against [[Anti-tank warfare|anti-tank weapons]]. The T-34 had a profound effect on the conflict on the [[Eastern Front (World War II)|Eastern Front]], and had a long-lasting impact on tank design. The tank was praised by multiple German generals when encountered during [[Operation Barbarossa]], although its armour and armament were surpassed later in the war. Its main strength was its cost and production time, meaning that German panzer forces would often fight against Soviet tank forces several times their own size. The T-34 was also a critical part of the mechanized divisions that formed the backbone of the [[Deep operation|deep battle strategy]].
The '''T-34''' is a [[Tanks in the Soviet Union|Soviet]] [[medium tank]] introduced in 1940, famously deployed during [[World War II]] against [[German invasion of the Soviet Union|Operation Barbarossa]].


The T-34 was the mainstay of the Soviet [[Red Army]] [[armoured warfare|armoured forces]] throughout the war. Its general specifications remained nearly unchanged until early 1944, when it received a firepower upgrade with the introduction of the greatly improved T-34-85 variant. Its production method was continuously refined and rationalized to meet the needs of the Eastern Front, making the T-34 quicker and cheaper to produce. The Soviets ultimately built over 80,000 T-34s of all variants, allowing steadily greater numbers to be fielded despite the loss of tens of thousands in combat against the German [[Wehrmacht]].<ref>{{cite web |title=The T-34 in WWII: the Legend vs. the Performance |first=Nigel |last=Askey |url=http://www.operationbarbarossa.net/the-t-34-in-wwii-the-legend-vs-the-performance/#Conclusions%2520Regarding%20the%20T-34%E2%80%99s%20Overall%20Performance%20as%20a%20%E2%80%98War%20Winner%E2%80%99 |website=www.operationbarbarossa.net |publisher=Nigel Askey |access-date=16 December 2015 |archive-date=22 December 2015 |archive-url=https://web.archive.org/web/20151222091823/http://www.operationbarbarossa.net/the-t-34-in-wwii-the-legend-vs-the-performance/#Conclusions%2520Regarding%20the%20T-34%E2%80%99s%20Overall%20Performance%20as%20a%20%E2%80%98War%20Winner%E2%80%99 |url-status=live }}</ref>
Its 76.2&nbsp;mm (3&nbsp;in) high-velocity [[tank gun]] was more powerful than its contemporaries<ref>{{cite book|last=McFadden|first=David Frederick|url=|title=Two ways to build a better mousetrap|publisher=Ohio State University|year=2002|isbn=|location=Ohio|page=11|accessdate=}}</ref> while its 60 degree [[sloped armour|sloped armor]] provided good protection against [[Anti-tank warfare|anti-tank]] weapons. The sloped armor and [[Christie suspension]] were inherited from the design of American [[J. Walter Christie]]'s M1928 tank, versions of which were sold turret-less to the Red Army and documented as "farm tractors", after being rejected by the U.S. Army. The T-34 had a profound effect on the conflict on the [[Eastern Front (World War II)|Eastern Front]] in the [[World War II|Second World War]], and had a lasting impact on tank design. After the Germans encountered the tank in 1941, German general [[Paul Ludwig Ewald von Kleist]] called it "the finest tank in the world"<ref>{{cite book|last=Stahel|first=David|title=Operation Barbarossa and Germany's Defeat in the East|year=2009|publisher=Cambridge university press|location=New York|chapter=5|isbn=978-0-521-76847-4|page=169}}</ref> and [[Heinz Guderian]] affirmed the T-34's "vast superiority" over German tanks.<ref>{{cite book|last=Guderian|first=Heinz|authorlink=|title=Panzer Leader|year=2000|publisher=Penguin Classics|location=London|chapter=6|isbn=978-0-14-139027-7|page=233}}</ref><ref>Caidin, M. (1974). 14 "The incredible T-34 tank." In ''The Tigers are Burning'' (2nd ed., p. 162). Los Angeles: Pinnacle Books.</ref> "As early as July 1941, OKW chief [[Alfred Jodl]] noted in his war diary the surprise at this new and thus unknown wunder-armament being unleashed against the German assault divisions."<ref>{{Cite book|title=Engineers of Victory|last=Kennedy|first=Paul|publisher=Random House|year=2013|isbn=978-1-4000-6761-9|location=New York|pages=184}}</ref> Although its armor and armament were surpassed later in the war, it has been described as the most influential [[tank]] design of the war.<ref>{{Cite web|url=http://www.achtungpanzer.com/t34.htm|title=Achtung Panzer! – T-34!}}</ref>


The T-34 was the mainstay of Soviet [[armoured warfare|armored forces]] throughout the war. Its general specifications remained nearly unchanged until late 1944, when it received a firepower upgrade with the introduction of the greatly improved T-34/85 variant. Its production method was continuously refined and rationalized to meet the needs of the Eastern Front, making the T-34 quicker and cheaper to produce. The Soviets ultimately built over 80,000 T-34s of all variants, allowing steadily greater numbers to be fielded despite the loss of tens of thousands in combat against the German [[Wehrmacht]].<ref>{{Cite web|title=The T-34 in WWII: the Legend vs. the Performance {{!}} Operation Barbarrosa|url=http://www.operationbarbarossa.net/the-t-34-in-wwii-the-legend-vs-the-performance/#Conclusions%2520Regarding%20the%20T-34%E2%80%99s%20Overall%20Performance%20as%20a%20%E2%80%98War%20Winner%E2%80%99|website=www.operationbarbarossa.net|accessdate=2015-12-16}}</ref> Replacing many [[light tank|light]] and [[medium tank]]s in [[Red Army]] service, it was the most-produced tank of the war, as well as the second most-produced tank of all time (after its successor, the [[T-54/T-55]] series).<ref name="ReferenceA">[[#Reference-Harrison-2002|Harrison 2002]]</ref> With 44,900 lost during the war, it also suffered the most tank losses ever.<ref name="Kirosheev 253">{{cite book|first=G. I.|last=Krivosheev |title=Soviet Casualties and Combat Losses|publisher=Greenhill|year=1997|isbn=978-1-85367-280-4|page=253}}</ref> Its development led directly to the T-54 and T-55 series of tanks, which in turn evolved into the later [[T-62]], [[T-72]], and [[T-90]] that form the armored core of many modern armies. T-34 variants were widely exported after World War II, and as recently as 2018 more than 130 were still in service.<ref name="IISS2010">{{cite book |last= International Institute for Strategic Studies (IISS) |title= The Military Balance 2010 |year= 2010 |publisher= IISS |location=London |isbn= 978-1-85743-557-3
Replacing many [[light tank|light]] and medium tanks in [[Red Army]] service, it was the most-produced tank of the war, as well as the second most-produced tank of all time (after its successor, the [[T-54/T-55]] series).<ref name="ReferenceA">[[#Reference-Harrison-2002|Harrison 2002]]</ref> With 44,900 lost or damaged during the war, it also suffered the most tank losses ever.<ref name="Kirosheev 253">{{cite book|first=G. I.|last=Krivosheev |title=Soviet Casualties and Combat Losses|publisher=Greenhill|year=1997|isbn=978-1-85367-280-4|page=253}}</ref> Its development led directly to the [[T-44]], then the [[T-54/T-55|T-54 and T-55 series]] of tanks, which in turn evolved into the later [[T-62]], that form the armoured core of many modern armies. T-34 variants were widely exported after World War II, and as recently as 2023 more than 80 were still in service.{{sfn|IISS|2023|pages=456, 458, 299}}
}}
</ref>


==Development and production==
==Development and production==
===Origins===
===Origins===
In 1939, the most numerous [[Tanks in the Soviet Union|Soviet tank]] models were the [[T-26]] [[infantry tank]] and the [[BT tank|BT series]] of fast tanks. The T-26 was slow-moving, designed to keep pace with infantry on the ground. The BT tanks were [[cavalry tank]]s: fast-moving and light, designed for maneuver warfare. Both were Soviet developments of foreign designs from the early 1930s; the T-26 was based on the British [[Vickers 6-Ton]], and the BT tanks were based on a design from American engineer [[J. Walter Christie]].<ref>Sale, Richard. [http://turcopolier.typepad.com/the_athenaeum/2013/01/the-soviet-command-economy-by-richard-sale.html "The Soviet Command Economy,"]:5</ref>
In 1939, the most numerous [[Tanks in the Soviet Union|Soviet tank]] models were the [[T-26]] [[infantry tank]] and the [[BT tank|BT series]] of fast tanks. The T-26 was slow-moving, designed to keep pace with infantry on the ground. The BT tanks were [[cavalry tank]]s: fast-moving and light, designed for [[Maneuver warfare|manoeuver warfare]]. Both were Soviet developments of foreign designs from the early 1930s: the T-26 was based on the British [[Vickers 6-Ton]], and the BT tanks were based on a design from American engineer [[J. Walter Christie]].<ref>{{citation |last=Sale |first=Richard |url=http://turcopolier.typepad.com/the_athenaeum/2013/01/the-soviet-command-economy-by-richard-sale.html |title=America and Britain and a note on the Soviet Command Economy |date=23 January 2013 |work=The Athenaeum |page=5 |access-date=24 January 2013 |archive-date=25 May 2020 |archive-url=https://web.archive.org/web/20200525141344/http://turcopolier.typepad.com/the_athenaeum/2013/01/the-soviet-command-economy-by-richard-sale.html |url-status=live }}</ref>


[[File:T-34 prototypes.jpg|thumb|BT-7, A-20, T-34 (model 1940), and T-34 (model 1941)]]
[[File:T-34 prototypes.jpg|thumb|[[BT-7]], A-20, T-34 (model 1940), and T-34 (model 1941)]]


In 1937, the [[Red Army]] had assigned engineer [[Mikhail Koshkin]] to lead a new team to design a replacement for the BT tanks at the [[Malyshev Factory|Kharkov Komintern Locomotive Plant]] (KhPZ). The [[prototype]] tank, designated A-20, was specified with {{cvt|20|mm|in|1}} of [[vehicle armour|armor]], a 45&nbsp;mm (1.77&nbsp;in) gun, and the new [[Diesel model V-2|Model V-2-34]] engine, using less-flammable diesel fuel in a [[V12 engine|V12]] configuration designed by [[Chelpan Konstantin Fyodorovich|Konstantin Chelpan]]. It also had an 8×6-wheel convertible drive similar to the BT tank's 8×2, which allowed it to run on wheels without [[caterpillar track]]s.<ref>[[#Reference-Zheltov-1999|Zheltov 1999]]</ref> This feature had greatly saved on maintenance and repair of the unreliable tank tracks of the early 1930s, and allowed tanks to exceed {{convert|85|km/h}} on roads, but gave no advantage in combat and its complexity made it difficult to maintain. By 1937–38, track design had improved and the designers considered it a waste of space, weight, and maintenance resources, despite the road speed advantage.<ref>[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:66, 111]]</ref> The A-20 also incorporated previous research (BT-IS and BT-SW-2 projects) into [[sloped armour|sloped armor]]: its all-round sloped armor plates were more likely to deflect rounds than perpendicular armor.<ref>Yaziv, D.; Chocron, S.; Anderson, Jr., C.E.; Grosch, D.J. "Oblique Penetration in Ceramic Targets". ''Proceedings of the 19th International Symposium on Ballistics IBS 2001'', Interlaken, Switzerland: 1257–64</ref>
In 1937, the [[Red Army]] had assigned engineer [[Mikhail Koshkin]] to lead a new team to design a replacement for the BT tanks at the [[Malyshev Factory|Kharkiv Komintern Locomotive Plant]] (KhPZ). The [[prototype]] tank, designated A-20, had a modified [[BA-20]] engine and was specified with {{cvt|20|mm|in|1}} of [[vehicle armour|armour]], a 45&nbsp;mm (1.77&nbsp;in) gun, the production model used a [[Kharkiv model V-2|Model V-2-34]] engine, a less-flammable diesel fuel in a [[V12 engine|V12]] configuration designed by [[Chelpan Konstantin Fyodorovich|Konstantin Chelpan]]. It also had an 8×6-wheel convertible drive similar to the BT tank's 8×2, which allowed it to run on wheels without [[caterpillar track]]s.<ref>{{harvnb|Zheltov|Pavlov |Pavlov| 1999|p=}}</ref>{{page needed|date=August 2022}} This feature had greatly saved on maintenance and repair of the unreliable tank tracks of the early 1930s, and allowed tanks to exceed {{convert|85|km/h}} on roads, but gave no advantage in combat and its complexity made it difficult to maintain. By 1937–38, track design had improved and the designers considered it a waste of space, weight, and maintenance resources, despite the road speed advantage.<ref>{{harvnb|Zaloga|Grandsen|1984|pp=66, 111}}</ref> The A-20 also incorporated previous research (BT-IS and BT-SW-2 projects) into [[sloped armour]]: its all-round sloped armour plates were more likely to deflect rounds than perpendicular armour.<ref>Yaziv, D.; Chocron, S.; Anderson, Jr., C.E.; Grosch, D.J. "Oblique Penetration in Ceramic Targets". ''Proceedings of the 19th International Symposium on Ballistics IBS 2001'', Interlaken, Switzerland: 1257–64</ref>


During the [[Battle of Lake Khasan]] in July 1938 and the [[Battles of Khalkhin Gol]] in 1939, an undeclared border war with [[Japan]] on the frontier with occupied [[Manchuria]], the Soviets deployed numerous tanks against the [[Imperial Japanese Army]] (IJA). Although the IJA [[Type 95 Ha-Go]] light tanks had [[diesel engine]]s,<ref>{{harvnb|Zaloga|2007|pp=}}</ref> the Red Army's T-26 and BT tanks used petrol engines which, while common in tank designs of the time, often burst into flames when hit by IJA tank-killer teams<ref>[[#Reference-Coox|Coox 1990:311]]</ref> using [[Molotov cocktail]]s. Poor quality welds in the Soviet armor plates left small gaps between them, and flaming petrol from the Molotov cocktails easily seeped into the fighting and engine compartment; portions of the armor plating that had been assembled with [[rivet]]s also proved to be vulnerable.<ref>[[#Reference-Coox|Coox 1990:309]]</ref> The Soviet tanks were also easily destroyed by the Japanese Type 95 tank's 37&nbsp;mm gunfire, despite the low velocity of that gun,<ref>[[#Reference-Coox|Coox 1990:437, 993]]</ref> or "at any other slightest provocation".<ref>[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:111]]</ref> The use of riveted armor led to a problem whereby the impact of enemy shells, even if they failed to disable the tank or kill the crew on their own, would cause the rivets to break off and become projectiles inside the tank.
During the [[Battle of Lake Khasan]] in July 1938 and the [[Battles of Khalkhin Gol]] in 1939, an undeclared border war with [[Japan]] on the frontier with occupied [[Manchuria]], the Soviets deployed numerous tanks against the [[Imperial Japanese Army]] (IJA). Although the IJA [[Type 95 Ha-Go|Type 95 ''Ha''-''Go'']] light tanks had [[diesel engine]]s,<ref>{{harvnb|Zaloga|2007|p=}}</ref>{{page needed|date=April 2021}} the Red Army's T-26 and BT tanks used petrol engines which, while common in tank designs of the time, often burst into flames when hit by IJA tank-killer teams<ref>{{harvnb|Coox |1990|p=311}}</ref> using [[Molotov cocktail]]s. Poor-quality welds in the Soviet armour plates left small gaps between them, and flaming petrol from the Molotov cocktails easily seeped into the fighting and engine compartment; portions of the armour plating that had been assembled with [[rivet]]s also proved to be vulnerable.<ref>{{harvnb|Coox| 1990|p=309}}</ref> The Soviet tanks were also easily destroyed by the Japanese Type 95 tank's 37&nbsp;mm gunfire, despite the low velocity of that gun,<ref>{{harvnb|Coox| 1990|pp=437, 993}}</ref> or "at any other slightest provocation".<ref>{{harvnb|Zaloga|Grandsen|1984|p=111}}</ref> The use of riveted armour led to a problem whereby the impact of enemy shells, even if they failed to disable the tank or kill the crew on their own, would cause the rivets to break off and become projectiles inside the tank.


[[File:Medium tank A-32.jpg|thumbnail|Medium tank A-32]]
[[File:Medium tank A-32.jpg|thumbnail|Medium tank A-32]]
After these battles, Koshkin convinced Soviet leader [[Joseph Stalin]] to let him develop a second prototype, a more heavily armed and armored "universal tank" that reflected the lessons learned and could replace both the T-26 and the BT tanks. Koshkin named the second prototype A-32, after its {{cvt|32|mm|in|1}} of frontal armor. It had an L-10 76.2&nbsp;mm (3&nbsp;in) gun, and the same Model V-2-34 diesel.<ref name="ReferenceC"/> Both were tested in [[quality control|field trials]] at [[Kubinka]] in 1939, with the heavier A-32 proving to be as mobile as the A-20. A still heavier version of the A-32, with 45&nbsp;mm (1.77&nbsp;in) of frontal armor, wider tracks, and a newer L-11 76.2&nbsp;mm gun, was approved for production as the T-34. Koshkin chose the name after the year 1934, when he began to formulate his ideas about the new tank, and to commemorate that year's decree expanding the armored force and appointing [[Sergo Ordzhonikidze]] to head tank production.<ref name="ReferenceB">[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:6]]</ref>
After these battles, Koshkin convinced Soviet leader [[Joseph Stalin]] to let him develop a second prototype, a more heavily armed and armoured "universal tank" that reflected the lessons learned and could replace both the T-26 and the BT tanks. Koshkin named the second prototype A-32, after its {{cvt|32|mm|in|1}} of frontal armour. It had an L-10 76.2&nbsp;mm (3&nbsp;in) gun, and the same Model V-2-34 diesel.<ref name="ReferenceC"/> Both were tested in [[quality control|field trials]] at [[Kubinka]] in 1939, with the heavier A-32 proving to be as mobile as the A-20. A still heavier version of the A-32, with 45&nbsp;mm (1.77&nbsp;in) of front armour, wider tracks, and a newer L-11 76.2&nbsp;mm gun, was approved for production as the T-34. Koshkin chose the name after the year 1934, when he began to formulate his ideas about the new tank, and to commemorate that year's decree expanding the armoured force and appointing [[Sergo Ordzhonikidze]] to head tank production.<ref name="ReferenceB">{{harvnb|Zaloga |1994|p=6}}</ref>


Valuable lessons from Lake Khasan and Khalkhin Gol regarding armor protection, mobility, quality welding, and main guns were incorporated into the new T-34 tank, which represented a substantial improvement over the BT and T-26 tanks in all four areas.<ref>[[#Reference-Coox|Coox 1990:998]]</ref> Koshkin's team completed two prototype T-34s in January 1940. In April and May, they underwent a grueling {{convert|2000|km|adj=on}} drive from [[Kharkov]] to [[Moscow]] for a demonstration for the [[Moscow Kremlin|Kremlin]] leaders, to the [[Mannerheim Line]] in [[Finland]], and back to Kharkov via [[Minsk]] and [[Kyiv]].<ref name="ReferenceB" /> Some [[powertrain|drivetrain]] shortcomings were identified and corrected.<ref>[[#Reference-Zaloga-1983|Zaloga & Grandsen 1983:6]]</ref>
Valuable lessons from Lake Khasan and Khalkhin Gol regarding armour protection, mobility, quality welding, and main guns were incorporated into the new T-34 tank, which represented a substantial improvement over the BT and T-26 tanks in all four areas.<ref>{{harnvb|Coox| 1990|p=998}}</ref> Koshkin's team completed two prototype T-34s in January 1940. In April and May, they underwent a grueling {{convert|2000|km|adj=on}} drive from [[Kharkiv]] to [[Moscow]] for a demonstration for the [[Moscow Kremlin|Kremlin]] leaders, to the [[Mannerheim Line]] in [[Finland]], and back to Kharkiv via [[Minsk]] and [[Kiev]].<ref name="ReferenceB" /> Some [[powertrain|drivetrain]] shortcomings were identified and corrected.<ref>{{harvnb|Zaloga|Grandsen|1983|p=6}}</ref>


===Initial production{{Anchor|Establishing and maintaining production|Production history}}===
===Initial production<span class="anchor" id="Establishing and maintaining production"></span><span class="anchor" id="Production history"></span>===
[[File:T-34 Model 1940.jpg|thumb|left|Pre-production prototype A-34 with a complex single-piece hull front.]]
[[File:T-34 Model 1940.jpg|thumb|left|Pre-production prototype A-34 with a complex single-piece hull front.]]


Resistance from the military command and concerns about high production cost were finally overcome by anxieties about the poor performance of Soviet tanks in the [[Winter War]] in Finland, and the effectiveness of German tanks during the [[Battle of France]]. The first production T-34s were completed in September 1940, completely replacing the production of the T-26, the BT series and the multi-turreted [[T-28 (medium tank)|T-28]] medium tank at the KhPZ plant.<ref>[[#CITEREFZaloga1994|Zaloga 1994:4]]</ref> Koshkin died of [[pneumonia]] (exacerbated by the drive from Kharkiv to Moscow) at the end of that month, and the T-34's drivetrain developer, [[Alexander Alexandrovich Morozov|Alexander Morozov]], was appointed Chief Designer.<ref name="Zaloga-1984-130">{{harvnb|Zaloga|Grandsen|1984|p=130}}</ref>
Political pressure came from conservative elements in the army to redirect resources into building the older T-26 and BT tanks, or to cancel T-34 production pending completion of the more advanced [[T-34 variants#Tanks|T-34M]] design. This pressure was brought to bear by the developer of the [[Kliment Voroshilov tank|KV-1]] tank which was in competition with the T-34.{{Citation needed|date=September 2019}}


The T-34 posed new challenges for the Soviet industry. It had heavier armour than any medium tank produced to date, and there were problems with defective armour plates.<ref name="Zaloga1983p6">{{harvnb|Zaloga|Grandsen|1983|p=6}}</ref> Only company commanders' tanks could be fitted with radios (originally the 71-TK-3 radio set), due to their expense and short supply – the rest of the tank crews in each company signalled with flags.<ref name="Zaloga-1983-14" /> The L-11 gun did not live up to expectations, so the [[Vasiliy Grabin|Grabin]] Design Bureau at [[Gorky Factory No. 92|Gorky Factory N.92]] designed the superior [[76 mm tank gun M1940 F-34|76.2&nbsp;mm F-34 gun]].{{efn|see [[designations of Soviet artillery]] for explanation of naming convention}} No bureaucrat would approve production of the new gun, but Gorky and KhPZ started producing it anyway; official permission came from the [[USSR State Defense Committee|State Defense Committee]] only after troops praised the weapon's performance in combat against the Germans.<ref name="Zaloga-1984-130" />
Resistance from the military command and concerns about high production cost were finally overcome by anxieties about the poor performance of Soviet tanks in the [[Winter War]] in Finland, and the effectiveness of German tanks during the [[Battle of France]]. The first production T-34s were completed in September 1940, completely replacing the production of the T-26, the BT series and the multi-turreted [[T-28]] medium tank at the KhPZ plant.<ref>[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:4]]</ref> Koshkin died of pneumonia (exacerbated by the drive from Kharkov to Moscow) at the end of that month, and the T-34's drivetrain developer, [[Alexander Alexandrovich Morozov|Alexander Morozov]], was appointed Chief Designer.<ref name="Zaloga-1984-130">[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:130]]</ref>


Production of this first T-34 series – the Model 1940 – totalled only about 400,<ref name="RussianBattlefield2000">''The Russian Battlefield'' [[#Reference-Russian Battlefield-2000|2000]]</ref> before production was switched to the Model 1941, with the F-34 gun, 9-RS radio set (also installed on the [[SU-100]]), and even thicker armour.<ref>{{harvnb|Zaloga|Grandsen|1983| p=14}}, {{harvnb|Zaloga|Grandsen|1984|pp=113, 184}}, [[#Reference-Harrison-2002|Harrison (2002:181)]], [[#Reference-KMDB-2006|KMDB (2006)]].</ref>
The T-34 posed new challenges for the Soviet industry. It had heavier armor than any medium tank produced to date, and there were problems with defective armor plates.<ref name="auto">[[#Reference-Zaloga-1983|Zaloga 1983:6]]</ref> Only company commanders' tanks could be fitted with radios (originally the 71-TK-3 radio set), due to their expense and short supply – the rest of the tank crews in each company signaled with flags.<ref name="Zaloga-1983-14" /> The L-11 gun did not live up to expectations, so the [[Vasiliy Grabin|Grabin]] Design Bureau at [[Gorky Factory No. 92|Gorky Factory N.92]] designed the superior [[F-34 tank gun|F-34 76.2&nbsp;mm gun]] (see [[Designations of Soviet artillery]]). No bureaucrat would approve production of the new gun, but Gorky and KhPZ started producing it anyway; official permission came from the [[USSR State Defense Committee|State Defense Committee]] only after troops praised the weapon's performance in combat against the Germans.<ref name="Zaloga-1984-130" />

Production of this first T-34 series – the Model 1940 – totalled only about 400,<ref name=":0">''The Russian Battlefield'' [[#Reference-Russian Battlefield-2000|2000]]</ref> before production was switched to the Model 1941, with the F-34 gun, 9-RS radio set (also installed on the [[SU-100]]), and even thicker armor.<ref>[[#Reference-Zaloga-1983|Zaloga (1983:14)]], [[#Reference-Zaloga-1984|Zaloga & Grandsen (1984:113, 184)]], [[#Reference-Harrison-2002|Harrison (2002:181)]], [[#Reference-KMDB-2006|KMDB (2006)]].</ref>


===Mass production===
===Mass production===
[[File:RIAN archive 1274 Tanks going to the front.jpg|thumb|left|T-34 tanks headed to the front.]]
[[File:RIAN archive 1274 Tanks going to the front.jpg|thumb|left|T-34 tanks headed to the front.]]
Subassemblies for the T-34 originated at several plants: Kharkov Diesel Factory N.75 supplied the model V-2-34 engine, Leningrad [[Kirovsky Factory]] (formerly the Putilov works) made the original L-11 gun, and the Dinamo Factory in Moscow produced electrical components. Tanks were initially built at KhPZ N.183, in early 1941 at the [[Stalingrad Tractor Factory]] (STZ), and starting in July at [[Krasnoye Sormovo Factory No. 112|Krasnoye Sormovo Factory N.112]] in [[Nizhny Novgorod|Gorky]].<ref name="auto" /><ref name="Gasoline-variant" group="notes">Due to a shortage of new Model V-2-34 diesel engines and a need to produce as many T-34s as possible, the initial production run from the Gorky factory were equipped with the BT tank's [[Mikulin M-17]] gasoline aircraft engine, and inferior [[transmission (mechanics)|transmission]] and [[clutch]]. [[#Reference-Zheltov-2001|(Zheltov 2001:40–42)]]</ref>
Subassemblies for the T-34 originated at several plants: Kharkiv Diesel Factory N.75 supplied the model V-2-34 engine, Leningrad [[Kirovsky Factory]] (formerly the Putilov works) made the original L-11 gun, and the Dinamo Factory in Moscow produced electrical components. Tanks were initially built at Plant N.183, in early 1941 at the [[Stalingrad Tractor Factory]] (STZ), and starting in July at [[Krasnoye Sormovo Factory No. 112|Krasnoye Sormovo Factory N.112]] in [[Nizhny Novgorod|Gorky]].<ref name="Zaloga1983p6" />{{efn|Due to a shortage of new Model V-2-34 diesel engines and a need to produce as many T-34s as possible, the initial production run from the Gorky factory were equipped with the BT tank's [[Mikulin M-17]] petrol aircraft engine, and inferior [[transmission (mechanics)|transmission]] and [[clutch]]. {{sfn|Zheltov|Pavlov|Pavlov|2001|p=40–42}} }}


{| class="wikitable sortable" style="text-align:right; float:right; margin: 1em auto 1em 1em;"
{| class="wikitable sortable floatright" style="text-align:right;"
|-
|+Total Soviet tank production<ref name=sk>{{cite book|title=Stalin's Keys to Victory: The Rebirth of the Red Army|year=2007|publisher=Stackpole Books|location=Mechanicsburg, PA|isbn=978-0-8117-3423-3|url=https://books.google.com/books?id=JE7Yd2sNBu4C&pg=PA34|first=Walter S. Jr.|last=Dunn|page=34|access-date=20 April 2021|archive-date=31 March 2023|archive-url=https://web.archive.org/web/20230331150852/https://books.google.com/books?id=JE7Yd2sNBu4C&pg=PA34|url-status=live}}</ref>
|-
|-
! Type !! Number
! Type !! Production<br />(June 1941 –<br /> May 1945)<ref name=sk>{{cite book|title=Stalin's Keys to Victory: The Rebirth of the Red Army|year=2007|publisher=Stackpole Books |location=Mechanicsburg, PA|isbn=978-0-8117-3423-3|url=https://books.google.com/books?id=JE7Yd2sNBu4C&q=%22T-34%22&pg=PA34 |author=Walter S. Dunn, Jr}}</ref>
|-
|-
| Light tanks || 14,508
| Light tanks || 14,508
Line 108: Line 106:
|}
|}


After [[Nazi Germany|Germany's]] surprise invasion of the Soviet Union on 22 June 1941 ([[Operation Barbarossa]]), the [[Wehrmacht]]'s rapid advances forced the evacuation and relocation of Soviet tank factories eastwards to the [[Ural Mountains]], an undertaking of immense scale and haste that presented enormous logistic difficulties and was extremely punishing to the workers involved. Alexander Morozov personally supervised the evacuation of all skilled engineers and laborers, machinery and stock from KhPZ to re-establish the factory at the site of the [[Uralvagonzavod|Dzerzhinsky Ural Railcar Factory]] in [[Nizhny Tagil]], renamed Stalin Ural Tank Factory N.183.<ref name="auto1">[[#Reference-Zaloga-1983|Zaloga & Grandsen 1983:17]]</ref> The Kirovsky Factory, evacuated just weeks before the Germans surrounded Leningrad, moved with the Kharkov Diesel Factory to the [[Chelyabinsk Tractor Plant|Stalin Tractor Factory]] in [[Chelyabinsk]], soon to be nicknamed ''Tankograd'' ("Tank City"). The workers and machinery from Leningrad's Voroshilov Tank Factory N.174 were incorporated into the Ural Factory and the new Omsk Factory N.174. The [[Uralmash|Ordzhonikidze Ural Heavy Machine Tool Works]] (UZTM) in [[Yekaterinburg|Sverdlovsk]] absorbed workers and machines from several small machine shops in the path of German forces.
After [[Nazi Germany|Germany's]] surprise invasion of the Soviet Union on 22 June 1941 ([[Operation Barbarossa]]), the [[Wehrmacht]]'s rapid advances forced the evacuation and relocation of Soviet tank factories eastwards to the [[Ural Mountains]], an undertaking of immense scale and haste that presented enormous logistic difficulties and was extremely punishing to the workers involved. Alexander Morozov personally supervised the evacuation of all skilled engineers and laborers, machinery and stock from KhPZ to re-establish the factory at the site of the [[Uralvagonzavod|Dzerzhinsky Ural Railcar Factory]] in [[Nizhny Tagil]], renamed Stalin Ural Tank Factory N.183.<ref>{{harvnb|Zaloga|Grandsen|1983| p=17}}</ref> The Kirovsky Factory, evacuated just weeks before the Germans surrounded Leningrad, moved with the Kharkiv Diesel Factory to the [[Chelyabinsk Tractor Plant|Stalin Tractor Factory]] in [[Chelyabinsk]], soon to be nicknamed ''Tankograd'' ("Tank City"). The workers and machinery from Leningrad's Voroshilov Tank Factory N.174 were incorporated into the Ural Factory and the new Omsk Factory N.174. The [[Uralmash|Ordzhonikidze Ural Heavy Machine Tool Works]] (UZTM) in [[Yekaterinburg|Sverdlovsk]] absorbed workers and machines from several small machine shops in the path of German forces.


While these factories were being rapidly moved, the industrial complex surrounding the [[Volgograd Tractor Factory|Dzerzhinsky Tractor Factory]] in Stalingrad continued to work double shifts throughout the period of withdrawal (September 1941 to September 1942) to make up for production lost, and produced 40% of all T-34s during the period.<ref>[[#Reference-Zaloga-1983|Zaloga & Grandsen 1983:13]]</ref> As the factory became surrounded by heavy fighting in the [[Battle of Stalingrad]] in 1942, the situation there grew desperate: manufacturing innovations were necessitated by material shortages, and stories persist of unpainted T-34 tanks driven out of the factory directly to the battlefields around it.<ref>[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:23]]</ref> Stalingrad kept up production until September 1942.
While these factories were being rapidly moved, the industrial complex surrounding the [[Volgograd Tractor Factory|Dzerzhinsky Tractor Factory]] in Stalingrad continued to work double shifts throughout the period of withdrawal (September 1941 to September 1942) to make up for production lost, and produced 40% of all T-34s during the period.<ref>{{harvnb|Zaloga | Grandsen |1983| p=13}}</ref> As the factory became surrounded by heavy fighting in the [[Battle of Stalingrad]] in 1942, the situation there grew desperate: manufacturing innovations were necessitated by material shortages, and stories persist of unpainted T-34 tanks driven out of the factory directly to the battlefields around it.<ref>{{harvnb|Zaloga |1994|p=23}}</ref> Stalingrad kept up production until September 1942.


Soviet designers were aware of design deficiencies in the tank, but most of the desired remedies would have slowed tank production and so were not implemented: the only changes allowed on the production lines through to 1944 were those to make production simpler and cheaper. New methods were developed for automated [[welding]] and [[hardening (metallurgy)|hardening]] the armor plate, including innovations by Prof. [[Evgeny Paton]].<ref>"[https://archive.is/20120905165316/http://www.paton.kiev.ua/eng/inst/person/patoneo.html Paton Evgeny Oscarovich]", at the E.O. Paton Electric Welding Institute. Retrieved November 17, 2008.</ref> The design of the 76.2&nbsp;mm [[F-34 gun Model 1941]] was reduced from an initial 861 parts to 614.<ref name="Zaloga-1984-131">[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:131]]</ref> The initial narrow, cramped turrets, both the cast one and the one welded of rolled armor plates bent to shape, were since 1942 gradually replaced with the somewhat less cramped hexagonal one; as it was mostly cast with only a few, simple flat armor plates welded in (roof etc.), this turret was actually faster to produce. Limited [[rubber]] supplies led to the adoption of all-steel, internally sprung road wheels, and a new clutch was added to an improved five-speed transmission and engine, improving reliability.<ref name="auto2">[[#Reference-Zaloga-1983|Zaloga & Grandsen 1983:18]]</ref>
Soviet designers were aware of design deficiencies in the tank, but most of the desired remedies would have slowed tank production and so were not implemented: the only changes allowed on the production lines through to 1944 were those to make production simpler and cheaper. New methods were developed for automated [[welding]] and [[hardening (metallurgy)|hardening]] the armour plate, including innovations by Prof. [[Evgeny Paton]].<ref>"[https://archive.today/20120905165316/http://www.paton.kiev.ua/eng/inst/person/patoneo.html Paton Evgeny Oscarovich]", at the E.O. Paton Electric Welding Institute. Retrieved 17 November 2008.</ref> The design of the 76.2&nbsp;mm [[F-34 gun Model 1941]] was reduced from an initial 861 parts to 614.<ref name="Zaloga-1984-131">{{harvnb|Zaloga|Grandsen|1984|p=131}}</ref> The initial narrow, cramped turrets, both the cast one and the one welded of rolled armour plates bent to shape, were since 1942 gradually replaced with the somewhat less cramped hexagonal one; as it was mostly cast with only a few, simple flat armour plates welded in (roof etc.), this turret was actually faster to produce. Limited [[rubber]] supplies led to the adoption of all-steel, internally sprung road wheels, and a new clutch was added to an improved five-speed transmission and engine, improving reliability.<ref name="auto2">{{harvnb|Zaloga|Grandsen|1983|p=18}}</ref>


[[File:T-34-76 RB8.JPG|thumb|left|Polish T-34 Model 1942 in [[Poznań]], Poland. The model 1942's hexagonal turret distinguishes it from earlier models.]]
[[File:T-34-76 RB8.JPG|thumb|left|Polish T-34 Model 1942 in [[Poznań]], Poland. The model 1942's hexagonal turret distinguishes it from earlier models.]]


Over two years, the unit production cost of the T-34 was reduced from 269,500 [[Soviet ruble|rubles]] in 1941, to 193,000, and then to 135,000.<ref name="Zaloga-1984-131"/>
Over two years, the unit production cost of the T-34 was reduced from 269,500&nbsp;[[Soviet rouble|Rbls]] in 1941, to 193,000&nbsp;Rbls, and then to 135,000&nbsp;Rbls.<ref name="Zaloga-1984-131"/>


In 1943, T-34 production had reached an average of 1,300 per month; this was the equivalent of three full-strength [[Panzer Divisions|Panzer divisions]].<ref>Zaloga 1984:225</ref> By the end of 1945, over 57,300 T-34s had been built: 34,780 T-34 tanks in multiple variants with 76.2&nbsp;mm guns in 1940–44,{{Citation needed|date=July 2013}} and another 22,609 of the revised T-34-85 model in 1944–45.<ref name="auto3">''The Russian Battlefield'' [[#Reference-Russian Battlefield-2003|2003]]</ref> The single largest producer was Factory N.183 (UTZ), building 28,952 T-34s and T-34-85s from 1941 to 1945. The second-largest was [[Krasnoye Sormovo Factory]] N.112 in Gorky, with 12,604 in the same period.<ref>[[T-34#References|Michulec & Zientarzewski 2006:220]]</ref>
In 1943, T-34 production had reached an average of 1,300 per month; this was the equivalent of three full-strength [[Division (military)#Armored division|tank divisions]].<ref>Zaloga 1984:225</ref> By the end of 1945, over 57,300 T-34s had been built: 34,780 T-34 tanks in multiple variants with 76.2&nbsp;mm guns in 1940–44,{{Citation needed|date=July 2013}} and another 22,609 of the revised T-34-85 model in 1944–45.<ref name="auto3">''The Russian Battlefield'' [[#Reference-Russian Battlefield-2003|2003]]</ref> The single largest producer was Factory N.183 (UTZ), building 28,952 T-34s and T-34-85s from 1941 to 1945. The second-largest was [[Krasnoye Sormovo Factory]] N.112 in Gorky, with 12,604 in the same period.<ref>{{harvnb|Michulec| Zientarzewski| 2006|p=220}}</ref>


At the start of the German-Soviet war, T-34s comprised about four percent of the Soviet tank arsenal, but by the end it made up at least 55% of tank production (based on figures from;<ref>Zaloga 1984:125–6, 225</ref> [[#Reference-Zheltov-2001|Zheltov 2001]] lists even larger numbers).
At the start of the German-Soviet war, T-34s comprised about four percent of the Soviet tank arsenal, but by the end it made up at least 55% of tank production (based on figures from;<ref>Zaloga 1984:125–6, 225</ref> Zheltov lists even larger numbers<ref>{{harvnb|Zheltov|Pavlov|Pavlov|2001|p=}}</ref>{{page needed|date=August 2022}}


Following the end of the war, a further 2,701 T-34s were built prior to the end of Soviet production. Under licence, production was restarted in [[People's Republic of Poland|Poland]] (1951–55) and [[Czechoslovakia]] (1951–58), where 1,380 and 3,185 T-34-85s were made, respectively, by 1956.<ref>Drachkovitch, Milorad M. (ed.) ''East Central Europe: Yesterday, Today, Tomorrow.'' Hoover Press 1982:150.</ref> Altogether, as many as 84,070 T-34s are thought to have been built, plus 13,170 self-propelled guns built on T-34 chassis.<ref>[[#Reference-Zaloga-1996|Zaloga & Grandsen 1996:18]]</ref> It was the most-produced tank of the Second World War, and the second most-produced tank of all time, after its successor, the [[T-54/55]] series.<ref name="ReferenceA" />
Following the end of the war, a further 2,701 T-34s were built prior to the end of Soviet production. Under licence, production was restarted in [[People's Republic of Poland|Poland]] (1951–55) and [[Czechoslovakia]] (1951–58), where 1,380 and 3,185 T-34-85s were made, respectively, by 1956.<ref>Drachkovitch, Milorad M. (ed.) ''East Central Europe: Yesterday, Today, Tomorrow.'' Hoover Press 1982:150.</ref> Altogether, as many as 84,070 T-34s are thought to have been built, plus 13,170 self-propelled guns built on T-34 chassis.<ref name="Zaloga-1996-18"/> It was the most-produced tank of the Second World War, and the second most-produced tank of all time, after its successor, the [[T-54/55]] series.<ref name="ReferenceA" />


=={{anchor|Design}} Design==
==<span class="anchor" id="Design"></span> Design==
===Overview===
===Overview===
The T-34 had well-sloped armour, a relatively powerful engine and wide tracks.<ref name="Zaloga-1983-14" /> The initial T-34 version had a powerful 76.2&nbsp;mm gun, and is often called the T-34/76 (originally a World War II German designation, never used by the Red Army). In 1944, a second major version began production, the T-34-85, with a larger 85&nbsp;mm gun intended to deal with newer German tanks.<ref name="Zaloga-1983-14">{{harvnb|Zaloga | Grandsen |1983| p=14}}</ref>
[[File:T-34-85-Interior.jpg|thumb|300px|Interior view of T-34-85.]]
The T-34 had well-sloped armor, a relatively powerful engine and wide tracks.<ref name="Zaloga-1983-14" /> The initial T-34 version had a powerful 76.2&nbsp;mm gun, and is often called the T-34/76 (originally a World War II German designation, never used by the Red Army). In 1944, a second major version began production, the T-34-85, with a larger 85&nbsp;mm gun intended to deal with newer German tanks.<ref name="Zaloga-1983-14">[[#Reference-Zaloga-1983|Zaloga & Grandsen 1983:14]]</ref>


Comparisons can be drawn between the T-34 and the U.S. [[M4 Sherman]] tank. Both tanks were the backbone of the armored units in their respective armies, both nations distributed these tanks to their allies, who also used them as the mainstay of their own armored formations, and both were upgraded extensively and fitted with more powerful guns. Both were designed for mobility and ease of manufacture and maintenance, sacrificing some performance for these goals. Both chassis were used as the foundation for a variety of support vehicles, such as armour recovery vehicles, [[tank destroyer]]s, and self-propelled artillery. Both were an approximately even match for the standard German medium tank, the [[Panzer IV]], though each of these three tanks had particular advantages and weaknesses compared with the other two. Neither the T-34 nor the M4 was a match for Germany's heavier tanks, the [[Panther tank|Panther]] (technically a medium tank) or the [[Tiger I]]; the Soviets used the [[IS-2 heavy tank]] and the U.S. used the [[M26 Pershing]] as the heavy tanks of their forces instead.<ref>Zaloga & Grandsen 1983:37</ref>
Comparisons can be drawn between the T-34 and the U.S. [[M4 Sherman]] tank. Both tanks were the backbone of the armoured units in their respective armies, both nations distributed these tanks to their allies, who also used them as the mainstay of their own armoured formations, and both were upgraded extensively and fitted with more powerful guns. Both were designed for mobility and ease of manufacture and maintenance, sacrificing some performance for these goals. Both chassis were used as the foundation for a variety of support vehicles, such as armour recovery vehicles, [[tank destroyer]]s, and self-propelled artillery. Both were an approximately even match for the standard German medium tank, the [[Panzer IV]], though each of these three tanks had particular advantages and weaknesses compared with the other two. Neither the T-34 nor the M4 was a match for Germany's heavier tanks, the [[Panther tank|Panther]] (technically a medium tank) or the [[Tiger I]]; the Soviets used the [[IS-2 heavy tank]] and the U.S. used the [[M26 Pershing]] as the heavy tanks of their forces instead.<ref>Zaloga & Grandsen 1983:37</ref>


{| class="wikitable" summary="Characteristics and production cost of the main models of T-34, T-34-85 and T-44"
{| class="wikitable" summary="Characteristics and production cost of the main models of T-34, T-34-85 and T-44" style=text-align:center;
|+ Soviet medium tank models of World War II<ref name="Zaloga 2006">[[#Reference-Zaloga-1984|Zaloga & Grandsen (1984:113, 184)]], [[#Reference-Harrison-2002|Harrison (2002:181)]], [[#Reference-KMDB-2006|KMDB (2006)]].</ref>
|+ Soviet medium tank models of World War II<ref name="Zaloga 2006">{{harvnb|Zaloga | Grandsen |1984 |pp=113, 184}}, [[#Reference-Harrison-2002|Harrison (2002:181)]], [[#Reference-KMDB-2006|KMDB (2006)]].</ref>
|-
|-
! Model
! style=width:100px; | Model
! T-34 Model 1940
! style=width:13%; | T-34 Model 1940
! T-34 Model 1941
! style=width:13%; | T-34 Model 1941
! T-34 Model 1942
! style=width:13%; | T-34 Model 1942
! T-34 Model 1943
! style=width:13%; | T-34 Model 1943
! [[T-43 medium tank|T-43]] prototype
! style=width:13%; | [[T-43 medium tank|T-43]] prototype
! T-34-85
! style=width:13%; | T-34-85
! [[T-44]]
! style=width:13%; | [[T-44]]
|-
|-
! Weight
! Weight
| {{cvt|26|tonne}}
| {{convert|26|tonne|abbr=on|disp=br()}}
| {{cvt|26.5|tonne}}
| {{convert|26.5|tonne|abbr=on|disp=br()}}
| {{cvt|28.5|tonne}}
| {{convert|28.5|tonne|abbr=on|disp=br()}}
| {{cvt|30.9|tonne}}
| {{convert|30.9|tonne|abbr=on|disp=br()}}
| {{cvt|34|tonne}}
| {{convert|34|tonne|abbr=on|disp=br()}}
| {{cvt|32|tonne}}
| {{convert|32|tonne|abbr=on|disp=br()}}
| {{cvt|31.9|tonne}}
| {{convert|31.9|tonne|abbr=on|disp=br()}}
|-
|-
! Gun
! Gun
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|-
|-
! Fuel (internal)
! Fuel (internal)
| {{cvt|460|litre}}
| colspan="2" | {{convert|460|litre|abbr=on|disp=br()}}
| {{convert|460|-|610|litre|abbr=on|disp=br()}} 610 L with additional fuel tanks
| {{cvt|460|litre}}
| {{convert|460|-|790|litre|abbr=on|disp=br()}} 790 L with additional fuel tanks
| {{cvt|460|litre}}
|
| {{cvt|610|litre}}
| {{convert|556|-|935|litre|abbr=on|disp=br()}} 935 L with additional fuel tanks
|
| {{convert|500-642|litre|abbr=on|disp=br()}} 642 L with additional fuel tanks
| {{cvt|545|litre}}
| {{cvt|500|litre}}
|-
|-
! Road range
! Road range
| colspan="3" | {{convert|330|km|abbr=on|disp=br()}}
| {{cvt|160-250|km}}
| {{cvt|160-250|km}}
| {{convert|330-450|km|abbr=on|disp=br()}}
| {{cvt|160-250|km}}
| {{convert|240|km|abbr=on|disp=br()}}
| {{cvt|330|km}}
| {{convert|300|-|485|km|abbr=on|disp=br()}}
| {{cvt|240|km}}
| {{convert|240-300|km|abbr=on|disp=br()}}
|-
| {{cvt|250-300|km}}
! Cross-country range
| {{cvt|250|km}}
| colspan="3" | {{convert|200|km|abbr=on|disp=br()}}
| {{convert|200-260|km|abbr=on|disp=br()}}
| {{convert|180|km|abbr=on|disp=br()}}
| {{convert|160|-|310|km|abbr=on|disp=br()}}
| {{convert|150-210|km|abbr=on|disp=br()}}
|-
|-
! Armor
! Armour
| {{cvt|15|-|45|mm}}
| {{convert|15|-|45|mm|abbr=on|disp=br()}}
| {{cvt|20|-|52|mm}}
| {{convert|20|-|52|mm|abbr=on|disp=br()}}
| {{cvt|20|-|65|mm}}
| {{convert|20|-|65|mm|abbr=on|disp=br()}}
| {{cvt|20|-|70|mm}}
| {{convert|20|-|70|mm|abbr=on|disp=br()}}
| {{cvt|16|-|90|mm}}
| {{convert|16|-|90|mm|abbr=on|disp=br()}}
| {{cvt|20|-|90|mm}}
| {{convert|20|-|90|mm|abbr=on|disp=br()}}
| {{cvt|15|-|120|mm}}
| {{convert|15|-|120|mm|abbr=on|disp=br()}}
|-
|-
! Cost
! Cost
|
|
| 270,000 rubles
| 270,000 Rbls
| 193,000 rubles
| 193,000 Rbls
| 135,000 rubles
| 135,000 Rbls
|
|
| 164,000 rubles
| 164,000 Rbls
|
|
|}
|}
Line 209: Line 210:
Dimensions, road speed and engine horsepower of the various models did not vary significantly, except for the T-43, which was slower than the T-34.
Dimensions, road speed and engine horsepower of the various models did not vary significantly, except for the T-43, which was slower than the T-34.


===Armor===
===Armour===
[[File:Two non-penetrating anti tank gun hits on a T-34.jpg|thumb|right|Non-penetrating hits to the turret armour of an early variant T-34.]]
The heavily [[sloped armour|sloped armor]] design made the tank better protected than the armor thickness alone would indicate. The shape also saved weight by reducing the thickness required to achieve equal protection. A few tanks also had [[appliqué armour|appliqué armor]] of varying thickness welded onto the hull and turret. Tanks thus modified were called ''s ekranami'' ({{lang-ru|с экранами}}, "with screens").<ref name="Zaloga-1983-14" />


The heavily [[sloped armour]] design made the tank better protected than the armour thickness alone would indicate. The shape also saved weight by reducing the thickness required to achieve equal protection. A few tanks also had [[appliqué armour]] of varying thickness welded onto the hull and turret. Tanks thus modified were called ''s ekranami'' ({{langx|ru|с экранами}}, "with screens").<ref name="Zaloga-1983-14" />
The USSR donated two combat-used Model 1941 T-34s to the United States for testing purposes in late 1942.<ref>{{Cite journal|last=Kavalerchik|first=Boris|date=March 2015|title=Once Again About the T-34|journal=The Journal of Slavic Military Studies|volume=28|pages=186–214|doi=10.1080/13518046.2015.998132|pmid=|s2cid=143620807}}</ref> The examinations, performed at the [[Aberdeen Proving Ground]], revealed problems with overall armor build quality, especially of the plate joins and welds, as well as the use of soft steel combined with shallow surface tempering. Leak issues were noted: "In a heavy rain lots of water flows through chinks/cracks, which leads to the disabling of the electrical equipment and even the ammunition".<ref name="Aberdeen" /> Earlier models of the T-34, until the Model 1942, had cast turrets whose armor was softer than that of the other parts of the tank, and offered poor resistance even to 37&nbsp;mm anti-aircraft shells.


The USSR donated two combat-used Model 1941 T-34s to the United States for testing purposes in late 1942.<ref>{{Cite journal|last=Kavalerchik|first=Boris|date=March 2015|title=Once Again About the T-34|journal=The Journal of Slavic Military Studies|volume=28|pages=186–214|doi=10.1080/13518046.2015.998132|s2cid=143620807}}</ref> The examinations, performed at the [[Aberdeen Proving Ground]], revealed problems with overall armour build quality, especially of the plate joins and welds, as well as the use of soft steel combined with shallow surface tempering. Leak issues were noted: "In a heavy rain lots of water flows through chinks/cracks, which leads to the disabling of the electrical equipment and even the ammunition".<ref name="Aberdeen" /> Earlier models of the T-34, until the Model 1942, had cast turrets whose armour was softer than that of the other parts of the tank, and offered poor resistance even to 37&nbsp;mm anti-aircraft shells. Early T-34s also suffered from poor quality welds, leading to instances of shells which would not have penetrated the tank under normal circumstances to penetrate anyway. They also suffered from rushed manufacturing, leading to inconsistent protection.<ref name=":2">{{Cite book |last=Defense Technical Information Center |url=http://archive.org/details/DTIC_AD0011426 |title=DTIC AD0011426: Review of Soviet Ordnance Metallurgy |date=16 April 1953 |language=english}}</ref>
In addition, close examination of the T-34 at the Aberdeen Testing Ground showed that a variety of alloys were used in different portions of the armor on the T-34. "Mn-Si-Mo steels were employed for the thinner rolled armor sections, Cr-Mo steels for the thicker rolled armor sections, Mn-Si-Ni-Cr-Mo steels were employed for both rolled and cast steel components from 2" to 5" in thickness, and Ni-Cr-Mo steels were employed for some of the moderately thick cast armor sections".<ref>{{Cite web|url = http://www.dtic.mil/dtic/tr/fulltext/u2/011426.pdf|title = Review of Soviet Ordnance Metallurgy by A. Hurlich|date = |accessdate = |website = |last = |first = }}</ref> The armor was heat-treated in order to prevent penetration by armor-piercing shells, but this also caused it to be structurally weak, resulting in strikes by high explosive shells causing [[spall]]ing.


In addition, close examination of the T-34 at the Aberdeen Testing Ground showed that a variety of alloys were used in different portions of the armour on the T-34. "[[Manganese|Mn]]-[[Silicon|Si]]-[[Molybdenum|Mo]] steels were employed for the thinner rolled armour sections, [[Chromium|Cr]]-Mo steels for the thicker rolled armour sections, Mn-Si-[[Nickel|Ni]]-Cr-Mo steels were employed for both rolled and cast steel components from 2" to 5" in thickness, and Ni-Cr-Mo steels were employed for some of the moderately thick cast armour sections".<ref>{{cite web|url = http://apps.dtic.mil/dtic/tr/fulltext/u2/011426.pdf|title = Review of Soviet Ordnance Metallurgy by A. Hurlich|url-status = dead|access-date = 6 September 2015|archive-date = 25 September 2015|archive-url = https://web.archive.org/web/20150925125059/http://www.dtic.mil/dtic/tr/fulltext/u2/011426.pdf}}</ref> The armour was heat-treated in order to prevent penetration by armour-piercing shells, but this also caused it to be structurally weak, as the armor was very hard and thus brittle, resulting in strikes by high explosive shells causing [[spall]]ing.<ref name=":2" />
Despite these deficiencies, the T-34's armor proved problematic for the Germans in the initial stages of the war on the Eastern Front. In one wartime account, a single T-34 came under heavy fire upon encountering one of the most common German anti-tank guns at that stage of the war: "Remarkably enough, one determined [[PaK 37mm|37&nbsp;mm gun]] crew reported firing 23 times against a single T-34 tank, only managing to jam the tank’s turret ring."<ref name="S. Zaloga 1994, p. 12">[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:12]]</ref> Similarly, a German report of May 1942 noted the ineffectiveness of their [[5 cm Pak 38|50&nbsp;mm gun]] as well, noting that "Combating the T-34 with the 5&nbsp;cm KwK tank gun is possible only at short ranges from the flank or rear, where it is important to achieve a hit as perpendicular to the surface as possible."<ref name=":0" /> However, a Military Commissariat Report of the 10th Tank Division, dated 2 August 1941 reported that within 300–400&nbsp;m the 37&nbsp;mm Pak 36's armor-piercing shot could defeat the frontal armor.<ref>{{cite web|url=http://marksrussianmilitaryhistory.info/10TD1941.html|title=Technical Report from the 10th Tank Division, August 1941|publisher=Mark Conrad, 1995|accessdate=2015-02-25}}</ref><ref>{{cite web|url=http://bdsa.ru/documents/html/donesaugust41/410801.html|title=Original Report: БОЕВОЙ ДЕЯТЕЛЬНОСТИ 10-й ТАНКОВОЙ ДИВИЗИИ НА ФРОНТЕ БОРЬБЫ С ГЕРМАНСКИМ ФАШИЗМОМ ЗА ПЕРИОД С 22.6 ПО 1.8.41 г.|language=Russian|accessdate=2015-02-25}}</ref> According to an examination of damaged T-34 tanks in several repair workshops in August to September 1942, collected by the People's Commissariat for Tank Industry in January 1943, 54.3% of all T-34 losses were caused by the German long-barreled [[5 cm KwK 39|50&nbsp;mm KwK 39]] gun.<ref>{{cite book|last1=Zaloga|first1=Steven|last2=Ness|first2=Leland|title=Red Army Handbook 1939–1945|date=2003|publisher= Sutton Publishing|isbn=978-0-7509-3209-7|page=179}}</ref><ref>{{cite web|url=http://litl-bro.livejournal.com/1700.html |archive-url=https://archive.is/20150225115504/http://litl-bro.livejournal.com/1700.html |url-status=dead |archive-date=2015-02-25 |title=Original Report: Отчет ЦНИИ-48 "Изучение пробивного действия немецких трофейных снарядов по броне наших танков и разработка мер борьбы с ними" |language=Russian |accessdate=2015-02-25 }}</ref>


Despite these deficiencies, the T-34's armour proved problematic for the Germans in the initial stages of the war on the Eastern Front. In one wartime account, a single T-34 came under heavy fire upon encountering one of the most common German anti-tank guns at that stage of the war: "Remarkably enough, one determined [[PaK 37mm|37&nbsp;mm gun]] crew reported firing 23 times against a single T-34 tank, only managing to jam the tank’s turret ring."<ref name="S. Zaloga 1994, p. 12">{{harvnb|Zaloga| 1994|p=12}}</ref> Similarly, a German report of May 1942 noted the ineffectiveness of their [[5 cm Pak 38|50&nbsp;mm gun]] as well, noting that "Combating the T-34 with the 5&nbsp;cm KwK tank gun is possible only at short ranges from the flank or rear, where it is important to achieve a hit as perpendicular to the surface as possible."<ref name="RussianBattlefield2000" /> However, a Military Commissariat Report of the 10th Tank Division, dated 2 August 1941 reported that within 300–400&nbsp;m the 37&nbsp;mm Pak 36's armour-piercing shot could defeat the frontal armour.<ref>{{cite web|url=http://marksrussianmilitaryhistory.info/10TD1941.html|title=Technical Report from the 10th Tank Division, August 1941|publisher=Mark Conrad, 1995|access-date=25 February 2015|archive-date=6 February 2016|archive-url=https://web.archive.org/web/20160206061942/http://marksrussianmilitaryhistory.info/10TD1941.html|url-status=live}}</ref><ref>{{cite web|url=http://bdsa.ru/documents/html/donesaugust41/410801.html|title=Original Report: БОЕВОЙ ДЕЯТЕЛЬНОСТИ 10-й ТАНКОВОЙ ДИВИЗИИ НА ФРОНТЕ БОРЬБЫ С ГЕРМАНСКИМ ФАШИЗМОМ ЗА ПЕРИОД С 22.6 ПО 1.8.41 г.|language=ru|access-date=25 February 2015|archive-date=1 January 2014|archive-url=https://web.archive.org/web/20140101052005/http://bdsa.ru/documents/html/donesaugust41/410801.html|url-status=dead}}</ref> According to an examination of damaged T-34 tanks in several repair workshops in August to September 1942, collected by the People's Commissariat for Tank Industry in January 1943, 54.3% of all T-34 losses were caused by the German long-barreled [[5 cm KwK 39]] gun.<ref>{{cite book|last1=Zaloga|first1=Steven|last2=Ness|first2=Leland|title=Red Army Handbook 1939–1945|date=2003|publisher= Sutton Publishing|isbn=978-0-7509-3209-7|page=179}}</ref><ref>{{cite web|url=http://litl-bro.livejournal.com/1700.html |archive-url=https://archive.today/20150225115504/http://litl-bro.livejournal.com/1700.html |url-status=dead |archive-date=25 February 2015 |title=Original Report: Отчет ЦНИИ-48 "Изучение пробивного действия немецких трофейных снарядов по броне наших танков и разработка мер борьбы с ними" |language=ru |access-date=25 February 2015 }}</ref>
As the war went on, the T-34 gradually lost some of its initial advantages. The Germans responded to the T-34 by fielding large numbers of improved anti-tank weapons such as the [[7.5 cm Pak 40|towed 75&nbsp;mm gun]], while hits from 88&nbsp;mm-armed Tigers, anti-aircraft guns and [[8.8 cm Pak 43|PaK 43]] 88&nbsp;mm anti-tank guns usually proved lethal.<ref name="Drabkin & Sheremet p. 43.">Drabkin & Sheremet 2006:43.</ref> A Wa Pruef 1 report estimated that, with the target angled 30° sideward, a [[Panther tank]] could penetrate the turret of a T-34-85 from the front at ranges up to 2000&nbsp;m, the mantlet at 1200&nbsp;m, and the frontal hull armor at 300&nbsp;m.<ref name="Jentz 1995:128">Jentz 1995:128</ref> According to the ''Pantherfibel'', the T-34's glacis could be penetrated from 800&nbsp;m and the mantlet from 1500&nbsp;m at 30° sideward angle.<ref>{{Cite web|url=http://s14.directupload.net/images/141103/d25fktfl.jpg|title=Pantherfibel}}</ref> Ground trials by employees of NIBT Polygon in May 1943 reported that the KwK 36 88&nbsp;mm gun could pierce the T-34 frontal hull from 1,500 meters at 90 degrees and cause a disastrous burst effect inside the tank. The examined hull showed cracks, spalling, and delamination due to the poor quality of the armor. It was recommended to increase and improve the quality of welds and armor.<ref>{{cite book|last1= Baryatinsky|first1= Mikhail|title= The T-34 in Combat|date=2008|publisher= Jauza, Moscow |isbn=978-5-699-26709-5|pages=29–30}}</ref>


In 1942 the German Panzer IVs were refitted with the [[7.5_cm_KwK_40| Kwk 40]] due to the inadequate anti tank performance of previous German tank designs against the T-34. The upgunned Panzer IV posed a serious threat to the T-34, being able to penetrate frontally at a range of {{convert|1200|m|ft|abbr=on}} at any angle.<ref>Jentz (1996), p. 243</ref>
As the war went on, the T-34 gradually lost some of its initial advantages. The Germans responded to the T-34 by fielding large numbers of improved anti-tank weapons such as the towed [[7.5 cm Pak 40]] anti-tank gun, while hits from 88&nbsp;mm-armed Tigers, anti-aircraft guns and [[8.8 cm Pak 43]] anti-tank guns usually proved lethal.<ref name="Drabkin & Sheremet p. 43.">{{harvnb|Drabkin | Sheremet |2006|p=43}}</ref> In 1942 the German Panzer IVs were refitted with the [[7.5 cm KwK 40]] due to the inadequate anti-tank performance of previous German tank designs against the T-34. The upgunned Panzer IV posed a serious threat to the T-34-76, being able to penetrate the frontal turret of a T-34-76 at a range of {{convert|1200|m|ft|abbr=on}} at any angle.<ref>Jentz (1996), p. 243</ref>{{Full citation needed|date=November 2021}}


A ''Wa Pruef 1'' report estimated that, with the target angled 30° sideward, a [[Panther tank]] could penetrate the turret of a T-34-85 from the front at ranges up to 2000&nbsp;m, the mantlet at 1200&nbsp;m, and the frontal hull armour at 300&nbsp;m.<ref name="Jentz 1995:128">Jentz 1995:128</ref>{{Full citation needed|date=November 2021}} According to the ''Pantherfibel'' (the Panther tank manual for its crew), the T-34's glacis could be penetrated from 800&nbsp;m and the mantlet from 1500&nbsp;m at 30° sideward angle.<ref>{{cite web|url=http://s14.directupload.net/images/141103/d25fktfl.jpg|title=Pantherfibel|access-date=14 November 2014|archive-date=2 January 2017|archive-url=https://web.archive.org/web/20170102144529/http://s14.directupload.net/images/141103/d25fktfl.jpg|url-status=dead}}</ref>
Analysis of destroyed T-34 tanks in the Korean war found that the 76 and 90 mm armor-piercing rounds on the [[M41 Walker Bulldog]] and [[M46 Patton]] could penetrate the T-34 at most angles from 800 yards. The maximum range at which the tanks could penetrate the T-34 could not determined due to a lack of data at higher combat ranges.<ref>Operations Research Office. US Armor in the Antitank Role. Korea, 1950</ref>

A [[Waffenamt|Waffenamt-Prüfwesen 1]] report estimated<ref>{{harvnb|Jentz|Doyle|1993|p=20}}</ref> that with the T-34 angled 30 degrees sidewards and APCBC round, the [[Tiger I]]'s 8.8&nbsp;cm KwK 36 L/56 would have to close in to {{convert|100|meters|yards|abbr=on}} to achieve a penetration in the T-34's glacis, and could penetrate the frontal turret of a T-34-85 at 1,400&nbsp;m, the mantlet at 400&nbsp;m, and the nose at 300&nbsp;m<ref>{{harvnb|Jentz|Doyle|1993|page=20}}</ref> Ground trials by employees of NIBT Polygon in May 1943 reported that the 88&nbsp;mm KwK 36 gun could pierce the T-34 frontal hull from 1,500 meters at 90 degrees and cause a disastrous burst effect inside the tank. The examined hull showed cracks, spalling, and delamination due to the poor quality of the armour. It was recommended to increase and improve the quality of welds and armour.<ref>{{cite book|last1= Baryatinsky|first1= Mikhail|title= The T-34 in Combat|date=2008|publisher= Jauza |location= Moscow |isbn=978-5-699-26709-5|pages=29–30}}</ref>
In late 1950 a T-34 85 tank was captured by the UN security force in the [[Korean War]]. An evaluation of the tank was conducted by the USA which found that the sloped armor of the T-34 was desirable for deflecting shells. They also concluded that the armor was deemed as satisfactory as armor strength was comparable to US armor of similar hardness and that the quality of the material used was "high-grade". Similarly, casting was seen as high quality although casting defects were found in the side armor of the tank that negatively affected armor strength. The abundance of gaps in the joints of the armor was seen as an undesirable feature of the tank due to the risk of injury from "entry of bullet splash and shell fragments".<ref>https://www.cia.gov/library/readingroom/docs/CIA-RDP81-01044R000100070001-4.pdf</ref>

Analysis of destroyed T-34 tanks in the Korean War found that the 76 and 90&nbsp;mm armour-piercing rounds of the [[M41 Walker Bulldog]] and [[M46 Patton]] could penetrate the T-34 at most angles from {{convert|800 |yard|abbr=on}}. The maximum range at which the tanks could penetrate the T-34 could not be determined due to a lack of data at higher combat ranges.<ref>Operations Research Office. US Armor in the Antitank Role. Korea, 1950</ref>

In late 1950 a T-34-85 tank was captured by UN forces in the [[Korean War]]. An evaluation of the tank was conducted by the US which found that the sloped armour of the T-34 was desirable for deflecting shells. They also concluded that the armour was deemed as satisfactory as armour strength was comparable to US armour of similar hardness and that the quality of the material used was "high-grade". Similarly, casting was seen as high quality although casting defects were found in the side armour of the tank that negatively affected armour strength. The abundance of gaps in the joints of the armour was seen as an undesirable feature of the tank due to the risk of injury from "entry of bullet splash and shell fragments".<ref>{{cite web|url=https://www.cia.gov/readingroom/docs/CIA-RDP81-01044R000100070001-4.pdf|title=Air Intelligence Loan Document : Engineering Analysis of the Russian T34/85 Tank|website=Cia.gov|access-date=2 March 2022|archive-date=3 April 2022|archive-url=https://web.archive.org/web/20220403131950/https://www.cia.gov/readingroom/docs/CIA-RDP81-01044R000100070001-4.pdf|url-status=live}}</ref>


===Firepower===
===Firepower===
[[File:T-34-76 RB6.JPG|thumb|T-34 side view, displaying the F-34 gun, with an [[ISU-122]] and [[T-54/T-55|T-54]] in background]]
[[File:T-34-76 RB6.JPG|thumb|T-34 side view, displaying the F-34 gun, with an [[ISU-122]] and [[T-54/T-55|T-54]] in background]]
The [[F-34 tank gun|F-34]] {{cvt|76.2|mm|in|0}} gun, fitted on the vast majority of T-34s produced through to the beginning of 1944, was able to penetrate any early German tank's armour at normal combat ranges. When firing [[Shell (projectile)#APCR|APCR]] shells, it could pierce 92&nbsp;mm at 500&nbsp;m and 60&nbsp;mm of armour at 1000&nbsp;m.<ref>Fleischer, Wolfgang. ''Russian Tanks and Armored Vehicles 1917–1945'', 1999.</ref> The best German tanks of 1941, the [[Panzer III]] and Panzer IV, had no more than 50 or 60&nbsp;mm of flat frontal armour.<ref>Jörgensen, Christen. ''Rommel's Panzers: Rommel and the Panzer Forces of the Blitzkrieg 1940–42''. Zenith Imprint 2003:38.</ref> However by 1942 the Germans had increased the hull armour on the Panzer IV to 80mm which provided good protection at normal combat distances. The F-34 also fired an adequate [[high explosive]] round.
The {{cvt|76.2|mm|in}} [[F-34 tank gun|F-34]] gun, fitted on the vast majority of T-34s produced through to the beginning of 1944, was able to penetrate any early German tank's armour at normal combat ranges. When firing [[High Velocity Armour Piercing|APCR]] shells, it could pierce {{convert|92|mm|abbr=on}} at {{convert|500|m|abbr=on}} and {{convert|60|mm|abbr=on}} of armour at {{convert|1000|m|abbr=on}}<ref>Fleischer, Wolfgang. ''Russian Tanks and Armored Vehicles 1917–1945'', 1999.</ref>{{page needed|date=August 2022}} The best German tanks of 1941, the [[Panzer III]] and Panzer IV, had no more than {{convert|50| or| 60|mm|abbr=on}} of flat frontal armour.<ref>Jörgensen, Christen. ''Rommel's Panzers: Rommel and the Panzer Forces of the Blitzkrieg 1940–42''. Zenith Imprint 2003. p38.</ref> However by 1942 the Germans had increased the hull armour on the Panzer IV to {{convert|80|mm|abbr=on}} which provided good protection at normal combat distances. The F-34 also fired an adequate [[high explosive]] round.


The gun sights and range finding for the F-34 main gun (either the [[TMFD-7]] or the [[PT4-7]]<ref>{{cite web|url=http://www.armchairgeneral.com/rkkaww2/weapons/sign_tanks.htm|title=Armchairgeneral|author=amvas|accessdate=15 November 2014}}</ref>) were rather crude, especially compared to those of their German adversaries, affecting accuracy and the ability to engage at long ranges.<ref>[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:126–27, 135]]</ref> As a result of the T-34's two-man turret, weak optics and poor vision devices, the Germans noted:
The gun sights and range finding for the F-34 main gun (either the [[TMFD-7]] or the [[PT4-7]]<ref>{{cite web|url=http://www.armchairgeneral.com/rkkaww2/weapons/sign_tanks.htm|title=Armchairgeneral|author=amvas|access-date=15 November 2014|archive-date=3 November 2014|archive-url=https://web.archive.org/web/20141103063253/http://www.armchairgeneral.com/rkkaww2/weapons/sign_tanks.htm|url-status=live}}</ref>) were rather crude, especially compared to those of their German adversaries, affecting accuracy and the ability to engage at long ranges.<ref>{{harvnb|Zaloga|Grandsen|1984|pp=126–27, 135}}</ref> As a result of the T-34's two-man turret, weak optics and poor vision devices, the Germans noted:


{{quotation|T-34s operated in a disorganized fashion with little coordination or else tended to clump together like a hen with its chicks. Individual tank commanders lacked situational awareness due to the poor provision of vision devices and preoccupation with gunnery duties. A tank platoon would seldom be capable of engaging three separate targets but would tend to focus on a single target selected by the platoon leader. As a result, T-34 platoons lost the greater firepower of three independently operating tanks.<ref name="Zaloga-1994-40">[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:40]]</ref>}}
{{quotation|T-34s operated in a disorganized fashion with little coordination or else tended to clump together like a hen with its chicks. Individual tank commanders lacked situational awareness due to the poor provision of vision devices and preoccupation with gunnery duties. A tank platoon would seldom be capable of engaging three separate targets but would tend to focus on a single target selected by the platoon leader. As a result, T-34 platoons lost the greater firepower of three independently operating tanks.<ref name="Zaloga-1994-40">{{harvnb|Zaloga| 1994|p=40}}</ref>}}


The Germans also noted that the T-34 was very slow to find and engage targets, while their own tanks could typically get off three rounds for every one fired by the T-34.<ref name="Zaloga-1994-40" /> As the war progressed the Germans created heavier tank designs like the [[Tiger I]] or [[Panther tank|Panther]] which were both immune to the 76mm gun of the T-34 when fired upon from the front.<ref>http://www.battlefield.ru/t34-85.html</ref><ref>https://www.tankarchives.ca/2019/02/panthers-side.html</ref> This meant that they could only be penetrated from the sides at ranges of a few hundred meters. Due to low anti-tank performance, the T-34 was upgraded to the T-34-85 model. This model, with its [[85 mm air defense gun M1939 (52-K)|85&nbsp;mm]] (3.35&nbsp;in) ZiS gun, provided greatly increased firepower compared to the previous T-34's 76.2mm gun. The 85&nbsp;mm gun could penetrate the turret front of a [[Tiger I]] tank from {{cvt|500|m|yd}} and the driver's front plate from {{cvt|300|m|yd}} at the side angle of 30 degrees, and the larger turret enabled the addition of another crew member, allowing the roles of commander and gunner to be separated and increasing the rate of fire and overall effectiveness.<ref name="Jentz and Doyle 1993:19–20">Jentz and Doyle 1993:20.</ref> The D-5T was capable of penetrating the Tiger I's upper hull armour at 1,000 metres. <ref>http://www.tankarchives.ca/2013/03/soviet-85-mm-guns-vs-tigers.html</ref> When firing on the frontal armour of the [[Panther tank|Panther]] at an angle of 30 degrees sidewards, the T-34-85 could not penetrate its turret at {{cvt|500|m|yd}}.<ref name="Jentz 1995:128" /> {{explain|reason:sentence starts "frontal armour" then reverts to "turret" - what happened re: the frontal armour? |date=October 2020}} This meant that the T-34 would have to resort to using tungsten rounds or firing on the weaker sides of the Panther to destroy it.<ref>Healy 2008:167–172</ref>
The Germans also noted that the T-34 was very slow to find and engage targets, while their own tanks could typically get off three rounds for every one fired by the T-34.<ref name="Zaloga-1994-40" /> As the war progressed the Germans created heavier tank designs like the [[Tiger I]] or [[Panther tank|Panther]] which were both immune to the 76mm gun of the T-34 when fired upon from the front.<ref>{{cite web |url=http://www.battlefield.ru/t34-85.html |title=Средний танк Т-34-85 |website=The Russian Battlefield |trans-title=Medium tank T-34-85 |first= Evgenii |last=Boldyrev |date= 1 October 2011 |access-date=7 August 2020 |archive-date=12 October 2011 |archive-url=https://web.archive.org/web/20111012025831/http://www.battlefield.ru/t34-85.html |url-status=dead }}</ref><ref>{{Cite web|url=http://www.tankarchives.ca/2019/02/panthers-side.html|title=Panther's Side|date=4 February 2019|website=Tankarchives.ca|access-date=2 March 2022|archive-date=2 March 2022|archive-url=https://web.archive.org/web/20220302190205/http://www.tankarchives.ca/2019/02/panthers-side.html|url-status=live}}</ref> This meant that they could only be penetrated from the sides at ranges of a few hundred metres. Due to low anti-tank performance, the T-34 was upgraded to the T-34-85 model. This model, with its [[85 mm air defense gun M1939 (52-K)|85&nbsp;mm (3.35&nbsp;in) ZiS gun]], provided greatly increased firepower compared to the previous T-34's 76.2mm gun. The 85&nbsp;mm gun could penetrate the turret front of a Tiger I tank from {{cvt|500|m|yd}} and the driver's front plate from {{cvt|300|m|yd}} at the side angle of 30 degrees, and the larger turret enabled the addition of another crew member, allowing the roles of commander and gunner to be separated and increasing the rate of fire and overall effectiveness.<ref name="Jentz and Doyle 1993:19–20">{{harvnb|Jentz|Doyle| 1993|p=20}}</ref> The D-5T was capable of penetrating the Tiger I's upper hull armour at 1,000 metres.<ref name="tankarchives.ca">{{cite web |url=http://www.tankarchives.ca/2013/03/soviet-85-mm-guns-vs-tigers.html |title=Tank Archives: Soviet 85 mm Guns vs Tigers |website=Tankarchives.ca |date=24 March 2013 |access-date=2 March 2022 |archive-date=22 January 2022 |archive-url=https://web.archive.org/web/20220122141929/http://www.tankarchives.ca/2013/03/soviet-85-mm-guns-vs-tigers.html |url-status=live }}</ref> When firing on the frontal armour of the Panther at an angle of 30 degrees sidewards, the T-34-85 could not penetrate its turret at {{cvt|500|m|yd}}.<ref name="Jentz 1995:128" /> {{explain|reason:sentence starts "frontal armour" then reverts to "turret" what happened re: the frontal armour? |date=October 2020}} This meant that the T-34 would have to resort to using [[tungsten]] rounds or firing on the weaker sides of the Panther to destroy it.<ref>Healy 2008:167–172</ref>


The greater length of the 85&nbsp;mm gun barrel (4.645 meters) made it necessary for crews to be careful not to plow it into the ground on bumpy roads or in combat. Tank commander A.K. Rodkin commented: "the tank could have dug the ground with it in the smallest ditch [filling the barrel with dirt]. If you fired it after that, the barrel would open up at the end like the petals of a flower", destroying the barrel. Standard practice when moving the T-34-85 cross-country in non-combat situations was to fully elevate the gun, or reverse the turret.<ref>[[#Reference-Drabkin|Drabkin & Sheremet 2006:33]]</ref>
The greater length of the 85&nbsp;mm gun barrel – {{convert|4.645|m|ftin|abbr=on}} made it necessary for crews to be careful not to plough it into the ground on bumpy roads or in combat. Tank commander A.K. Rodkin commented: "the tank could have dug the ground with it in the smallest ditch [filling the barrel with dirt]. If you fired it after that, the barrel would open up at the end like the petals of a flower", destroying the barrel. Standard practice when moving the T-34-85 cross-country in non-combat situations was to fully elevate the gun, or reverse the turret.<ref>[[#Reference-Drabkin|Drabkin & Sheremet 2006:33]]</ref>


During the Korean war, the USA captured a T-34 85. US engineering analysis and testing concluded that the T-34 85 could penetrate 4.1 inches at 1000 yards, performing similarly to the HVAP rounds of the M41. The Americans also concluded the maximum range of the gun was 2-3 km, but the effective range was only up to 1900 meters.{{citation needed|date=August 2020}}
During the Korean War, the USA captured a T-34-85. US engineering analysis and testing concluded that the T-34-85 could penetrate {{convert|4.1|in|mm|abbr=on}} at {{convert|1000|yd|abbr=on}}, performing similarly to the HVAP rounds of the M41. The Americans also concluded the maximum range of the gun was {{convert|2|–|3|km|abbr=on}}, but the effective range was only up to {{convert|1900|m|mi|abbr=on}}.{{citation needed|date=August 2020}}


===Mobility===
===Mobility===
[[File:T34 engine parola 1.jpg|thumb|upright|The T-34's 12-cylinder Model V-2-34 diesel engine at the [[Parola Tank Museum|Finnish Tank Museum]] in [[Parola]]]]
[[File:T34 engine parola 1.jpg|thumb|upright|The T-34's 12-cylinder Model V-2-34 diesel engine at the [[Parola Tank Museum|Finnish Tank Museum]] in [[Parola (Hattula)|Parola]]]]


The T-34 was powered by a [[Diesel model V-2|Model V-2-34]] 38.8&nbsp;L [[V12 engine|V12]] [[Diesel engine]] of 500&nbsp;hp (370&nbsp;kW),<ref name="Engine-name" group="notes">The name of the T-34's engine (V-2; B-2 in Russian) is a model name, and has nothing to do with its number of cylinders.</ref> giving a top speed of 53&nbsp;km/h (33&nbsp;mph). It used the coil-spring [[Christie suspension]] of the earlier BT-series tanks, using a "slack track" tread system with a rear-mounted drive sprocket and no system of return rollers for the upper run of track, but dispensed with the heavy and ineffective convertible drive.<ref name="Zaloga-1983-14" />
The T-34 was powered by a [[Diesel model V-2|Model V-2-34]] 38.8&nbsp;L [[V12 engine|V12]] [[Diesel engine]] of 500&nbsp;hp (370&nbsp;kW),{{efn|The name of the T-34's engine (V-2; B-2 in Russian) is a model name, and has nothing to do with its number of cylinders.}} giving a top speed of 53&nbsp;km/h (33&nbsp;mph). It used the coil-spring [[Christie suspension]] of the earlier BT-series tanks, using a "slack track" tread system with a rear-mounted drive sprocket and no system of return rollers for the upper run of track, but dispensed with the heavy and ineffective convertible drive.<ref name="Zaloga-1983-14" /> T-34 tanks equipped with the 4-speed gearbox could only use 4th gear on road, being limited to 3rd on terrain. In the first batch of T-34s, shifting from 2nd to 3rd required a force of 46-112 kg. In September 1941, however, changes were made which lowered the effort to under 31 kg by changing the 3rd gear ratio, which lowered top speed in 3rd gear from 29 km/h to 25 km/h, but made shifting easier. Using the 5-speed gearbox allowed the T-34 to use 4th gear on terrain, with which it could reach 30 km/h. <ref>{{Cite journal|last=Kavalerchik|first=Boris|date=March 2015|title=Once Again About the T-34|journal=The Journal of Slavic Military Studies|volume=28|pages=204–205|doi=10.1080/13518046.2015.998132|s2cid=143620807}}</ref>


The T-34-76's ground pressure was around 0.72 kg/cm².<ref name=kav198>{{Cite journal|last=Kavalerchik|first=Boris|date=March 2015|title=Once Again About the T-34|journal=The Journal of Slavic Military Studies|volume=28|pages=198|doi=10.1080/13518046.2015.998132|s2cid=143620807}}</ref><ref>{{Citation|last=Zaloga|first=Steven|date=2019|title=T-34 vs StuG III, Finland 1944|pages=29}}</ref> Its wide tracks allowed for superior performance on dirt roads and off-road when compared to contemporary tanks.<ref name=kav198/> There were, however, still examples of T-34s getting stuck in mud. For example, in 1944 February 4, the 21st Guards Tank Brigade with 32 T-34, was ordered to proceed by road to Tolstoye Rogi, a journey of approximately 80 kilometers. Of the 32 tanks, no less than 19 got stuck in the mud or suffered mechanical breakdowns.<ref>Korsun Pocket The Encirclement and Breakout of a German Army in the East, 1944 by Zetterling, Niklas Frankson, Anders page 180.</ref>
During the winters of 1941–42 and 1942–43, the T-34 had a marked advantage over German tanks through its ability to move over deep mud or snow—especially important in the USSR's twice-annual ''[[rasputitsa]]'' mud seasons—without bogging down. In addition, its pneumatic engine starting system, fed from a compressed air cylinder mounted inside the tank's bow, remained reliable even in the coldest conditions. The Panzer IV, its closest German equivalent at that time, used narrower track which tended to sink in such conditions.<ref>Perrett 1999</ref><sup>[more specific citation needed]</sup>


===Ergonomics===
===Ergonomics===
The original 76mm armed T-34 suffered from the unsatisfactory ergonomic layout of its crew compartment compared to the later 85mm variant. The two-man [[gun turret|turret]] crew arrangement required the commander to aim and fire the gun, an arrangement common to most Soviet tanks of the day. The two-man turret was "cramped and inefficient"{{sfn|Hughes|Mann|2002|p=63}} and was inferior to the three-man (commander, gunner, and loader) turret crews of German Panzer III and Panzer IV tanks. The Germans noted the T-34 was very slow to find and engage targets while the Panzers could typically get off three rounds for every one fired by the T-34.<ref name="Zaloga-1994-40" />
The original 76mm armed T-34 suffered from the unsatisfactory ergonomic layout of its crew compartment compared to the later 85mm variant. The two-man [[gun turret|turret]] crew arrangement required the commander to aim and fire the gun, an arrangement common to most Soviet tanks of the day. The two-man turret was "cramped and inefficient"{{sfn|Hughes|Mann|2002|p=63}} and was inferior to the three-man (commander, gunner, and loader) turret crews of German Panzer III and Panzer IV tanks. The Germans noted the T-34 was very slow to find and engage targets while the Panzers could typically get off three rounds for every one fired by the T-34.<ref name="Zaloga-1994-40" />


Early in the war, the commander fought at a further disadvantage; the forward-opening [[trapdoor|hatch]] and the lack of a turret cupola forced him to observe the battlefield through a single vision slit and traversable [[periscope]].<ref>Zaloga, p. 39</ref> German commanders liked to fight "heads-up", with their seat raised and having a full field of view – in the T-34 this was impossible.<ref>[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:135–7]]</ref> Soviet veterans condemned the turret hatches of the early models. Nicknamed ''[[pirozhok]]'' (stuffed bun) because of its characteristic shape, it was heavy and hard to open. The complaints of the crews urged the design group led by Alexander Morozov to switch in August 1942<ref>http://english.battlefield.ru/t-34.html</ref> to using two hatches in the turret.<ref>[[#Reference-Drabkin|Drabkin & Sheremet 2006:27-28]]</ref>
Early in the war, the commander fought at a further disadvantage; the forward-opening [[trapdoor|hatch]] and the lack of a turret cupola forced him to observe the battlefield through a single vision slit and traversable [[periscope]].<ref>Zaloga, p. 39</ref> German commanders liked to fight "heads-up", with their seat raised and having a full field of view – in the T-34 this was impossible.<ref>{{harvnb|Zaloga|Grandsen|1984|pp=135–37}}</ref> Soviet veterans condemned the turret hatches of the early models. Nicknamed ''[[pirozhok]]'' ("stuffed bun") because of its characteristic shape, it was heavy and hard to open. The complaints of the crews urged the design group led by Alexander Morozov to switch in August 1942<ref>{{Cite web |url=http://english.battlefield.ru/t-34.html |title=T-34 Medium Tank - ENGLISH.BATTLEFIELD.RU - ENGLISH.BATTLEFIELD.RU |access-date=24 October 2011 |archive-date=27 January 2012 |archive-url=https://web.archive.org/web/20120127003442/http://english.battlefield.ru/t-34.html |url-status=dead }}</ref> to using two hatches in the turret.<ref>[[#Reference-Drabkin|Drabkin & Sheremet 2006:27–28]]</ref>


The loader also had a difficult job due to the lack of a turret basket (a rotating floor that moves as the turret turns); the same fault was present on all German tanks prior to the Panzer IV. The floor under the T-34's turret was made up of ammunition stored in small metal boxes, covered by a rubber mat. There were nine ready rounds of ammunition stowed in racks on the sides of the fighting compartment. Once these rounds had been used, the crew had to pull additional ammunition out of the floor boxes, leaving the floor littered with open bins and matting and reducing their performance.<ref>[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:137]]</ref>
The loader also had a difficult job due to the lack of a turret basket (a rotating floor that moves as the turret turns); the same fault was present on all German tanks prior to the Panzer IV. The floor under the T-34's turret was made up of ammunition stored in small metal boxes, covered by a rubber mat. There were nine ready rounds of ammunition stowed in racks on the sides of the fighting compartment. Once these rounds had been used, the crew had to pull additional ammunition out of the floor boxes, leaving the floor littered with open bins and matting and reducing their performance.<ref>{{harvnb|Zaloga|Grandsen|1984|p=137}}</ref>


{{quotation|The main weakness [of the two-man turret of a T-34 Model 1941] is that it is very tight. The Americans couldn't understand how our tankers could fit inside during a winter when they wear sheepskin jackets. The electrical mechanism for rotating the turret is very bad. The motor is weak, very overloaded and sparks horribly, as a result of which the device regulating the speed of the rotation burns out, and the teeth of the cogwheels break into pieces. They recommend replacing it with a hydraulic or simply manual system.<ref name="Aberdeen" />}}
{{quotation|The main weakness [of the two-man turret of a T-34 Model 1941] is that it is very tight. The Americans couldn't understand how our tankers could fit inside during a winter when they wear sheepskin jackets. The electrical mechanism for rotating the turret is very bad. The motor is weak, very overloaded and sparks horribly, as a result of which the device regulating the speed of the rotation burns out, and the teeth of the cogwheels break into pieces. They recommend replacing it with a hydraulic or simply manual system. Due to not having a turret basket the crew was {{Sic}} could be injured by getting caught in the drive mechanism, this could leave them out of combat for a while, the lack of a turret basket also caused general discomfort to the crew, having to manually turn.<ref name="Aberdeen" />}}


Most of the problems created by the cramped T-34/76 turret, known before the war, were corrected with the provision of a bigger cast three-man turret{{sfn|Hughes|Mann|2002|p=61,63}} on the T-34-85 in 1944.
Most of the problems created by the cramped T-34/76 turret, known before the war, were corrected with the provision of a bigger cast three-man turret{{sfn|Hughes|Mann|2002|pp=61, 63}} on the T-34-85 in 1944.


===General reliability===
===General reliability===
The T-34's wide track and good suspension gave it excellent cross-country performance. Early in the tank's life, however, this advantage was greatly reduced by the numerous teething troubles the design displayed: a long road trip could be a lethal exercise for a T-34 tank at the start of the war. When in June 1941, the [[8th Mechanised Corps]] of [[D.I. Ryabyshev]] marched towards Dubno, the corps lost half of its vehicles. A.V. Bodnar, who was in combat in 1941–42, recalled:
The T-34's wide track and good suspension gave it excellent cross-country performance. Early in the tank's life, however, this advantage was greatly reduced by the numerous teething troubles the design displayed: a long road trip could be a lethal exercise for a T-34 tank at the start of the war. When in June 1941, the [[8th Mechanised Corps]] under [[Dmitry Ryabyshev]] marched 500&nbsp;km towards Dubno, the corps lost half of its vehicles. A.V. Bodnar, who was in combat in 1941–42, recalled:


{{quotation|From the point of view of operating them, the German armoured machines were almost perfect, they broke down less often. For the Germans, covering 200&nbsp;km was nothing, but with T-34s something would have been lost, something would have broken down. The technological equipment of their machines was better, the combat gear was worse.<ref name=Drabkin-2006-43>[[#Reference-Drabkin|Drabkin & Sheremet 2006:43]]</ref>}}
{{quotation|From the point of view of operating them, the German armoured machines were almost perfect, they broke down less often. For the Germans, covering 200&nbsp;km was nothing, but with T-34s something would have been lost, something would have broken down. The technological equipment of their machines was better, the combat gear was worse.<ref name=Drabkin-2006-43>{{harvnb|Drabkin | Sheremet| 2006|p=43}}</ref>}}


The T-34 gearbox had four forward and one reverse gear, replaced by a five-speed box on the last of the 1943 model of the T-34.{{sfn|Hughes|Mann|2002|p=40}} The earlier transmissions were troublesome, and some tanks went into battle with a spare transmission cabled onto the engine compartment deck.{{sfn|Hughes|Mann|2002|p=34}}
The T-34 gearbox had four forward and one reverse gear, replaced by a five-speed box on the last of the 1943 model of the T-34.{{sfn|Hughes|Mann|2002|p=40}}


The tracks of early models were the most frequently repaired part. A.V. Maryevski later remembered:
The tracks of early models were the most frequently repaired part. A.V. Maryevski later remembered:


{{quotation|The caterpillars used to break apart even without a bullet or shell hits. When earth got stuck between the road wheels, the caterpillar, especially during a turn – strained to such an extent that the pins and tracks themselves couldn't hold out.<ref>[[#Reference-Drabkin|Drabkin & Sheremet 2006:42]]</ref>}}
{{quotation|The caterpillars used to break apart even without a bullet or shell hits. When earth got stuck between the road wheels, the caterpillar, especially during a turn – strained to such an extent that the pins and tracks themselves couldn't hold out.<ref>{{harvnb|Drabkin | Sheremet| 2006|p=42}}</ref>}}


The USSR donated two combat-used Model 1941 T-34s to the United States for testing purposes in late 1942. The examinations, performed at the Aberdeen Proving Ground, highlighted these early faults, which were in turn acknowledged in a 1942 Soviet report on the results of the testing:
The USSR donated two combat-used Model 1941 T-34s to the United States for testing purposes in late 1942. The examinations, performed at the [[Aberdeen Proving Ground]], highlighted these early faults, which were in turn acknowledged in a 1942 Soviet report on the results of the testing:


{{quotation|The Christie's suspension was tested a long time ago by the Americans and unconditionally rejected. On our tanks, as a result of the poor steel on the springs, it very quickly [unclear word] and as a result clearance is noticeably reduced. The deficiencies in our tracks from their viewpoint result from the lightness of their construction. They can easily be damaged by small-caliber and mortar rounds. The pins are extremely poorly tempered and made of poor steel. As a result, they quickly wear and the track often breaks.<ref name="Aberdeen">{{citation |author=Major-General of Tank Armies, Khlopov, 2nd Department |publisher=Main Intelligence Department of the Red Army (n.d.) via The Russian Battlefield |url=http://english.battlefield.ru/evaluation-of-the-t-34-and-kv-dp1.html |title=Evaluation of The T-34 and KV Tanks By Engineers of the Aberdeen Proving Grounds USA |accessdate= November 23, 2011}}</ref>}}
{{quotation|The Christie's suspension was tested a long time ago by the Americans and unconditionally rejected. On our tanks, as a result of the poor steel on the springs, it very quickly fatigues and as a result clearance is noticeably reduced. The deficiencies in our tracks from their viewpoint result from the lightness of their construction. They can easily be damaged by small-caliber and mortar rounds. The pins are extremely poorly tempered and made of poor steel. As a result, they quickly wear and the track often breaks.<ref name="Aberdeen">{{citation |author=((Major-General of Tank Armies, Khlopov, 2nd Department)) |publisher=Main Intelligence Department of the Red Army (n.d.) |via=The Russian Battlefield |url=http://english.battlefield.ru/evaluation-of-the-t-34-and-kv-dp1.html |title=Evaluation of The T-34 and KV Tanks By Engineers of the Aberdeen Proving Grounds USA |access-date=November 23, 2011 |archive-date=February 23, 2013 |archive-url=https://web.archive.org/web/20130223043351/http://english.battlefield.ru/evaluation-of-the-t-34-and-kv-dp1.html |url-status=dead }}</ref>}}


Testing at Aberdeen also revealed that engines could grind to a halt from dust and sand ingestion, as the original "Pomon" air filter was almost totally ineffective and had an insufficient air-inflow capacity, starving the combustion chambers of oxygen, lowering compression, and thereby restricting the engine from operating at full capacity.<ref name="Aberdeen" /> The air filter issue was later remedied by the addition of "Cyclone" filters on the Model 1943,<ref name=":0" /> and even more efficient "Multi-Cyclone" filters on the T-34-85.<ref name="auto3" />
Testing at Aberdeen also revealed that engines could grind to a halt from dust and sand ingestion, as the original "Pomon" air filter was almost totally ineffective and had an insufficient air-inflow capacity, starving the combustion chambers of oxygen, lowering compression, and thereby restricting the engine from operating at full capacity.<ref name="Aberdeen" /> At the time of the Aberdeen testing, the alleged air filter issue was already remedied by the addition of [[Cyclonic separation|"Cyclone" filters]] on the Model 1943,<ref name="RussianBattlefield2000" /> and even more efficient "Multi-Cyclone" filters on the T-34-85.<ref name="auto3" />


The testing at Aberdeen revealed other problems as well. The turret drive also suffered from poor reliability. The use of poorly machined, low quality steel side friction clutches and the T-34's outdated and poorly manufactured transmission meant frequent mechanical failure occurred and that they "create an inhuman harshness for the driver". A lack of properly installed and shielded radios – if they existed at all – restricted their operational range to under {{cvt|16|km}}.<ref name="Aberdeen" />
The testing at Aberdeen revealed other problems as well. The turret drive also suffered from poor reliability. The use of poorly machined, low quality steel side friction clutches and the T-34's outdated and poorly manufactured transmission meant frequent mechanical failure occurred and that they "create an inhuman harshness for the driver". A lack of properly installed and shielded radios – if they existed at all – restricted their operational range to under {{cvt|16|km}}.<ref name="Aberdeen" />
Line 279: Line 284:
{{quotation|Judging by samples, Russians when producing tanks pay little attention to careful machining or the finishing and technology of small parts and components, which leads to the loss of the advantage what would otherwise accrue from what on the whole are well-designed tanks. Despite the advantages of the use of diesel, the good contours of the tanks, thick armor, good and reliable armaments, the successful design of the tracks etc., Russian tanks are significantly inferior to American tanks in their simplicity of driving, manoeuvrability, the strength of firing (reference to muzzle velocity), speed, the reliability of mechanical construction and the ease of keeping them running.<ref name="Aberdeen" />}}
{{quotation|Judging by samples, Russians when producing tanks pay little attention to careful machining or the finishing and technology of small parts and components, which leads to the loss of the advantage what would otherwise accrue from what on the whole are well-designed tanks. Despite the advantages of the use of diesel, the good contours of the tanks, thick armor, good and reliable armaments, the successful design of the tracks etc., Russian tanks are significantly inferior to American tanks in their simplicity of driving, manoeuvrability, the strength of firing (reference to muzzle velocity), speed, the reliability of mechanical construction and the ease of keeping them running.<ref name="Aberdeen" />}}


Soviet tests on newly built T-34s showed that in April 1943 only 10.1% could complete a 330&nbsp;km trial and in June ’43 this went down to 7.7%. The percentage stayed below 50% till October 1943 when it rose to 78%, in the next month it dropped to 57% and in the period December ’43 – January ’44 the average was 82%. During February 1944 tests, 79% of tanks reached 300 kilometers, and of the test batches 33% reached 1,000 kilometers. This became immediately apparent to the tank troops. The deputy commander of the 1st Guards Tank Army, P. G. Dyner, commented that tanks in 1943 would reach only 75 percent of their guaranteed life span in engine hours and mileage, but in 1944 they reached 150 percent.<ref>{{harvnb|Zaloga| 2015| p=308}}</ref>
On January 29th 1945, the State Defense Committee approved a decree that extended the service life guarantee of the T-34's V-2-34 engine from 200 hours to 250 hours. <ref>http://sovdoc.rusarchives.ru/#showunit&id=385746</ref> A report by the [[2nd Guards Tank Army]] in February 1945 revealed that the average engine service life of a T-34 was lower than the official warranty at 185-190 hours. For comparison, the US [[M4 Sherman]] had an average engine service life of 195-205 hours.<ref>http://www.tankarchives.ca/2020/04/t-34-85-reliability-1945.html</ref>


{| class="wikitable" style="text-align: center;"
During the Korean war the Americans captured a North Korean T-34 85, evaluating its performance. According to the tank’s instruments, it had travelled for 741 km, but the level of wear on the engine was minimal. The quality of materials used were "ample for the job" with some being "better than those used in American tanks". Protective coatings used to prevent wear of components were deemed "most effective". However the tank also had various defects. The gearbox was seen as problematic and unreliable and the US opinion of the transmission was exceptionally low, stating that it had "by American standards already failed". Analysis from the CIA suggested it was due to "inadequate design" due to the fact that the quality of materials used was not poor.<ref>{{cite web |url=https://www.cia.gov/library/readingroom/docs/CIA-RDP81-01044R000100070001-4.pdf/ |title=ENGINEERING ANALYSIS OF THE RUSSIAN T34/85 TANK}}</ref>
|-
|+Percentage of T-34 tanks reaching 330 kilometers during factory trials<ref>{{harvnb|Zaloga |2015| p=309}}</ref>
|-
!colspan=9 | 1943
!colspan=2 | 1944

|-
! Apr !! May !! Jun !! Jul !! Aug !! Sep !! Oct !! Nov !! Dec !! Jan !! Feb
|-
| 10.1 || 23.0 || 7.7 || 28.6 || 43.0 || 46.0 || 78.0 || 57.0 || 83.6 || 83.4 || 79.0
|}

In 1944 June, a report written by the 2. Panzerjäger-Abteilung Company 128 (23. PzDiv.) described experiences acquired during operations with its ''[[Beutepanzer]]'' SU-85 and T-34:

{{quotation|Despite not having much experience yet, it can be said that the Russian battle tank is not suitable for carrying out long marches as well as high-speed marches. A maximum driving speed of 10–12 km / h has become convenient. During the marches and in order to allow the engines to cool down, it is absolutely necessary to make a stop every half hour for a minimum duration of between fifteen and twenty minutes.

Steering gears have caused problems and breakdowns on all new battle tanks. In difficult terrain, during the gears or also during the course of attacks where many changes of direction are made, the steering clutch heats up and covers with oil quickly: consequently the clutch does not engage and it is impossible to maneuver the vehicle. Once it has cooled down, the clutch should be cleaned with copious amounts of fuel.

In relation to the armament and based on the experiences acquired so far, it can be affirmed that the power of the 7.62 cm cannon is good. If the barrel is adjusted correctly it has good precision even at great distances. The same can be said of the rest of the automatic weapons of the battle tank. The weapons have good precision and reliability, although a slow rate of fire.

The Company has had the same positive experiences with the 8.5 cm assault gun. Regarding the true power of fire compared to the 7.62 cm gun, the Company is not yet able to give details. The effect of explosive projectiles ( Sprenggranaten ) at great distances and its precision is much higher than that of the 7.62 cm cannon.

The optical systems of the Russian battle tank are, in comparison with the Germans, much inferior. The German gunner has to get used to the Russian telescopic sight. Observing the impact or the trajectory of the projectile through the telescopic sight is only partially possible. The gunner of the Russian T-43{{sic}} battle tank has only a panoramic optic, located in the upper left area, in front of the telescopic sight. In order for the loader to be able to observe the trajectory of the projectile in any case, the Company has additionally incorporated a second panoramic optics for this member of the crew.

In the Russian tank it is very difficult to steer the vehicle or a unit and shoot simultaneously. Coordinating fire within a company is only partially possible.<ref>{{cite web |url=http://www.panzer-elmito.org/beutepanzer/informes/pzjg-abt-128_2-6-1944_D.html |title=Erfahrungsbericht über Instandsetzung und Einsatz russischer Panzerkampfwagen vom Typ T-43 und SU-85 (Pz.Jäg.Abt. 128, 02.06.1944) |website=Panzer-elmito.org |date= |access-date=2 March 2022 |archive-date=27 March 2022 |archive-url=https://web.archive.org/web/20220327151617/https://www.panzer-elmito.org/beutepanzer/informes/pzjg-abt-128_2-6-1944_D.html |url-status=live }}</ref>}}

On 29 January 1945, the State Defense Committee approved a decree that extended the service life guarantee of the T-34's V-2-34 engine from 200 hours to 250 hours.<ref>{{cite web|url=http://sovdoc.rusarchives.ru/#showunit&id=385746|title=Документы советской эпохи: Главная|website=sovdoc.rusarchives.ru|access-date=8 August 2020|archive-date=5 January 2020|archive-url=https://web.archive.org/web/20200105193515/http://sovdoc.rusarchives.ru/#showunit&id=385746|url-status=live}}</ref> A report by the [[2nd Guards Tank Army]] in February 1945 revealed that the average engine service life of a T-34 was lower than the official warranty at 185–190 hours. For comparison, the US [[M4 Sherman]] had an average engine service life of 195–205 hours.<ref>{{cite web |url=http://www.tankarchives.ca/2020/04/t-34-85-reliability-1945.html |title=T-34-85 Reliability, 1945 |website=Tankarchives.ca |date=20 April 2020 |access-date=2 March 2022 |archive-date=30 March 2022 |archive-url=https://web.archive.org/web/20220330025615/http://www.tankarchives.ca/2020/04/t-34-85-reliability-1945.html |url-status=live }}</ref>


==Operational history==
==Operational history==
==={{Anchor|Combat history|World War II}} Operation Barbarossa (1941)===
===Operation Barbarossa (1941)<span class="anchor" id="Combat history"></span><span class="anchor" id="World War II"></span> ===
{{Main|German encounter of Soviet T-34 and KV tanks}}
{{Main|German encounter of Soviet T-34 and KV tanks}}
[[File:Bundesarchiv Bild 183-J08362, Übung, Panzer-Nahbekämpfung.jpg|thumb|left|German training mockup of a T-34 built over a captured Polish [[TKS|TK-3]] [[tankette]] ]]
[[File:Bundesarchiv Bild 183-J08362, Übung, Panzer-Nahbekämpfung.jpg|thumb|left|German training mockup of a T-34 built over a captured Polish [[TKS|TK-3]] [[tankette]] ]]


Germany launched [[Operation Barbarossa]], its invasion of the Soviet Union, on 22 June 1941. At the start of hostilities, the Red Army had 967 T-34 tanks and 508 KV tanks<ref>Erickson 1962/2001:567.</ref> concentrated in five<ref>Zaloga 1995:9.</ref> of their [[mechanized corps (Soviet Union)|twenty-nine mechanized corps]]. The existence of the T-34 and [[Kliment Voroshilov tank|KV]] tanks proved a psychological shock to German soldiers, who had expected to face an inferior enemy.<ref name="Zaloga & Grandsen 1984:126">Zaloga & Grandsen 1984:126</ref> The T-34 was superior to any tank the Germans then had in service. The diary of [[Alfred Jodl]] seems to express surprise at the appearance of the T-34 in [[Riga]].<ref>{{ cite book | title=Hitler's Generals | editor=Correlli Barnett | publisher=Weidenfeld and Nicolson | year=1989 | page=456 | isbn=0-297-79462-0 }}</ref>
Germany launched [[Operation Barbarossa]], its invasion of the Soviet Union, on 22 June 1941. At the start of hostilities, the Red Army had 967 T-34 tanks and 508 KV tanks<ref>{{harvnb|Erickson|2001|p=567}}</ref> concentrated in five<ref>Zaloga 1995:9.</ref> of their [[mechanized corps (Soviet Union)|twenty-nine mechanized corps]]. The existence of the T-34 and [[Kliment Voroshilov tank|KV heavy tanks]] proved a psychological shock to German soldiers, who had expected to face an inferior enemy.<ref name="Zaloga & Grandsen 1984:126">{{harvnb|Zaloga | Grandsen| 1984|p=126}}</ref> The T-34 was superior to any tank the Germans then had in service. The diary of [[Alfred Jodl]] seems to express surprise at the appearance of the T-34 in [[Riga]],<ref>{{ cite book | title=Hitler's Generals | editor-first=Correlli |editor-last=Barnett | publisher=Weidenfeld and Nicolson | year=1989 | page=456 | isbn=0-297-79462-0 }}</ref> noting "the surprise at this new and thus unknown ''wunder''-armament being unleashed against the German assault divisions".<ref>{{Cite book|title=Engineers of Victory |last=Kennedy |first=Paul |publisher=Random House |year=2013 |isbn=978-1-4000-6761-9 |location=New York|page=184}}</ref> [[Paul Ludwig Ewald von Kleist]], called it "the finest tank in the world"<ref>{{cite book|last=Stahel|first=David|title=Operation Barbarossa and Germany's Defeat in the East |year=2009 |publisher=Cambridge University Press |location=New York |chapter=5 |isbn=978-0-521-76847-4 |page=169}}</ref> and [[Heinz Guderian]] affirmed the T-34's "vast superiority" over German tanks.<ref>{{cite book|last=Guderian|first=Heinz|title=Panzer Leader|year=2000|publisher=Penguin Classics|location=London|chapter=6|isbn=978-0-14-139027-7|page=233}}</ref><ref>Caidin, M. (1974). 14 "The incredible T-34 tank." In ''The Tigers are Burning'' (2nd ed., p. 162). Los Angeles: Pinnacle Books.</ref>


Initially, the Wehrmacht had great difficulty destroying T-34s in combat, as standard German anti-tank weaponry proved ineffective against its heavy, [[sloped armour]]. In one of the first known encounters, a T-34 crushed a 37&nbsp;mm [[PaK 36]], destroyed two [[Panzer II]]s, and left a {{convert|14|km|mi|adj=on}}-long swathe of destruction in its wake before a howitzer destroyed it at close range.<ref>Carell, Paul. ''Hitler Moves East 1941–1943''. Bantam Books, 1966, p. 75.</ref> In another incident, a single Soviet T-34 was hit more than 30 times by a battalion-sized contingent of German 37mm and 50mm anti-tank guns, yet survived intact and drove back to its own lines a few hours later.<ref name=Ganz>{{cite book|last=Ganz|first=A. Harding|title=Ghost Division: The 11th "Gespenster" Panzer Division and the German Armored Force in World War II|date=2016|pages=15–17|publisher=Stackpole Books|location=Mechanicsburg|isbn=978-0811716598}}</ref> The inability to penetrate the T-34's armour led to the Germans' standard anti-tank gun, the 37&nbsp;mm PaK 36, being dubbed the ''Panzeranklopfgerät'' ("tank door knocker") because the PaK 36 crew simply revealed their presence and wasted their shells without damaging the T-34's armour.<ref name=Ganz/> Anti-tank gunners began aiming at tank tracks, or vulnerable margins on the turret ring and [[gun mantlet]], rather than the bow and turret armour.<ref name=Ganz/> The Germans were forced to deploy [[10 cm schwere Kanone 18|105&nbsp;mm field guns]] and [[8.8 cm Flak 18/36/37/41|88&nbsp;mm anti-aircraft guns]] in a [[direct fire]] role to stop them.<ref>Bailey, Jonathan B.A. ''Field Artillery and Firepower'' (Naval Institute Press, London 2003), p.337. {{ISBN|978-1591140290}}</ref>
Initially, the Wehrmacht had great difficulty destroying T-34s in combat, as standard German anti-tank weaponry proved ineffective against its heavy, [[sloped armour]]. In one of the first known encounters, a T-34 crushed a [[3.7 cm PaK 36]], destroyed two [[Panzer II]]s, and left a {{convert|14|km|mi|adj=on}} long swathe of destruction in its wake before a howitzer destroyed it at close range.<ref>Carell, Paul. ''Hitler Moves East 1941–1943''. Bantam Books, 1966, p. 75.</ref> In another incident, a single Soviet T-34 was hit more than 30 times by a battalion-sized contingent of German 37mm and 50mm anti-tank guns, yet survived intact and drove back to its own lines a few hours later.<ref name=Ganz>{{cite book|last=Ganz|first=A. Harding|title=Ghost Division: The 11th "Gespenster" Panzer Division and the German Armored Force in World War II|date=2016|pages=15–17|publisher=Stackpole Books|location=Mechanicsburg|isbn=978-0811716598}}</ref> The inability to penetrate the T-34's armour led to the Germans' standard anti-tank gun, the 37&nbsp;mm PaK 36, being dubbed the ''Panzeranklopfgerät'' ("tank door knocker") because the PaK 36 crew simply revealed their presence and wasted their shells without damaging the T-34's armour.<ref name=Ganz/> Anti-tank gunners began aiming at tank tracks, or vulnerable margins on the turret ring and [[gun mantlet]], rather than the bow and turret armour.<ref name=Ganz/> The Germans were forced to deploy [[10 cm schwere Kanone 18|105&nbsp;mm field guns]] and [[8.8 cm Flak 18/36/37/41|88&nbsp;mm anti-aircraft guns]] in a [[direct fire]] role to stop them.<ref>Bailey, Jonathan B.A. ''Field Artillery and Firepower'' (Naval Institute Press, London 2003), p. 337. {{ISBN|978-1591140290}}</ref>


[[File:Bundesarchiv B 145 Bild-F016221-0016, Russland, Brennender T-34.jpg|thumb|Burning T-34, Soviet Union, 1941]]
[[File:Bundesarchiv B 145 Bild-F016221-0016, Russland, Brennender T-34.jpg|thumb|Burning T-34, Soviet Union, 1941]]


Despite this, the Soviet corps equipped with these new tanks lost most of them within weeks.<ref>Solonin:145, 261–262, 321.</ref> The combat statistics for 1941 show that the Soviets lost an average of over seven tanks for every German tank lost.<ref name=Fowler-2002-170>[[#Reference-Fowler-2002|Fowler & Bean 2002:170]]</ref><ref name="Zaloga-1998-181">[[#Reference-Zaloga-1998|Zaloga & Ness 1998:181, table 6.3]].</ref> The Soviets lost a total of 20,500 tanks in 1941 (approximately 2,300 of them T-34s, as well as over 900 heavy tanks, mostly KVs).<ref name=Krivosheev-1997-252>[[#Reference-Krivosheev-1997|Krivosheev & Erickson 1997:252, table 95.]]</ref> The destruction of the Soviet tank force was accomplished not only by the glaring disparity in the tactical and operational skills of the opponents, but also by mechanical defects that afflicted Soviet armour.<ref name="Zaloga & Grandsen 1984:127">Zaloga & Grandsen 1984:127</ref> Besides the poor state of older tanks, the new T-34s and KVs suffered from initial mechanical and design problems, particularly with regard to clutches and transmissions. Mechanical breakdowns accounted for at least 50 percent of the tank losses in the summer fighting, and recovery or repair equipment was not to be found.<ref name="Zaloga & Grandsen 1984:127" /> The shortage of repair equipment and recovery vehicles led the early T-34 crews to enter combat carrying a spare transmission on the engine deck.<ref>Zaloga & Sarson 1994:24.</ref>
Despite this, the Soviet corps equipped with these new tanks lost most of them within weeks.{{sfn|Solonin|2007|pp=145, 261–262, 321}} The combat statistics for 1941 show that the Soviets lost an average of over seven tanks for every German tank lost.<ref name=Fowler-2002-170>{{harvnb|Fowler | Bean |2002| p=170}}</ref><ref name="Zaloga-1998-181">{{harvnb|Zaloga|Ness|1998|p=181, table 6.3}}</ref> The Soviets lost a total of 20,500 tanks in 1941 (approximately 2,300 of them T-34s, as well as over 900 heavy tanks, mostly KVs).<ref name=Krivosheev-1997-252>[[#Reference-Krivosheev-1997|Krivosheev & Erickson 1997:252, table 95.]]</ref> The destruction of the Soviet tank force was accomplished not only by the glaring disparity in the tactical and operational skills of the opponents, but also by mechanical defects that afflicted Soviet armour.<ref name="Zaloga & Grandsen 1984:127">{{harvnb|Zaloga | Grandsen |1984 | p=127}}</ref> Besides the poor state of older tanks, the new T-34s and KVs suffered from initial mechanical and design problems, particularly with regard to clutches and transmissions. Mechanical breakdowns accounted for at least 50 percent of the tank losses in the summer fighting, and recovery or repair equipment was not to be found.<ref name="Zaloga & Grandsen 1984:127" /> The shortage of repair equipment and recovery vehicles led the early T-34 crews to enter combat carrying a spare transmission on the engine deck.<ref>Zaloga 1994:24.</ref>


[[File:T-34 german.jpg|thumb|left|T-34 being used by the Wehrmacht]]
Other key factors diminishing the initial impact of T-34s on the battlefield were the poor state of [[leadership]], tank [[Military tactics|tactics]], initial lack of radios in tanks, and [[Military education and training|crew training]]; these factors were partially consequences of Stalin's [[Great Purge#Purge of the army|purge of the Soviet officer corps in 1937]], reducing the army's efficiency and morale.<ref>Bullock, Alan. ''Hitler and Stalin: Parallel Lives''. New York: Vintage Books 1993:489.</ref> This was aggravated as the campaign progressed by the loss of many of the properly trained personnel during the Red Army's disastrous defeats early in the invasion. Typical crews went into combat with only basic military training plus 72 hours of classroom instruction; according to historian [[Steven Zaloga]]:
Other key factors diminishing the initial impact of T-34s on the battlefield were the poor state of [[leadership]], tank [[Military tactics|tactics]], initial lack of radios in tanks, and [[Military education and training|crew training]]; these factors were partially consequences of Stalin's [[Great Purge#Purge of the army|purge of the Soviet officer corps in 1937]], reducing the army's efficiency and morale.<ref>Bullock, Alan. ''Hitler and Stalin: Parallel Lives''. New York: Vintage Books 1993:489.</ref> This was aggravated as the campaign progressed by the loss of many of the properly trained personnel during the Red Army's disastrous defeats early in the invasion. Typical crews went into combat with only basic military training plus 72 hours of classroom instruction; according to historian [[Steven Zaloga]]:


{{quotation|The weakness of mechanized corps lay not in the design of their equipment, but rather in its poor mechanical state, the inadequate training of their crews, and the abysmal quality of Soviet military leadership in the first month of the war.<ref>[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:126]]</ref>}}
{{quotation|The weakness of mechanized corps lay not in the design of their equipment, but rather in its poor mechanical state, the inadequate training of their crews, and the abysmal quality of Soviet military leadership in the first month of the war.<ref>{{harvnb|Zaloga| 1994|p=126}}</ref>}}


===Further action (1942–1943)===
===Further action (1942–1943)===
{{more citations needed section|date=July 2013}}
{{more citations needed section|date=July 2013}}
[[File:Operazione Piccolo Saturno.jpg|thumb|right|Soviet T-34 tanks during the [[Operation Little Saturn]] in December 1942]]
[[File:Operazione Piccolo Saturno.jpg|thumb|right|Soviet T-34 tanks during the [[Operation Little Saturn]] in December 1942]]
As the invasion progressed, German infantry began receiving increasing numbers of the [[Pak 40]] 75&nbsp;mm, which were capable of penetrating the T-34's armour at long range. Larger numbers of the [[88mm flak gun|88&nbsp;mm ''Flak'']] guns also arrived, which could easily defeat a T-34 at very long ranges, though their size and general unwieldiness meant that they were often difficult to move into position in the rough Soviet terrain.<ref>Gander and Chamberlain, 1979:119</ref>
As the invasion progressed, German infantry began receiving increasing numbers of the [[7.5 cm Pak 40]] anti-tank guns, which were capable of penetrating the T-34's armour at long range. Larger numbers of the [[88mm flak gun|88&nbsp;mm ''Flak'']] guns also arrived, which could easily defeat a T-34 at very long ranges, though their size and general unwieldiness meant that they were often difficult to move into position in the rough Soviet terrain.{{sfn|Gander| Chamberlain |1979|p=119}}


At the same time, the Soviets incrementally upgraded the T-34. The Model 1942 featured increased armour on the turret and many simplified components. The Model 1943 (confusingly also introduced in 1942) had yet more armour, as well as increased fuel capacity and more ammunition storage. Also added were an improved engine air filter and a new clutch mated to an improved and more reliable five-speed transmission.<ref name="Zaloga 2006" /> Finally, the Model 1943 also had a new, slightly roomier (but still two-man) turret of a distinctive hexagonal shape that was easier to manufacture, derived from the abandoned [[T-34 variants#Tanks|T-34M]] project.<ref name="auto2" />
At the same time, the Soviets incrementally upgraded the T-34. The Model 1942 featured increased armour on the turret and many simplified components. The Model 1943 (confusingly also introduced in 1942) had yet more armour, as well as increased fuel capacity and more ammunition storage. Also added were an improved engine air filter and a new clutch mated to an improved and more reliable five-speed transmission.<ref name="Zaloga 2006" /> Finally, the Model 1943 also had a new, slightly roomier (but still two-man) turret of a distinctive hexagonal shape that was easier to manufacture, derived from the abandoned [[T-34 variants#Tanks|T-34M]] project.<ref name="auto2" />


The T-34 was essential in resisting the German summer offensive in 1942, and executing the double encirclement manoeuver that cut off the German Sixth Army at [[Battle of Stalingrad|Stalingrad]] in December 1942. The Sixth Army was surrounded, and eventually surrendered in February 1943, a campaign widely regarded as the turning point of the war on the Eastern Front.
The T-34 was essential in resisting the German summer offensive in 1942, and executing the double encirclement manoeuvre that cut off the [[6th Army (Wehrmacht)|German Sixth Army]] at [[Battle of Stalingrad|Stalingrad]] in December 1942. The Sixth Army was surrounded, and eventually surrendered in February 1943, a campaign widely regarded as the turning point of the war on the Eastern Front.


In 1943, the Soviets formed [[Polish Armed Forces in the East|Polish]] and [[I Corps (Czechoslovakia)|Czechoslovak]] armies-in-exile, and these started to receive the T-34 Model 1943 with a hexagonal turret. Like the Soviet forces themselves, the Polish and Czechoslovak tank crews were sent into action quickly with little training, and suffered high casualties.{{Citation needed|date=June 2016}}
In 1943, the Soviets formed [[Polish Armed Forces in the East|Polish]] and [[I Corps (Czechoslovakia)|Czechoslovak]] armies-in-exile, and these started to receive the T-34 Model 1943 with a hexagonal turret. Like the Soviet forces themselves, the Polish and Czechoslovak tank crews were sent into action quickly with little training, and suffered high casualties.{{Citation needed|date=June 2016}}
[[File:Zitomir 43-44.jpg|thumb|right|Soviet T-34 tanks await orders to move forward during the [[Zhitomir–Berdichev Offensive]] in January 1944]]
[[File:Zitomir 43-44.jpg|thumb|right|Soviet T-34 tanks await orders to move forward during the [[Zhitomir–Berdichev Offensive]] in January 1944]]
In July 1943, the Germans launched [[Operation Citadel]], in the region around [[Battle of Kursk|Kursk]], their last major offensive on the Eastern Front in the Second World War. It was the debut of the German [[Panther tank]], although the numbers employed at Kursk were small and the brunt of the burden was carried by the [[Panzer III]], [[Sturmgeschütz III|StuG III]], and [[Panzer IV]]. The campaign featured the largest tank battles in history. The high-water mark of the battle was the massive armour engagement at [[Battle of Prokhorovka|Prokhorovka]], which began on 12 July, though the vast majority of armour losses on both sides were caused by artillery and mines, rather than tanks.<ref name="Prokhorovka Interview">{{cite web|last1=Zamulin|first1=Valeriy|title=Prokhorovka Interview|url=http://worldoftanks.ru/ru/news/pc-browser/12/prokhorovka_interview_zamulin/?|website=World of Tanks|accessdate=10 October 2014}}</ref> Over 6,000 fully tracked armoured vehicles, 4,000 combat aircraft, and 2 million men are believed to have participated in these battles.
In July 1943, the Germans launched [[Operation Citadel]], in the region around [[Kursk]], their last major offensive on the Eastern Front in the Second World War. It was the debut of the German Panther tank, although the numbers employed at the resulting [[Battle of Kursk]] were small and the brunt of the burden was carried by the Panzer III, [[Sturmgeschütz III|StuG III]], and Panzer IV. The campaign featured the largest tank battles in history. The high-water mark of the battle was [[Battle of Prokhorovka|the massive armour engagement at Prokhorovka]], which began on 12 July, though the vast majority of armour losses on both sides were caused by artillery and mines, rather than tanks.<ref name="Prokhorovka Interview">{{cite web |last1=Zamulin |first1=Valeriy |title=В. Замулин: «В бою под Прохоровкой с обеих сторон участвовало около 1000 танков и САУ» <!-- Prokhorovka Interview --> |trans-title=V. Zamulin: "About 1,000 tanks and self-propelled guns participated in the battle near Prokhorovka on both sides" |url=http://worldoftanks.ru/ru/news/pc-browser/12/prokhorovka_interview_zamulin/ |language=ru |date=10 July 2014 |website=World of Tanks |access-date=10 October 2014 |archive-date=16 October 2014 |archive-url=https://web.archive.org/web/20141016223746/http://worldoftanks.ru/ru/news/pc-browser/12/prokhorovka_interview_zamulin/ |url-status=live }}</ref> Over 6,000 fully tracked armoured vehicles, 4,000 combat aircraft, and 2 million men are believed to have participated in these battles.


The Soviet high command's decision to focus on one cost-effective design, cutting costs and simplifying production wherever possible while only allowing relatively minor improvements, had proven to be an astute choice for the first two years of the war. However, the battles in the summer of 1943 demonstrated that the 76.2&nbsp;mm gun of the T-34 was no longer as effective as it was in 1941. Soviet tank crews struggled at longer ranges with the additional frontal armour applied to the later variants of the Panzer III and Panzer IV, and were unable to penetrate the frontal armour of the new German Panther or Tiger I tank at standard combat ranges without tungsten rounds, and had to rely on tactical skill through flanking maneuvers and combined arms.<ref name="Prokhorovka Interview" />
The Soviet high command's decision to focus on one cost-effective design, cutting costs and simplifying production wherever possible while only allowing relatively minor improvements, had proven to be an astute choice for the first two years of the war. However, the battles in the summer of 1943 demonstrated that the 76.2&nbsp;mm gun of the T-34 was no longer as effective as it was in 1941. Soviet tank crews struggled at longer ranges with the additional frontal armour applied to the later variants of the Panzer III and Panzer IV, and were unable to penetrate the frontal armour of the new German Panther or Tiger I tank at standard combat ranges without tungsten rounds, and had to rely on tactical skill through flanking manoeuvres and combined arms.<ref name="Prokhorovka Interview" />


===T-34-85===
===T-34-85===
[[File:P82-2l.jpg|thumb|upright=1.2|A T-34 Model 1942 (left), next to the [[T-43 medium tank|T-43]].]]
[[File:P82-2l.jpg|thumb|upright=1.2|A T-34 Model 1942 (left), next to the [[T-43 medium tank|T-43]].]]
After improved German Panzer IVs with the high-velocity [[7.5 cm KwK 40|75&nbsp;mm (2.95&nbsp;in) gun]] were encountered in combat in 1942, a project to design an entirely new Soviet tank was begun, with the goals of increasing armour protection while adding modern features like a [[torsion-bar]] suspension and a three-man turret. The new tank, the [[T-43 medium tank|T-43]], was intended to be a universal model to replace both the T-34 and the [[KV-1 (tank)|KV-1]] heavy tank. However, the T-43 prototype's armour, though heavier, was not capable against German 88&nbsp;mm guns, while its mobility was found to be inferior to the T-34. Finally, although the T-43 shared over 70% of its components with the T-34, manufacturing it would still have required a significant slow-down in production.<ref name="zaloga1997">[[#Reference-Zaloga-1997|Zaloga et al. 1997:5]]</ref> Consequently, the T-43 was cancelled.
After improved German Panzer IVs with the high-velocity [[7.5 cm KwK 40|7.5cm (2.95&nbsp;in) KwK 40 gun]] were encountered in combat in 1942, a project to design an entirely new Soviet tank was begun, with the goals of increasing armour protection while adding modern features like a [[torsion-bar]] suspension and a three-man turret. The new tank, the [[T-43 medium tank|T-43]], was intended to be a universal model to replace both the T-34 and the [[KV-1 (tank)|KV-1]] heavy tank. However, the T-43 prototype's armour, though heavier, was not capable against German 88&nbsp;mm guns, while its mobility was found to be inferior to the T-34. Finally, although the T-43 shared over 70% of its components with the T-34, manufacturing it would still have required a significant slow-down in production.<ref name="zaloga1997">{{harvnb|Zaloga| Kinnear |Aksenov |Koshchavtsev |1997 |p=5 }}</ref> Consequently, the T-43 was cancelled.


Not only were the weapons of German tanks improving, so was their armour. Soviet firing tests against a captured Tiger I heavy tank in April 1943 showed that the T-34's 76&nbsp;mm gun could not penetrate the front of the Tiger I at all, and the side only at the very close range. A Soviet 85&nbsp;mm anti-aircraft gun, the [[85 mm air defense gun M1939 (52-K)|52-K]], was found capable of doing the job, and so derivatives of it were developed for tanks.<ref>{{cite web|author=Eugene Boldyrev |url=http://www.battlefield.ru/content/view/87/43/lang,en/ |title=Средний танк Т-34-85 The Russian Battlefield |publisher=Battlefield.ru |date=2005-09-20 |accessdate=2010-08-11}}</ref><ref>Healy 2008:167–171</ref> One of the resulting guns used on the original T-34 85 model (the D-5t) was capable of penetrating the Tiger I's upper hull armour at 1,000 metres. <ref>http://www.tankarchives.ca/2013/03/soviet-85-mm-guns-vs-tigers.html</ref> It was still not enough to match the Tiger, as a Tiger could destroy the T-34 from a distance of 1,500 to 2,000 meters,<ref name="auto4">{{cite web|last1=Pyatakhin|first1=Dmitry|title=The New Generation of Soviet Armor vs. Tigers|url=http://www.achtungpanzer.com/the-new-generation-of-soviet-armor-vs-tigers.htm|website=Achtung Panzer|accessdate=2014-12-22}}</ref> but it was a noticeable improvement.
The Germans improved not only the weaponry of their tanks, but their armor as well. Soviet firing tests against a captured Tiger&nbsp;I heavy tank in April 1943 showed that the T-34's 76&nbsp;mm gun could not penetrate the front of the Tiger&nbsp;I at all, and the side only at very close range. A Soviet 85&nbsp;mm anti-aircraft gun, the [[85 mm air defense gun M1939 (52-K)|M1939 (52-K)]], was found capable of doing the job, and so derivatives of it were developed for tanks.<ref>{{cite web|author=Евгений Болдырев [Evgeny Boldyrev] |url=http://www.battlefield.ru/content/view/87/43/lang,en/ |title=Средний танк Т-34-85 |publisher=The Russian Battlefield |date=20 September 2005 |access-date=11 August 2010 |language=ru |url-status=dead |archive-date=23 September 2015 |archive-url=https://web.archive.org/web/20150923183133/http://www.battlefield.ru/t34-85-2.html }}</ref><ref>Healy 2008:167–171</ref> One of the resulting guns used on the original T-34 85 model (the D-5T) was capable of penetrating the Tiger&nbsp;I's upper hull armour at 1,000 metres.<ref name="tankarchives.ca"/> It was still not enough to match the Tiger, which could destroy the T-34 from a distance of {{convert|1,500| to| 2,000|m|abbr=on}},<ref name="auto4">{{cite web|last1=Pyatakhin|first1=Dmitry |title=The New Generation of Soviet Armor vs. Tigers|url=http://www.achtungpanzer.com/the-new-generation-of-soviet-armor-vs-tigers.htm|website=Achtung Panzer|access-date=22 December 2014|archive-date=5 April 2018|archive-url=https://web.archive.org/web/20180405223824/http://www.achtungpanzer.com/the-new-generation-of-soviet-armor-vs-tigers.htm|url-status=dead}}</ref> but it was a noticeable improvement.


[[File:T34-85 Heckansicht.jpg|thumb|left|Rear view of a T-34-85 from Factory 174. In the center is a circular transmission access hatch, flanked by exhaust pipes, MDSh [[smoke-screen|smoke]] canisters on the hull rear, and extra fuel tanks on the hull sides.]]
[[File:T34-85 Heckansicht.jpg|thumb|left|Rear view of a T-34-85 from Factory 174. In the center is a circular transmission access hatch, flanked by exhaust pipes, MDSh [[smoke-screen|smoke]] canisters on the hull rear, and extra fuel tanks on the hull sides.]]


With the T-43 canceled, the Soviet command made the decision to retool the factories to produce an improved version of the T-34. Its turret ring was enlarged from 1,425&nbsp;mm (56&nbsp;in) to 1,600&nbsp;mm (63&nbsp;in), allowing a larger turret to be fitted and thus the larger 85&nbsp;mm gun. The prototype T-43's turret design was hurriedly adopted by Vyacheslav Kerichev at the [[Krasnoye Sormovo Factory]] to fit the T-34.<ref>[[#Reference-Zaloga-1984|Zaloga & Grandsen 1984:166]]</ref> This was a larger three-man turret, with radio (previously in the hull) and observation cupola in the roof. Now the tank commander needed only to command (aided by cupola and radio systems), leaving the operation of the gun to the gunner and the loader. The turret armour was much thicker, 90&nbsp;mm, even if bigger and less sloped than the original T-34 turret. This made the turret, overall, a bigger target (due to the three-man crew and bigger gun), but more resistant to enemy fire. The ammunition load shrank from around 90-100 to 55-60 shells, but the projectiles were 50% heavier (9&nbsp;kg) and were much better in the anti-armour role, and reasonable in a general purpose role. The resulting new tank, the T-34-85, was seen as a compromise between advocates for the T-43 and others who wanted to continue to build as many 76&nbsp;mm-armed T-34s as possible without interruption.<ref>{{cite web|url=http://www.militaryfactory.com/armor/detail.asp?armor_id=63|title=T-34/85 – Medium Tank – History, Specs and Pictures – Military Tanks, Vehicles and Artillery|accessdate=15 November 2014}}</ref>
With the T-43 canceled, the Soviet command made the decision to retool the factories to produce an improved version of the T-34. Its turret ring was enlarged from 1,425&nbsp;mm (56&nbsp;in) to 1,600&nbsp;mm (63&nbsp;in), allowing a larger turret to be fitted supporting the larger 85&nbsp;mm gun. The prototype T-43's turret design was hurriedly adopted by Vyacheslav Kerichev at the [[Krasnoye Sormovo Factory]] to fit the T-34.<ref>{{harvnb|Zaloga|Grandsen|1984|p=166}}</ref> This was a larger three-man turret, with radio (previously in the hull) and observation cupola in the roof. Now the tank commander needed only to command (aided by cupola and radio systems), leaving the operation of the gun to the gunner and the loader. The turret was bigger and less sloped than the original T-34 turret, making it a bigger target (due to the three-man crew and bigger gun), but with thicker 90&nbsp;mm armour, making it more resistant to enemy fire. The shells were 50% heavier (9&nbsp;kg) and were much better in the anti-armour role, and reasonable in a general purpose role, though only 55–60 could be carried, instead of 90–100 of the earlier shells. The resulting new tank, the T-34-85, was seen as a compromise between advocates for the T-43 and others who wanted to continue to build as many 76&nbsp;mm-armed T-34s as possible without interruption.<ref>{{cite web|url=http://www.militaryfactory.com/armor/detail.asp?armor_id=63|title=T-34/85 – Medium Tank – History, Specs and Pictures – Military Tanks, Vehicles and Artillery|access-date=15 November 2014|archive-date=28 November 2014|archive-url=https://web.archive.org/web/20141128225243/http://www.militaryfactory.com/armor/detail.asp?armor_id=63|url-status=live}}</ref>


[[File:T-34-85 interior Parola Tank Museum.jpg|thumb|Interior of a T-34-85 viewed from the driver's hatch, showing the ammunition boxes on which the loader had to stand in the absence of a turret basket. In the foreground is the driver's seat. Levers for radiator flaps can be seen on the firewall.]]
[[File:T-34-85 interior Parola Tank Museum.jpg|thumb|Interior of a T-34-85 viewed from the driver's hatch, showing the ammunition boxes on which the loader had to stand in the absence of a turret basket. In the foreground is the driver's seat. Levers for radiator flaps can be seen on the firewall.]]


Production of the T-34-85 began in January 1944 at Factory No. 112, first using the D-5T 85&nbsp;mm gun. Parallel to the production of the T-34-85 with the D-5T gun, production of the T-34-85 using the S-53 gun (later to be modified and redesignated as the ZIS-S-53 gun) began in February 1944 at Factory No. 112.<ref>{{cite book |last1=Michulec |first1=Robert |title=T-34 Mythical Weapon |date=2007 |publisher=Airconnection |isbn=978-0978109103 |pages=197–201 }}</ref> The improved T-34-85 became the standard Soviet medium tank, with an uninterrupted production run until the end of the war. A T-34-85 initially cost about 30 percent more to produce than a Model 1943, at 164,000 [[ruble]]s; by 1945 this had been reduced to 142,000 rubles.<ref name="harrison2002">[[#Reference-Harrison-2002|Harrison 2002:181]]</ref> During the course of the [[World War II]], the cost of a T-34 tank was reduced by almost half, from 270,000 rubles in 1941,<ref name="harrison2002" /> while in the meantime its top speed remained about the same, and its main gun's armour penetration and turret frontal armour thickness both nearly doubled.<ref>[[#Reference-Zaloga-1984|Zaloga 1984:113, 184, 225]]</ref>
Production of the T-34-85 began in January 1944 at Factory No. 112, first using the D-5T 85&nbsp;mm gun. Parallel to the production of the T-34-85 with the D-5T gun, production of the T-34-85 using the S-53 gun (later to be modified and redesignated as the ZIS-S-53 gun) began in February 1944 at Factory No. 112.<ref>{{harvnb|Michulec |Zientarzewski |2006 |pp=197–201 }}</ref> The improved T-34-85 became the standard Soviet medium tank, with an uninterrupted production run until the end of the war. A T-34-85 initially cost about 30 percent more to produce than a Model 1943, at 164,000&nbsp;[[Soviet rouble|Rbl]]s; by 1945 this had been reduced to 142,000&nbsp;Rbls <ref name="harrison2002">[[#Reference-Harrison-2002|Harrison 2002:181]]</ref> during the course of [[World War II]] the cost of a T-34 tank had almost halved, from 270,000&nbsp;Rbls in 1941,<ref name="harrison2002" /> while its top speed remained about the same, and its main gun's armour penetration and turret frontal armour thickness both nearly doubled.<ref>{{harvnb|Zaloga|Grandsen|1984|pp=113, 184, 225}}</ref>


The T-34-85 gave the Red Army a tank with better armour and mobility than the German Panzer IV tank and StuG III assault gun. While it could not match the armour or weapons of the heavier Panther and Tiger tanks, its improved firepower made it much more effective than earlier models, and overall it was more cost-effective than the heaviest German tanks. In comparison with the T-34-85 program, the Germans instead chose an upgrade path based on the introduction of completely new, expensive, heavier, and more complex tanks, greatly slowing the growth of their tank production and aiding the Soviets in maintaining a substantial numerical superiority in tanks.<ref>[[#Reference-Zaloga-1983|Zaloga & Grandsen 1983:37]]</ref> By May 1944, T-34-85 production had reached 1,200 tanks per month.<ref>[[#Reference-Zaloga-1997|Zaloga et al. 1997:6]]</ref> In the entire war, production figures for all Panther types reached no more than 6,557, and for all Tiger types (including the Tiger I and Tiger II) 2,027.<ref>Tom Philo, "[http://www.taphilo.com/history/WWII/Production-Figures-WWII.shtml Selected Equipment Production Figures World War II]". at ''Tom Philo Photography'' website, retrieved on July 4, 2013</ref> Production figures for the T-34-85 alone reached 22,559.{{Citation needed|date=March 2017}}
The T-34-85 gave the Red Army a tank with better armour and mobility than the German Panzer IV tank and StuG III assault gun. While it could not match the armour or weapons of the heavier Panther and Tiger tanks, its improved firepower made it much more effective than earlier models, and overall it was more cost-effective than the heaviest German tanks. In comparison with the T-34-85 program, the Germans instead chose an upgrade path based on the introduction of completely new, expensive, heavier, and more complex tanks, greatly slowing the growth of their tank production and helping the Soviets to maintain a substantial numerical superiority in tanks.<ref>{{harvnb|Zaloga | Grandsen |1983 |p=37}}</ref> By May 1944, T-34-85 production had reached 1,200 tanks per month.<ref>{{harvnb|Zaloga| Kinnear |Aksenov |Koshchavtsev |1997 |p=6 }}</ref> In the entire war, production figures for all Panther types reached no more than 6,557, and for all Tiger types (including the Tiger&nbsp;I and [[Tiger II]]) 2,027.<ref>Tom Philo, "[http://www.taphilo.com/history/WWII/Production-Figures-WWII.shtml Selected Equipment Production Figures World War II] {{Webarchive|url=https://web.archive.org/web/20170326230732/http://www.taphilo.com/history/WWII/Production-Figures-WWII.shtml |date=2017-03-26 }}". at ''Tom Philo Photography'' website, retrieved on 4 July 2013</ref> Production figures for the T-34-85 alone reached 22,559.{{Citation needed|date=March 2017}}


On 12 January 1945, a column of Tiger IIs among other tanks from 424th Heavy Panzer Battalion were involved in a short-range engagement with T-34 85 tanks near the village of [[Lisów, Kielce County|Lisow]]. 40 T-34-85 tanks commanded by colonel N. Zhukov were attacked by the 424th Heavy Panzer battalion which had been reinforced by 13 Panthers. The Germans permanently lost 5 Tiger IIs, 7 Tiger Is and 5 Panthers for the loss of 4 T-34 85 tanks burnt out.<ref>https://worldoftanks.ru/ru/news/history/lisuv_battle_1945/</ref>{{unreliable source|date=August 2020}}<ref>Zaitsev V.I. Guards Tank. Sverdlovsk, 1989</ref>
On 12 January 1945, a column of Tiger&nbsp;IIs and other tanks from 424th Heavy Panzer Battalion were involved in a short-range engagement with T-34-85 tanks near the village of [[Lisów, Kielce County|Lisow]]. Forty T-34-85 tanks commanded by Colonel N. Zhukov were attacked by the 424th Heavy Panzer battalion, which had been reinforced by 13 Panthers. The Germans permanently lost five Tiger IIs, seven Tiger Is and five Panthers for the loss of four T-34-85 tanks burnt out.<ref>{{cite web |url=https://worldoftanks.ru/ru/news/history/lisuv_battle_1945/ |title="Тигровый армагеддон" у Лисува |trans-title="Tiger Armageddon" at Lisuwa |language=ru |publisher=World of Tanks |first1=Alexander |last1=Tomzov |first2=Vladimir |last2=Pinaev |date=8 April 2016 |access-date=2 March 2022 |archive-date=23 January 2022 |archive-url=https://web.archive.org/web/20220123234314/https://worldoftanks.ru/ru/news/history/lisuv_battle_1945/ |url-status=live }}</ref>{{unreliable source?|date=August 2020}}<ref>Zaitsev V.I. Guards Tank. Sverdlovsk, 1989</ref>


===German use of T-34s===
===German use of T-34s===
[[File:Bundesarchiv Bild 101I-277-0836-04, Russland, erbeutete russische T-34 Panzer.jpg|thumb|Captured T-34 Model 1943 tanks pressed into service with the [[Wehrmacht]], January 1944]]
[[File:Bundesarchiv Bild 101I-277-0836-04, Russland, erbeutete russische T-34 Panzer.jpg|thumb|Captured T-34 Model 1943 tanks pressed into service with the [[Wehrmacht]], January 1944]]


The German army often employed as much captured [[materiel]] as possible and T-34s were not an exception. Fighting on the Eastern Front saw large numbers of T-34s captured, though few were T-34-85s. These were designated by the Germans as Panzerkampfwagen T-34 747(r). From late 1941, captured T-34s were transported to a German workshop for repairs and modification to German requirements. In 1943 a local tank factory in [[Kharkov]] was used for this purpose. These were sometimes modified to German standards by the installation of a German commander's cupola and radio equipment.{{Citation needed|date=June 2016}}
The German army often employed as much captured [[materiel]] as possible and T-34s were not an exception. Large numbers of T-34s were captured in fighting on the Eastern Front though few were T-34-85s. These were designated by the Germans as ''Panzerkampfwagen T-34 747(r)''. From late 1941, captured T-34s were transported to a German workshop for repairs and modification to German requirements. In 1943 a local tank factory in [[Kharkiv]] was used for this purpose.<ref>{{cite book |last1=Regenberg |first1=Werner |title=Captured Tanks Under the German Flag: Russian Battle Tanks |date=1990 |publisher=Schiffer Publishing |location=United States |isbn=0887402011 |page=29}}</ref> These were sometimes modified to German standards by the installation of a German commander's cupola and radio equipment.{{Citation needed|date=June 2016}}

The first captured T-34s entered German service during the summer of 1941. In order to prevent [[Friendly fire|recognition mistakes]], large-dimension [[Balkenkreuz|crosses]] or even [[swastika]]s were painted on the tanks, including on top of the turret, in order to prevent attack by [[Axis powers|Axis]] aircraft. Badly damaged tanks were either dug in as [[Pillbox (military)|pillboxes]] or were used for testing and training purposes.{{Citation needed|date=June 2016}}


After the end of World War II, East Germany continued to utilize the T-34.<ref name="SIPRI" />
The first captured T-34s entered German service during the summer of 1941. In order to prevent recognition mistakes, large-dimension crosses or even swastikas were painted on the tanks, including on top of the turret, in order to prevent strikes from [[Axis powers|Axis]] aircraft. Badly damaged tanks were either dug in as pillboxes or were used for testing and training purposes.


===Manchurian campaign (August 1945)===
===Manchurian campaign (August 1945)===
{{Main|Soviet invasion of Manchuria}}
{{Main|Soviet invasion of Manchuria}}


Just after midnight on 9 August 1945, though the terrain was believed by the Japanese to be impassable by armoured formations, the Soviet Union invaded [[Manchukuo|Japanese-occupied Manchuria]]. Red Army combined-arms forces achieved complete surprise and used a powerful, deep-penetrating attack in a classic double encirclement pattern, spearheaded by the T-34-85. The opposing Japanese forces had been reduced as elite units had been drawn off to other fronts and the remaining forces were in the middle of a redeployment. The Japanese tanks remaining to face them were all held in the rear and not used in combat; the Japanese had weak support from [[Imperial Japanese Army Air Force|IJAAF]] forces, engineering, and communications. Japanese forces were overwhelmed, though some put up resistance. The Japanese emperor transmitted a surrender order on 14 August, but the [[Kwangtung Army]] was not given a formal cease-fire until 17 August.<ref name=GlobalSecurity>Marine Corps University Command and Staff College (1986) [http://www.globalsecurity.org/military/library/report/1986/RMF.htm "The Soviet Army Offensive: Manchuria, 1945."] Global Security website.</ref>
Just after midnight on 9 August 1945, though the terrain was believed by the Japanese to be impassable by armoured formations, the Soviet Union invaded [[Manchukuo|Japanese-occupied Manchuria]].{{sfn|Leavenworth Papers No. 8|page=1}} Red Army combined-arms forces achieved complete surprise and used a powerful, deep-penetrating attack in a classic double encirclement pattern, spearheaded by the T-34-85. The opposing Japanese forces had been reduced as elite units had been drawn off to other fronts and the remaining forces were in the middle of a redeployment.{{sfn|Glantz|1983|pages=25−33}}<ref>{{cite web |last1=Hiestand |first1=William E. |title=Soviet Tanks in Manchuria 1945: The Red Army's ruthless last blitzkrieg of World War II |url=https://ospreypublishing.com/uk/osprey-blog/2023/soviet-tanks-in-manchuria-1945-the-red-army-s-ruthless-last-blitzkrieg-of-world-war-ii/ |website=Osprey Blog |publisher=Osprey Publishing |access-date=26 September 2023}}</ref> The Japanese tanks remaining to face them were all held in the rear and not used in combat; the Japanese had weak support from [[Imperial Japanese Army Air Force|IJAAF]] forces, engineering, and communications. Japanese forces were overwhelmed, though some put up resistance. The Japanese emperor transmitted a surrender order on 14 August, but the [[Kwantung Army]] was not given a formal cease-fire until 17 August.{{sfn|MacArthur|United States Army Center of Military History|1994|pages=727−745}}


===Korean War (1950–1953)===
===Korean War (1950–1953)===
[[File:T-34 knocked out September 1950.jpg|thumb|left|[[United States Marine Corps|US Marines]] knocked out this North Korean T-34-85 in September 1950 while American and [[United Nations]] forces [[Second Battle of Seoul|advanced on]] [[Seoul]] after their successful [[Battle of Inchon|amphibious landings at Inchon]] during the [[Korean War]]. At least two penetrating hits can be seen on the tank's front.]]
[[File:T-34 knocked out in Korea, September 1950.jpg|thumb|[[United States Marine Corps|US Marines]] knocked out this North Korean T-34-85 in September 1950 while US and [[United Nations]] forces [[Second Battle of Seoul|advanced on]] [[Seoul]] after their successful [[Battle of Inchon|amphibious landings at Inchon]] during the [[Korean War]]. At least two penetrating hits can be seen on the tank's front.]]


A full [[North Korean People's Army]] (NKPA) brigade equipped with about 120 Soviet-supplied T-34-85s spearheaded the [[Korean War#North Korea escalates the conflict (June 1950)|invasion of South Korea]] in June 1950.<ref>[[#Reference-Perrett-1987|Perrett 1987:134-35]]</ref> The WWII-era 2.36-inch [[bazooka]]s initially used by the American troops in Korea were useless against the KPA's T-34 tanks,<ref name="Perrett 1987:135">[[#Reference-Perrett-1987|Perrett 1987:135]]</ref> as were the 75&nbsp;mm main guns of the [[M24 Chaffee]] light tank.<ref name="auto5">[[#Reference-Zaloga-1996|Zaloga & Kinnear 1996:36]]</ref> However, following the introduction of heavier and more capable armour into the war by US and UN forces, such as the American [[M4 Sherman]], [[M26 Pershing]] and [[M46 Patton]] tanks, as well as the British [[Comet tank|Comet]] and [[Centurion tank|Centurion]] tanks, the KPA began to suffer more T-34 tank losses in combat from enemy armour, aside from further losses due to numerous US/UN airstrikes and increasingly-effective anti-tank firepower for US/UN infantry on the ground, such as the then-new 3.5-inch M20 "Super Bazooka" (replacing the earlier 2.36-inch model). By the time the KPA were forced to withdraw from the south, about 239 T-34s and 74 [[SU-76]] assault guns had been lost or abandoned.<ref name="Perrett 1987:135"/> After October 1950, KPA armour was rarely encountered. Despite China's entry into the conflict in the following month, no major armour deployments were carried out by them, as the Chinese focus was on massed infantry attacks rather than large-scale armour assaults. Several T-34-85s and a few [[IS tank family|IS-2]] tanks were fielded, primarily dispersed amongst their infantry, thus making armoured engagements with US and UN forces rare from then on.<ref>[[#Reference-Zaloga-1996|Zaloga & Kinnear 1996:33-4]]</ref>
A full [[Korean People's Army|North Korean People's Army]] (KPA) brigade equipped with about 120 Soviet-supplied T-34-85s spearheaded the [[Korean War#North Korea|invasion of South Korea]] in June 1950.<ref>{{harvnb|Perrett|1987|pp=134–35}}</ref> The WWII-era [[bazooka|2.36-inch bazooka]]s initially used by the US troops in South Korea were useless against the KPA's T-34 tanks,<ref name="Perrett 1987:135">{{harvnb|Perrett|1987|p=135}}</ref> as were the 75&nbsp;mm main guns of the [[M24 Chaffee]] light tank.<ref name="auto5">{{harvnb|Zaloga|Kinnear| 1996|p=36}}</ref> However, following the introduction of heavier and more capable armour into the war by US and UN forces, such as the American M4 Sherman, [[M26 Pershing]] and [[M46 Patton]] tanks, as well as the British [[Comet tank|Comet]] and [[Centurion tank|Centurion]] tanks, the KPA began to suffer more T-34 tank losses in combat from enemy armour, aside from further losses due to numerous US/UN airstrikes and increasingly-effective anti-tank firepower for US/UN infantry on the ground, such as the then-new 3.5-inch [[M20 Super Bazooka|M20 "Super Bazooka"]] (replacing the earlier 2.36-inch model). By the time the NKPA were forced to withdraw from the south, about 239 T-34s and 74 [[SU-76]] assault guns had been lost or abandoned.<ref name="Perrett 1987:135"/> After October 1950, NKPA armour was rarely encountered. Despite China's entry into the conflict in the following month, no major armour deployments were carried out by them, as the Chinese focus was on massed infantry attacks rather than large-scale armour assaults. Several T-34-85s and a few [[IS tank family|IS-2]] tanks were fielded, primarily dispersed amongst their infantry, thus making armoured engagements with US and UN forces rare from then on.<ref>{{harvnb|Zaloga|Kinnear|1996|pp=33–34}}</ref>


A Chinese T-34 tank No. 215 from 4th Tank Regiment, 2nd Tank Division, allegedly destroyed four enemy tanks and damaged another M46 Patton tank during its fight from 6 to 8 July 1953. It also destroyed 26 bunkers,9 artillery pieces, and a truck.{{sfn|Lai|2012|p=39}} That tank is now preserved in the [[Military Museum of the Chinese People's Revolution]].{{sfn|Lai|2012|p=39}}
In summary, a 1954 US military survey concluded that there were, in all, 119 tanks vs. tank actions involving US Army and US Marine units against North Korean and Chinese forces during the Korean War, with 97 T-34-85 tanks knocked out and another 18 considered probable. American losses were somewhat greater.<ref>[[#Reference-Zaloga-2010|Zaloga 2010:74-75]]</ref>

In summary, a 1954 US military survey concluded that there were, in all, 119 tanks vs. tank actions involving US Army and US Marine units against North Korean and Chinese forces during the Korean War, with 97 T-34-85 tanks knocked out and another 18 considered probable. American losses were somewhat greater.<ref>[[#Reference-Zaloga-2010|Zaloga 2010]] pp74–75</ref>


===Angolan Civil War (1975–1988)===
===Angolan Civil War (1975–1988)===
[[File:FAPLA tank.jpg|thumb|Restored FAPLA T-34-85 at the [[South African National Museum of Military History]], [[Johannesburg]].]]
[[File:FAPLA tank.jpg|thumb|Restored FAPLA T-34-85 at the [[South African National Museum of Military History]], [[Johannesburg]].]]
One of the last modern conflicts which saw the extensive combat deployment of the T-34-85 was the [[Angolan Civil War]].<ref name=Tucker-Jones1>{{cite book|last=Tucker-Jones|first=Anthony|title=T-34: The Red Army's Legendary Medium Tank|date=2015|page=134|publisher=Pen & Sword Books, Ltd|location=Barnsley|isbn=978-1-78159-095-9}}</ref> In 1975, the Soviet Union shipped eighty T-34-85s to Angola as part of its support for the ongoing [[Cuban intervention in Angola|Cuban military intervention]] there.<ref name=Tucker-Jones1 /> Cuban crewmen instructed [[People's Armed Forces for the Liberation of Angola|FAPLA]] personnel in their operation; other FAPLA drivers and gunners accompanied Cuban crews in an apprentice role.<ref name="Cubans">{{cite book |first=Edward |last=George |title=The Cuban Intervention in Angola, 1965–1991: From Che Guevara to Cuito Cuanavale |url=https://archive.org/details/cubaninterventio00geor |url-access=limited |year=2005 |page=[https://archive.org/details/cubaninterventio00geor/page/n113 99] |publisher=Frank Cass |location=London |isbn=978-0-415-35015-0}}</ref>
One of the last modern conflicts which saw the extensive combat deployment of the T-34-85 was the [[Angolan Civil War]].<ref name=Tucker-Jones1>{{cite book|last=Tucker-Jones|first=Anthony|title=T-34: The Red Army's Legendary Medium Tank|date=2015|page=134|publisher=Pen & Sword Books, Ltd|location=Barnsley|isbn=978-1-78159-095-9}}</ref> In 1975, the Soviet Union shipped eighty T-34-85s to [[Angola]] as part of its support for the ongoing [[Cuban intervention in Angola|Cuban military intervention]] there.<ref name=Tucker-Jones1 /> Cuban crewmen instructed [[People's Armed Forces for the Liberation of Angola|FAPLA]] personnel in their operation; other FAPLA drivers and gunners accompanied Cuban crews in an apprentice role.<ref name="Cubans">{{cite book |first=Edward |last=George |title=The Cuban Intervention in Angola, 1965–1991: From Che Guevara to Cuito Cuanavale |url=https://archive.org/details/cubaninterventio00geor |url-access=limited |year=2005 |page=[https://archive.org/details/cubaninterventio00geor/page/n113 99] |publisher=Frank Cass |location=London |isbn=978-0-415-35015-0}}</ref>


FAPLA began deploying T-34-85s against the [[National Union for the Total Independence of Angola|UNITA]] and [[National Liberation Front of Angola|FNLA]] forces on June 9, 1975.<ref name=Dimensions>{{cite book|last1=Fauriol|first1=Georges Alfred|last2=Loser|first2=Eva|title=Cuba: The International Dimension|date=1990|page=[https://archive.org/details/cubainternationa00faur/page/141 141]|publisher=Transaction Publishers|location=New Brunswick|isbn=978-0-88738-324-3|url=https://archive.org/details/cubainternationa00faur/page/141}}</ref>
FAPLA began deploying T-34-85s against the [[National Union for the Total Independence of Angola|UNITA]] and [[National Liberation Front of Angola|FNLA]] forces on 9 June 1975.<ref name=Dimensions>{{cite book|last1=Fauriol|first1=Georges Alfred|last2=Loser|first2=Eva|title=Cuba: The International Dimension|date=1990|page=[https://archive.org/details/cubainternationa00faur/page/141 141]|publisher=Transaction Publishers|location=New Brunswick|isbn=978-0-88738-324-3|url=https://archive.org/details/cubainternationa00faur/page/141}}</ref>
The appearance of FAPLA and Cuban tanks prompted South Africa to reinforce UNITA with a single squadron of [[Eland Mk7|Eland-90]] armoured cars.<ref name="Dupreez">{{cite book|last=Du Preez|first=Sophia|title=Avontuur in Angola: Die verhaal van Suid-Afrika se soldate in Angola 1975–1976|page=182|publisher=J.L. van Schaik|isbn=978-0-627-01691-2|year=1989}}</ref>
The appearance of FAPLA and Cuban tanks prompted South Africa to reinforce UNITA with a single squadron of [[Eland Mk7|Eland-90]] armoured cars.<ref name="Dupreez">{{cite book|last=Du Preez|first=Sophia|title=Avontuur in Angola: Die verhaal van Suid-Afrika se soldate in Angola 1975–1976|page=182|publisher=J.L. van Schaik|isbn=978-0-627-01691-2|year=1989}}</ref>


===Other regions and countries===
===Other regions and countries===
====The Balkans====
====Balkans====
[[File:Serbisk T-34 85 trekkes tilbake.jpg|thumb|A Bosnian Serb Army T-34-85, with rubber matting added in an attempt to hide its thermal signature, near [[Doboj]] in early 1996.]]
[[File:Serbisk T-34 85 trekkes tilbake.jpg|thumb|A Bosnian Serb Army T-34-85, with rubber matting added in an attempt to hide its thermal signature, near [[Doboj]] in early 1996.]]
In early 1991, the [[Yugoslav People's Army]] possessed 250 T-34-85s, none of which were in active service.<ref name="Jane1991AA">{{cite book |last=Christopher F. Foss|title=Jane's Armour and Artillery|edition=1991|page=156 |publisher=Macdonald and Jane's Publishers Ltd|isbn=978-0-7106-0964-9}}</ref> During the breakup of Yugoslavia, the T-34-85s were inherited by the national armies of [[Croatia]], [[Bosnia-Herzegovina]], and [[Serbia and Montenegro]] and continued to see action during the [[Yugoslav Wars]].<ref name=Tucker-Jones1 /><ref name=Gow>{{cite book|last=Gow|first=James|title=The Serbian Project and Its Adversaries: A Strategy of War Crimes|date=2003|pages=91–92|publisher=McGill-Queen's University Press|location=Montreal |isbn=978-0-7735-2386-9}}</ref> Some were also acquired from Yugoslav reserve stocks by Serbian separatist armies, namely the [[Army of the Republic of Serb Krajina]] (SVK) and the [[Army of Republika Srpska]] (VRS).<ref name=Taylor1>{{cite book|last=Taylor|first=Scott|title=Unembedded: Two Decades of Maverick War Reporting|date=2009|page=128 |publisher=Douglas & MacIntyre, Publishers|location=Vancouver|isbn=978-1-55365-292-2}}</ref><ref name=Viney>{{cite book|last=Viney|first=Mark|title=United States Cavalry Peacekeepers in Bosnia: An Inside Account of Operation Joint Endeavor, 1996|date=2012|pages=35, 67|publisher=McFarland & Company, Publishers|location=Jefferson|isbn= 978-0-7864-6340-4}}</ref> Most of these tanks were in poor condition at the beginning of the conflict and some were soon rendered unserviceable, likely through inadequate maintenance and lack of spares.<ref name=Viney />


On 3 May 1995, a VRS T-34-85 attacked an [[UNPROFOR]] outpost manned by the 21st Regiment of the [[Royal Engineers]] in [[Maglaj]], Bosnia, injuring six British peacekeepers, with at least one of them sustaining a permanent disability.<ref>"[https://publications.parliament.uk/pa/ld199900/ldjudgmt/jd000406/walker-1.htm#prof Regina v. Ministry of Defence Ex Parte Walker]" (judgment), 6 April 2000. Retrieved November 17, 2008.</ref><ref>{{Cite web|url = http://hansard.millbanksystems.com/commons/1996/may/20/sergeant-trevor-walker|title = Sergeant Trevor Walker|accessdate = 25 June 2014|website = |last = |first = }}</ref> A number of T-34s being stored by the VRS at a base in [[Zvornik]] were temporarily confiscated by UNPROFOR as part of a local disarmament programme the following year.<ref name=Viney />


In early 1991, the [[Yugoslav People's Army]] possessed 250 T-34-85s, none of which were in active service.<ref name="Jane1991AA">{{cite book |last=Christopher F. Foss|title=Jane's Armour and Artillery|year=1991|edition=1991|page=156 |publisher=Macdonald and Jane's Publishers Ltd|isbn=978-0-7106-0964-9}}</ref> During the breakup of Yugoslavia, the T-34-85s were inherited by the national armies of [[Croatia]], [[Bosnia-Herzegovina]], and [[Serbia and Montenegro]] and continued to see action during the [[Yugoslav Wars]].<ref name="Tucker-Jones1" /><ref name="Gow">{{cite book|last=Gow|first=James|title=The Serbian Project and Its Adversaries: A Strategy of War Crimes|date=2003|pages=91–92|publisher=McGill-Queen's University Press|location=Montreal |isbn=978-0-7735-2386-9}}</ref> Some were also acquired from Yugoslav reserve stocks by Serbian separatist armies, namely the [[Army of the Republic of Serb Krajina]] (SVK) and the [[Army of Republika Srpska]] (VRS).<ref name="Taylor1">{{cite book|last=Taylor|first=Scott|title=Unembedded: Two Decades of Maverick War Reporting|date=2009|page=128 |publisher=Douglas & MacIntyre, Publishers|location=Vancouver|isbn=978-1-55365-292-2}}</ref><ref name="Viney">{{cite book|last=Viney|first=Mark|title=United States Cavalry Peacekeepers in Bosnia: An Inside Account of Operation Joint Endeavor, 1996|date=2012|pages=35, 67|publisher=McFarland & Company, Publishers|location=Jefferson|isbn= 978-0-7864-6340-4}}</ref> Most of these tanks were in poor condition at the beginning of the conflict and some were soon rendered unserviceable, likely through inadequate maintenance and lack of spares.<ref name="Viney" />
====The Middle East====

[[File:Flickr - Gaspa - Cairo, museo militare (4).jpg|thumbnail|left|Egyptian Army T-34-85 in the [[Egyptian Military museum]].]]
On 3 May 1995, a VRS T-34-85 attacked an [[UNPROFOR]] outpost manned by the 21st Regiment of the [[Royal Engineers]] in [[Maglaj]], Bosnia, injuring six British peacekeepers, with at least one of them sustaining a permanent disability.<ref>"[https://publications.parliament.uk/pa/ld199900/ldjudgmt/jd000406/walker-1.htm#prof Regina v. Ministry of Defence Ex Parte Walker] {{Webarchive|url=https://web.archive.org/web/20180121071556/https://publications.parliament.uk/pa/ld199900/ldjudgmt/jd000406/walker-1.htm#prof |date=2018-01-21 }}" (judgment), 6 April 2000. Retrieved 17 November 2008.</ref><ref>{{cite web|url = https://api.parliament.uk/historic-hansard/commons/1996/may/20/sergeant-trevor-walker|title = Sergeant Trevor Walker|access-date = 25 June 2014|archive-date = 27 December 2012|archive-url = https://web.archive.org/web/20121227213213/http://hansard.millbanksystems.com/commons/1996/may/20/sergeant-trevor-walker|work = [[Hansard|Parliamentary Debates (Hansard)]]|date = 20 May 1996|url-status = live}}</ref> A number of T-34s being stored by the VRS at a base in [[Zvornik]] were temporarily confiscated by UNPROFOR as part of a local disarmament programme the following year.<ref name=Viney />
[[File:T-100-latrun-2.jpg|thumbnail|Egyptian Army T-34-122 in the Yad la-Shiryon Museum, Israel. 2005.]]

Czechoslovak-produced T-34-85s were used by Egypt in the Arab-Israeli Wars of 1956 and 1967 in the Sinai Peninsula. Egypt went on to build the T-34-100, a local and unique conversion that was made up of a Soviet BS-3 100&nbsp;mm heavy field-artillery gun mounted within a heavily modified turret, as well as the T-34-122 mounting the D-30 gun. In 1956, they were used as regular tanks to support Egyptian infantry, the tank was still in use by the 1973 October war.
====Middle East====

[[File:T-100-latrun-2.jpg|thumbnail|left|Egyptian Army T-34-100 in the Yad la-Shiryon Museum, Israel. 2005.]]
Czechoslovak-produced T-34-85s were used by Egypt in the [[Suez Crisis|Arab-Israeli Wars of 1956]] and 1967 ([[Six-Day War]]) in the [[Sinai Peninsula]]. Egypt went on to build the T-34-100, a local and unique conversion that was made up of a Soviet BS-3 100&nbsp;mm heavy field-artillery gun mounted within a heavily modified turret, as well as the T-34-122 mounting the D-30 gun. In 1956, they were used as regular tanks to support Egyptian infantry, the tank was still in use by the [[Yom Kippur War]] in October 1973.


[[File:Flickr - Gaspa - Cairo, museo militare (4).jpg|thumbnail|Egyptian Army T-34-85 in the [[Egyptian Military museum]].]]
The Syrian Army also received T-34-85s from the Soviet Union and they took part in the many artillery duels with Israeli tanks in November 1964 and in the [[Six-Day War]] of 1967.
The Syrian Army also received T-34-85s from the Soviet Union and they took part in the many artillery duels with Israeli tanks in November 1964 and in the [[Six-Day War]] of 1967.


====The Warsaw Pact====
====Warsaw Pact====
T-34-85s equipped many of the armies of Eastern European countries (later forming the [[Warsaw Pact]]) and the armies of other Soviet client-states elsewhere. East German, Hungarian and Soviet T-34-85s served in the suppression of the [[Uprising of 1953 in East Germany|East German uprising]] of 17 June 1953 as well as the [[Hungarian Revolution of 1956]].
T-34-85s equipped many of the armies of Eastern European countries (later forming the [[Warsaw Pact]]) and the armies of other Soviet client-states elsewhere. [[East Germany|East German]], Hungarian and Soviet T-34-85s served in the suppression of the [[Uprising of 1953 in East Germany|East German uprising]] of 17 June 1953 as well as the [[Hungarian Revolution of 1956]].


====Afghanistan====
====Afghanistan====
T-34-85s were sporadically available in [[Afghanistan]]. During the [[Soviet-Afghan War]], most of the T-34s were fielded by the [[Sarandoy]] internal security forces. Some were also kept in service with the [[Democratic Republic of Afghanistan#Military|Army of the Democratic Republic of Afghanistan]].<ref>{{cite book|title=Armor of the Afghanistan War|first1=Steven |last1=Zaloga|first2= Wojciech |last2=Luczak|first3= Barry |last3=Beldam|publisher=Concord Publications|series = Armor 2009|year=1992|isbn=978-9623619097|pages=9–10}}</ref>
T-34-85s were sporadically available in [[Afghanistan]]. During the [[Soviet–Afghan War]], most of the T-34s were fielded by the [[Sarandoy]] internal security forces. Some were also kept in service with the [[Military of the Democratic Republic of Afghanistan|Army of the Democratic Republic of Afghanistan]].<ref>{{cite book|title=Armor of the Afghanistan War|first1=Steven |last1=Zaloga|first2=Wojciech |last2=Luczak|first3=Barry |last3=Beldam|publisher=Concord Publications|series=Armor 2009|year=1992|isbn=978-9623619097|pages=9–10}}</ref>


====China====
====China====
[[File:PRC T-34 1950.jpg|thumb|T-34-85s of the [[People's Liberation Army]] on [[Tiananmen Square]] at the 1950 Chinese National Day parade.]]
[[File:PRC T-34 1950.jpg|thumb|T-34-85s of the [[People's Liberation Army]] on [[Tiananmen Square]] at the 1950 Chinese National Day parade.]]


After the formation of the People's Republic of China (the PRC) in 1949, the Soviet Union sent many T-34-85s to the PRC's People's Liberation Army (the PLA). Although during decades of service time there are plenty of modifications that make some visual differences between original T-34-85 and the Chinese T-34-85, and [[Inner Mongolia First Machinery Group Corporation|Factory 617]] had the ability to produce every single part of T-34-85, there was no single T-34-85 that actually produced in China. The production plan of the T-34-85 in China was ended soon after once the PRC received T-54A main battle tanks from the Soviet Union and began to build the Type 59 tank, which was a licensed production version of T-54A.<ref>王立等主编:《当代中国的兵器工业》,当代中国出版社,1993年.</ref>
After the formation of the People's Republic of China (PRC) in 1949, the Soviet Union sent many T-34-85s to the PRC's People's Liberation Army (PLA). [[Inner Mongolia First Machinery Group Corporation|Factory 617]] had the ability to produce every part of the T-34-85, and during decades of service many modifications were made that visibly distinguish the PRC T-34-85 from the original specification, but no T-34-85 was actually made in China. The production plan of the T-34-85 in China was ended soon after the PRC received [[T-54/T-55|T-54A]] main battle tanks from the Soviet Union and began to build the [[Type 59 tank|Type 59]] tank, a licensed production version of the T-54A.<ref>王立等主编:《当代中国的兵器工业》,当代中国出版社,1993年.</ref>


====Cuba====
====Cuba====
[[File:Russian T-34 tank in Museo Giron.jpg|thumb|left|T-34-85 tank in Museo Giron, Cuba]]
[[File:Russian T-34 tank in Museo Giron.jpg|thumb|left|T-34-85 tank in Museo Giron, Cuba]]


Cuba received 150 T-34-85 tanks as military aid from the Soviet Union in 1960. The T-34-85 was the first Soviet tank to enter service with the [[Cuban Revolutionary Armed Forces]] (FAR), along with the [[IS tank family|IS-2]]. Many T-34-85 tanks first saw action in April 1961 during the [[Bay of Pigs Invasion]] with an unknown number destroyed or knocked out during the battle.<ref name="trade">{{cite web|url=http://armstrade.sipri.org/armstrade/page/trade_register.php|title=Trade Registers|date=|publisher=Armstrade.sipri.org|accessdate=2013-06-20}}</ref> In 1975, large quantities of T-34-85s were also donated from the USSR to the FAR to support its lengthy intervention in the Angolan Civil War.<ref name=Tucker-Jones1 />
Cuba received 150 T-34-85 tanks as military aid from the Soviet Union in 1960. The T-34-85 was the first Soviet tank to enter service with the [[Cuban Revolutionary Armed Forces]] (FAR), along with the [[IS tank family|IS-2]]. Many T-34-85 tanks first saw action in April 1961 during the [[Bay of Pigs Invasion]] with an unknown number destroyed or knocked out during the battle.<ref name="trade">{{cite web|url=http://armstrade.sipri.org/armstrade/page/trade_register.php|title=Trade Registers|publisher=Armstrade.sipri.org|access-date=20 June 2013|archive-date=14 April 2010|archive-url=https://web.archive.org/web/20100414022558/http://armstrade.sipri.org/armstrade/page/trade_register.php|url-status=live}}</ref> In 1975, many T-34-85s were also donated by the USSR to the FAR to support its lengthy intervention in the Angolan Civil War.<ref name=Tucker-Jones1 />


A platoon of five Cuban T-34-85s saw combat in Angola against South African troops during the [[Battle of Cassinga]]. The tanks were based along with a company of Cuban mechanized infantry equipped with [[BTR-152]] armoured personnel carriers. In May 1978, South Africa launched a major airborne raid on [[Cassinga]] with the objective of destroying a [[South West African People's Organization|South West African People's Organisation]] (SWAPO) base there. The Cuban forces were mobilised to stop them. As they approached Cassinga they were strafed by South African aircraft, which destroyed most of the BTR-152s and three of the T-34-85s; a fourth T-34-85 was disabled by an anti-tank mine buried in the road. The remaining tank continued to engage the withdrawing South African paratroops from a [[hull down]] position until the battle was over.<ref name="Steenkamp1">{{cite book|title=Borderstrike! South Africa into Angola|last=Steenkamp|first=Willem|publisher=Butterworths Publishers|year=1983|isbn=978-0-409-10062-4|location=Durban|pages=19}}</ref>
A platoon of five Cuban T-34-85s saw combat in Angola against South African troops during the [[Battle of Cassinga]]. The tanks were based along with a company of Cuban mechanized infantry equipped with [[BTR-152]] armoured personnel carriers. In May 1978, South Africa launched a major airborne raid on [[Cassinga]] with the objective of destroying a [[SWAPO]] (South West African People's Organisation) base there. The Cuban forces were mobilised to stop them. As they approached Cassinga they were strafed by South African aircraft, which destroyed most of the BTR-152s and three of the T-34-85s; a fourth T-34-85 was disabled by an anti-tank mine buried in the road. The remaining tank continued to engage the withdrawing South African paratroops from a [[hull down]] position until the battle was over.<ref name="Steenkamp1">{{cite book|title=Borderstrike! South Africa into Angola|last=Steenkamp|first=Willem|publisher=Butterworths Publishers|year=1983|isbn=978-0-409-10062-4|location=Durban|page=19}}</ref>


Over a hundred Cuban T-34-85s and their respective crews remained in Angola as of the mid 1980s. In September 1986, Cuban president [[Fidel Castro]] complained to General Konstantin Kurochkin, head of the Soviet military delegation to Angola, that his men could no longer be expected to fight South African armour with T-34s of "World War II vintage"; Castro insisted that the Soviets furbish the Cuban forces with a larger quantity of T-55s.<ref name="Gleijeses">{{cite book|title=Visions of Freedom: Havana, Washington, Pretoria, and the Struggle for Southern Africa, 1976–1991|last=Gleijeses|first=Piero|publisher=University of North Carolina Press|year=2013|isbn=978-1-4696-0968-3|location=Chapel Hill|page=369}}</ref> By 1987 Castro's request appeared to have been granted, as Cuban tank battalions were able to deploy substantial numbers of T-54Bs, T-55s, and T-62s; the T-34-85 was no longer in service.<ref name="Bush">{{cite book |last1=Tokarev |first1=Andrei |last2=Shubin |first2=Gennady |title=Bush War: The Road to Cuito Cuanavale : Soviet Soldiers' Accounts of the Angolan War|edition= 2011|pages=107–168 |publisher=Jacana Media (Pty) Ltd|isbn=978-1-4314-0185-7|year=2011 }}</ref>
Over a hundred Cuban T-34-85s and their respective crews remained in Angola as of the mid 1980s. In September 1986, Cuban president [[Fidel Castro]] complained to General Konstantin Kurochkin, head of the Soviet military delegation to Angola, that his men could no longer be expected to fight South African armour with T-34s of "World War II vintage"; Castro insisted that the Soviets furbish the Cuban forces with a larger quantity of T-55s.<ref name="Gleijeses">{{cite book|title=Visions of Freedom: Havana, Washington, Pretoria, and the Struggle for Southern Africa, 1976–1991|last=Gleijeses|first=Piero|publisher=University of North Carolina Press|year=2013|isbn=978-1-4696-0968-3|location=Chapel Hill|page=369}}</ref> By 1987 Castro's request appeared to have been granted, as Cuban tank battalions were able to deploy substantial numbers of T-54Bs, T-55s, and T-62s; the T-34-85 was no longer in service.<ref name="Bush">{{cite book |last1=Tokarev |first1=Andrei |last2=Shubin |first2=Gennady |title=Bush War: The Road to Cuito Cuanavale : Soviet Soldiers' Accounts of the Angolan War|edition= 2011|pages=107–168 |publisher=Jacana Media (Pty) Ltd|isbn=978-1-4314-0185-7|year=2011 }}</ref>


====Cyprus====
====Cyprus====
[[Cypriot National Guard]] forces equipped with some 35 T-34-85 tanks helped to support a coup by the [[Greek military junta of 1967–1974|Greek junta]] against President [[Makarios III|Archbishop Makarios]] on 15 July 1974. They also saw extensive action against Turkish forces during the [[Turkish invasion of Cyprus|Turkish invasion]] in July and August 1974, with two major actions at [[Kioneli]] and at [[Kyrenia]] on 20 July 1974.<ref>[[#Reference-Drousiotis-2006|Drousiotis, 2006]].</ref>
[[Cypriot National Guard]] forces equipped with some 35 T-34-85 tanks helped to support [[1974 Cypriot coup d'état|a coup]] by the [[Greek military junta of 1967–1974|Greek junta]] against President [[Makarios III|Archbishop Makarios]] on 15 July 1974. They also saw extensive action against Turkish forces during the [[Turkish invasion of Cyprus|Turkish invasion]] in July and August 1974, with two major actions at [[Kioneli]] and at [[Kyrenia]] on 20 July 1974.<ref>{{cite book|last= Drousiotis |first= Makarios |date=2006 |title=Cyprus 1974: The Greek coup and the Turkish invasion |publisher=Bibliopolis |isbn=3-933925-76-2}}</ref>{{page needed|date=August 2022}}


====Namibia====
====Namibia====
In 1984, the South West African People's Organisation ([[SWAPO]]) made a concerted attempt to establish its own conventional armoured battalion through its armed wing, the [[People's Liberation Army of Namibia]].<ref name="Windhoek">{{cite news|title=SWAPO strengthened by Red T-34 tanks|last=<!--Staff writer(s); no by-line.-->|url=https://books.google.com/books?id=_5QEAQAAIAAJ |work=Windhoek Advertiser|location=Windhoek, South West Africa (Namibia)|date=12 October 1984|accessdate=4 February 2017}}</ref> As part of this effort, SWAPO diplomatic representatives in Europe approached the [[German Democratic Republic]] with a request for ten T-34 tanks, which were delivered.<ref name=Schleicher>{{cite book |last1=Schleicher|first1=Hans-Georg|last2=Schleicher|first2=Ilona|title=Special flights: the GDR and liberation movements in southern Africa|date=1998|page=213|publisher=SAPES Books|location=Harare |isbn=978-1-77905-071-7}}</ref> SWAPO T-34s were never deployed during offensive operations against the South African military, being confined to the role of protecting strategic bases inside northern Angola.<ref name="Windhoek" /><ref name=Legum>{{cite book|last=Legum|first=Colin|title=The battlefronts of Southern Africa|date=1987|pages=[https://archive.org/details/battlefrontsofso0000legu/page/343 343]|publisher=Holmes & Meier Publishers|location=New York|isbn=978-0-8419-1144-4|url=https://archive.org/details/battlefrontsofso0000legu/page/343}}</ref>
In 1984, the [[SWAPO|South West African People's Organisation]] (SWAPO) made a concerted attempt to establish its own conventional armoured battalion through its armed wing, the [[People's Liberation Army of Namibia]] (PLAN).<ref name="Windhoek">{{cite news|title=SWAPO strengthened by Red T-34 tanks|last=<!--Staff writer(s); no by-line.-->|url=https://books.google.com/books?id=_5QEAQAAIAAJ|work=Windhoek Advertiser|location=Windhoek, South West Africa (Namibia)|date=12 October 1984|access-date=4 February 2017|archive-date=31 March 2023|archive-url=https://web.archive.org/web/20230331150843/https://books.google.com/books?id=_5QEAQAAIAAJ|url-status=live}}</ref> As part of this effort, SWAPO diplomatic representatives in Europe approached the [[German Democratic Republic]] with a request for ten T-34 tanks, which were delivered.<ref name=Schleicher>{{cite book |last1=Schleicher|first1=Hans-Georg|last2=Schleicher|first2=Ilona|title=Special flights: the GDR and liberation movements in southern Africa|date=1998|page=213|publisher=SAPES Books|location=Harare |isbn=978-1-77905-071-7}}</ref> PLAN T-34s were never deployed during offensive operations against the South African military, being confined to the role of protecting strategic bases inside northern Angola.<ref name="Windhoek" /><ref name=Legum>{{cite book|last=Legum|first=Colin|title=The battlefronts of Southern Africa|date=1987|pages=[https://archive.org/details/battlefrontsofso0000legu/page/343 343]|publisher=Holmes & Meier Publishers|location=New York|isbn=978-0-8419-1144-4|url=https://archive.org/details/battlefrontsofso0000legu/page/343 |via=archive.org}}</ref>


By 1988 most of them had been stationed near Luanda, where their crews received training from Cuban instructors. In March 1989, SWAPO inexplicably moved all its armoured units south towards the Namibian border. South Africa accused SWAPO of planning a major offensive to influence Namibia's [[Namibian parliamentary election, 1989|pending general elections]], but the tank crews remained stationary and even refrained from intervening in a series of renewed clashes later that year.<ref name="Stiff">{{cite book|title=Nine Days of War|last=Stiff|first=Peter|date=1989|publisher=Lemur Books (Pty) Ltd|isbn=978-0-620-14260-1|location=Alberton|pages=20, 89, 260}}</ref> All SWAPO T-34s were finally repatriated to Namibia at the movement's expense, following Namibian independence in 1990.<ref name="Stiff2">{{cite book|last=Stiff|first=Peter|title=Warfare by Other Means: South Africa in the 1980s and 1990s|date=2001|page=379|publisher=Galago Publishing Pty Ltd|location=Johannesburg|isbn=978-1-919854-01-4}}</ref> Four later entered service with the new [[Namibian Army]].<ref name="congo">{{cite web|url=http://www.crisisgroup.org/~/media/Files/africa/central-africa/dr-congo/Scramble%20for%20the%20Congo%20Anatomy%20of%20an%20Ugly%20War.pdf |title=Scramble for the Congo – Anatomy of an Ugly War |publisher=ICG Africa |date=2000-12-20 |accessdate=2013-06-18 |url-status=dead |archiveurl=https://web.archive.org/web/20131029201147/http://www.crisisgroup.org/~/media/Files/africa/central-africa/dr-congo/Scramble%20for%20the%20Congo%20Anatomy%20of%20an%20Ugly%20War.pdf |archivedate=2013-10-29 }}</ref>
By 1988 the PLAN T-34-85s had been stationed near [[Luanda]], where their crews received training from Cuban instructors.<ref name="Stiff">{{cite book|title=Nine Days of War|last=Stiff|first=Peter|date=1989|publisher=Lemur Books (Pty) Ltd|isbn=978-0-620-14260-1|location=Alberton|pages=20, 89, 260}}</ref> In March 1989, the PLAN tanks were mobilised and moved south towards the Namibian border.<ref name="Stiff"/> South Africa accused PLAN of planning a major offensive to influence Namibia's [[Namibian parliamentary election, 1989|pending general elections]], but the tank crews did not cross the border and refrained from intervening in a series of renewed clashes later that year.<ref name="Stiff"/> Between 1990 and 1991, SWAPO ordered the PLAN tanks in Angola repatriated to Namibia at its own expense.<ref name="Stiff2">{{cite book|last=Stiff|first=Peter|title=Warfare by Other Means: South Africa in the 1980s and 1990s|date=2001|page=379|publisher=Galago Publishing Pty Ltd|location=Johannesburg|isbn=978-1-919854-01-4}}</ref> Four later entered service with the new [[Namibian Army]].<ref name="congo">{{cite web|url=http://www.crisisgroup.org/~/media/Files/africa/central-africa/dr-congo/Scramble%20for%20the%20Congo%20Anatomy%20of%20an%20Ugly%20War.pdf |title=Scramble for the Congo – Anatomy of an Ugly War |publisher=ICG Africa |date=20 December 2000 |access-date=18 June 2013 |url-status=dead |archive-url=https://web.archive.org/web/20131029201147/http://www.crisisgroup.org/~/media/Files/africa/central-africa/dr-congo/Scramble%20for%20the%20Congo%20Anatomy%20of%20an%20Ugly%20War.pdf |archive-date=29 October 2013 }}</ref>


====Finland====
====Finland====
The Soviet and Finnish armies used T-34s until the 1960s; the former included the 76.2&nbsp;mm-armed versions until at least 1968, when they were used in filming the sequel to the movie ''[[The Alive and the Dead]]''. The Finnish tanks were captured directly from the Soviets or purchased from Germany's captured stocks. Many of the Т-34-85s were enhanced with Finnish or Western equipment, such as improved optics.<ref name=Michulec>Michulec, Robert (2007). ''T-34: Mythical Weapon.'' Mississauga, Ontario, Canada: Air Connection.</ref>
The Soviet and Finnish armies used T-34s until the 1960s; the former included the 76.2&nbsp;mm-armed versions until at least 1968, when they were used in filming the sequel to the movie ''[[The Alive and the Dead]]''. The Finnish tanks were captured directly from the Soviets or purchased from Germany's captured stocks. Many of the Т-34-85s were enhanced with Finnish or Western equipment, such as improved optics.<ref>{{harvnb|Michulec |Zientarzewski |2006|p=}}</ref>{{page needed|date=August 2022}}


====Vietnam====
====Vietnam====
During the [[Vietnam War]], the [[People's Army of Vietnam|North Vietnamese Army]] was equipped with many Chinese Type 58 tanks, a copy of T-34, and these were used in the [[Operation Lam Son 719]], the 1972 [[Easter Offensive]] and the [[1975 Spring Offensive]]. They were later used during the [[Cambodian–Vietnamese War|Vietnamese invasion of Kampuchea]] and the [[Sino-Vietnamese War]].{{cn|date=October 2020}} Currently being used in small quantity as naval artillery in Spratly Island.{{cn|date=October 2020}} The rest are waiting to be scrapped.
During the [[Vietnam War]], the [[People's Army of Vietnam|North Vietnamese Army]] was equipped with many Soviet T-34-85 and these were used in the [[Operation Lam Son 719]], the 1972 [[Easter Offensive]] and the [[1975 Spring Offensive]]. They were later used during the [[Cambodian–Vietnamese War|Vietnamese invasion of Kampuchea]] and the [[Sino-Vietnamese War]].<ref>{{cite web|date=15 February 2019|title=[ẢNH] "Ông lão" T-34-85 Việt Nam chiến đấu anh dũng trong Chiến tranh biên giới 1979|url=https://anninhthudo.vn/post-383375.antd|access-date=16 December 2020|website=Báo Điện tử An ninh Thủ đô|language=vi|archive-date=31 March 2023|archive-url=https://web.archive.org/web/20230331150857/https://www.anninhthudo.vn/anh-ong-lao-t-34-85-viet-nam-chien-dau-anh-dung-trong-chien-tranh-bien-gioi-1979-post383375.antd|url-status=live}}</ref> A small number are currently being used as trainers. The rest are in storage and no longer serve as active duty battle tanks.


====Yemen====
====Yemen====
In 2015, both T-34-85 Model 1969 tanks and [[SU-100]] self-propelled guns were photographed being used in [[Houthi takeover in Yemen]].<ref>http://www.uskowioniran.com/2015/04/wwii-era-soviet-armor-engaged-in-yemen.html "WWII era Soviet armor engaged in Yemen conflict"{{Self-published source|date=November 2017}}</ref> Some even being shot with [[ATGM|ATGMs]].
In 2015, both T-34-85 Model 1969 tanks and [[SU-100]] self-propelled guns were photographed being used in [[Houthi takeover in Yemen]].<ref>{{cite web|url=http://www.uskowioniran.com/2015/04/wwii-era-soviet-armor-engaged-in-yemen.html|title=WWII era Soviet armor engaged in Yemen conflict|website=Uskowioniran.com|access-date=2 March 2022|archive-date=15 April 2019|archive-url=https://web.archive.org/web/20190415173231/https://www.uskowioniran.com/2015/04/wwii-era-soviet-armor-engaged-in-yemen.html|url-status=live}} {{Self-published source|date=November 2017}}</ref> Some were even being fitted with [[anti-tank guided missile]]s.


===Current active service===
===Current active service===
In 2018, there were nine countries that maintained T-34s in the inventories of their national armed forces: [[Cuba]], [[Yemen]], the [[Republic of the Congo]], [[Guinea]], [[Guinea-Bissau]], [[Namibia]], [[North Korea]], [[Laos]], and [[Vietnam]].<ref name="IISS2019">[[International Institute for Strategic Studies]]: The Military Balance 2019, p.293</ref> Of these operators, Vietnam possessed the largest known surviving fleet of T-34 series tanks, with 45.<ref name="IISS2010" /> Bosnia-Herzegovina possessed 5, Yemen 30, Guinea 30, Guinea-Bissau 10, Mali 21, and Laos 30.<ref name="IISS2010" /><ref name="LaosRetired">[https://nationalinterest.org/blog/buzz/tank-helped-russia-defeat-nazi-germany-has-finally-retired-laos-41122 The Tank That Helped Russia Defeat Nazi Germany Has Finally Retired (In Laos)]. ''The National Interest''. 10 January 2019.</ref><ref name=":1">{{Cite web|last=Fediushko|first=Dmitry|date=2019-01-16|title=Russia receives 30 vintage T-34/85 tanks from Laos|url=https://www.janes.com/defence-equipment-intelligence/russia-receives-30-vintage-t-3485-tanks-from-laos|url-status=live|archive-url=|archive-date=|access-date=2020-11-05|website=Janes Defence News|language=en}}</ref>It was unclear how many Cuban and North Korean T-34s remained in service.<ref name="IISS2010" /> All the Congolese, Namibian and Malian tanks were believed to be in reserve storage or inoperable.<ref name="IISS2010" /><ref name="Jeune Afrique">{{cite news|title=Armée malienne : le difficile inventaire |trans-title=Malian Army: The difficult inventory|language=fr|url=https://www.jeuneafrique.com/170176/politique/arm-e-malienne-le-difficile-inventaire/|work=[[Jeune Afrique]]|first=Laurent |last=Touchard |date=18 June 2013}}</ref> The Laotian Army retired its T-34s in early 2019 and sold all of them to Russia, where they will be used for public displays and museum exhibits.<ref name="LaosRetired"/>
In 2018, there were nine countries that maintained T-34s in the inventories of their national armed forces: Cuba, Yemen, the Republic of the Congo, Guinea, Guinea-Bissau, Namibia, North Korea, Laos, and Vietnam.<ref name="IISS2019">[[International Institute for Strategic Studies]]: ''The Military Balance'' 2019, p.293</ref> Of these operators, Vietnam possessed the largest known surviving fleet of T-34 series tanks, with 45.{{Sfn|IISS|2010|page=433}} Yemen possessed 30, Guinea 30, Guinea-Bissau 10, Mali 21, and Laos 30.{{sfn|IISS|2010|pages=277,311,316}}<ref name="LaosRetired">{{Cite web |first=David |last=Axe |url=https://nationalinterest.org/blog/buzz/tank-helped-russia-defeat-nazi-germany-has-finally-retired-laos-41122 |title=The Tank That Helped Russia Defeat Nazi Germany Has Finally Retired (In Laos) |work=The National Interest |date=10 January 2019 |access-date=12 January 2019 |archive-date=13 January 2019 |archive-url=https://web.archive.org/web/20190113122407/https://nationalinterest.org/blog/buzz/tank-helped-russia-defeat-nazi-germany-has-finally-retired-laos-41122 |url-status=live }}</ref><ref name="Janes2019">{{cite web|last=Fediushko|first=Dmitry|date=16 January 2019|title=Russia receives 30 vintage T-34/85 tanks from Laos|url=https://www.janes.com/defence-equipment-intelligence/russia-receives-30-vintage-t-3485-tanks-from-laos|access-date=5 November 2020|website=Janes Defence News|language=en}}</ref> It was unclear how many Cuban and North Korean T-34s remained in service.{{sfn|IISS|2010|pages=78,412}} All the Congolese, Namibian and Malian tanks were believed to be in reserve storage or inoperable.{{sfn|IISS|2010|pages=301,316,318}}<ref name="Jeune Afrique">{{cite news|title=Armée malienne : le difficile inventaire|trans-title=Malian Army: The difficult inventory|language=fr|url=https://www.jeuneafrique.com/170176/politique/arm-e-malienne-le-difficile-inventaire/|work=[[Jeune Afrique]]|first=Laurent|last=Touchard|date=18 June 2013|access-date=13 January 2019|archive-date=8 April 2019|archive-url=https://web.archive.org/web/20190408142653/https://www.jeuneafrique.com/170176/politique/arm-e-malienne-le-difficile-inventaire/|url-status=live}}</ref> The Laotian Army retired its T-34s in early 2019 and sold them to Russia, to be used for public displays and museum exhibits.<ref name="LaosRetired"/>


===Successors===
===Successors===
In 1944, pre-war development of a more advanced T-34 tank was resumed, leading to the [[T-44]]. The new tank had a turret design based on the T-34-85's, but featured a new hull with [[torsion-bar suspension]] and [[transverse engine|transversely mounted engine]]; it had a lower profile than the T-34-85 and was simpler to manufacture. Between 150 and 200 of these tanks were built before the end of the war. With substantial drivetrain changes, a new turret, and 100&nbsp;mm gun, it became the [[T-54]], starting production in 1947.<ref>[[#Reference-Zaloga-2004|Zaloga & Johnson 2004:6]]</ref>
In 1944, pre-war development of a more advanced T-34 tank was resumed, leading to the [[T-44]]. The new tank had a turret design based on the T-34-85's, but featured a new hull with [[torsion-bar suspension]] and [[transverse engine|transversely mounted engine]]; it had a lower profile than the T-34-85 and was simpler to manufacture. Between 150 and 200 of these tanks were built before the end of the war. With substantial drivetrain changes, a new turret, and 100&nbsp;mm gun, it became the [[T-54]], starting production in 1947.<ref>{{harvnb|Zaloga|2004|p=6}}</ref>


==Operators==
==Operators==
[[File:T-34 Operators.png|thumb|upright=1.35|T-34 operators in blue, former operators in red]]
[[File:T-34 Operators.png|thumb|upright=1.35|T-34 operators {{legend|#0360d5|Current}}{{legend|#ee161f|Former}}]]
[[File:T-34-85 in military base in Zenica.jpg|thumb|T-34-85 of the [[Armed Forces of Bosnia and Herzegovina]], 2014.]]
[[File:T-34-85 in military base in Zenica.jpg|thumb|T-34-85 of the [[Armed Forces of Bosnia and Herzegovina]], 2014.]]
<!--READ FIRST: This section is for cited entries only. Please do not add entries into this list without a citation from a reliable source. All entries without a citation will be removed. Thank you.-->
<!--READ FIRST: This section is for cited entries only. Please do not add entries into this list without a citation from a reliable source. All entries without a citation will be removed. Thank you.-->


=== Estimated numbers in service, 2023 ===
===Current operators===
*{{flag|Republic of the Congo}}: In reserve.{{sfn|IISS|2023|p=444}}
*{{flag|Cuba}}: 642;<ref name="SIPRI">{{cite web|url=http://armstrade.sipri.org/arms_trade/trade_register.php|title=Trade Registers|accessdate=24 December 2014}}</ref> undisclosed number in service.<ref name="IISS2010" />
*{{flag|Bosnia-Herzegovina}}: 5<ref name="IISS2010" />
*{{flag|Guinea}}: 45;<ref name="SIPRI" /> 30 operational reported by [[IISS]] in 2023.{{sfn|IISS|2023|p=456}}
*{{flag|Guinea-Bissau}}: 10 {{as of|2023|lc=y}}.{{sfn|IISS|2023|p=458}}
*{{flag|Republic of the Congo}}: In reserve.<ref name="IISS2010" />
*{{flag|Guinea}}: 45;<ref name="SIPRI" /> 30 operational.<ref name="IISS2010" />
*{{flag|Namibia}}: 4;<ref name="congo" /> serviceability doubtful.{{sfn|IISS|2023|p=467}}
*{{flag|Guinea-Bissau}}: 10<ref name="IISS2010" /><ref name="SIPRI" />
*{{flag|North Korea}}: Estimated ~650;<ref name="SIPRI" /> official number in service undisclosed.{{sfn|IISS|2010|page=412}}
*{{flag|Yemen}}: 250 reported in 2016;<ref name=Cordesman2016>{{cite book|last=Cordesman|first=Anthony|title=After The Storm: The Changing Military Balance in the Middle East|date=2016|pages=112–124, 701|publisher=Bloomsbury Publishing|location=London|isbn=978-1-4742-9256-6}}</ref> 30 reported operational by IISS in 2014.{{sfn|IISS|2014|p=350}} Unknown number in 2023, possibly non-serviceable.{{sfn|IISS|2023|p=362}}
*{{flag|Namibia}}: 4;<ref name="congo" /> in reserve.<ref name="IISS2010" />
*{{flag|North Korea}}: 650;<ref name="SIPRI" /> undisclosed number in service.<ref name="IISS2010" />
*{{flag|Vietnam}}: 300 delivered;<ref name="SIPRI" /> 45 in service reported in 2023.{{sfn|IISS|2023|p=299}}
*{{flag|Yemen}}: 250;<ref name=Cordesman2016>{{cite book|last=Cordesman|first=Anthony|title=After The Storm: The Changing Military Balance in the Middle East|date=October 2016|pages=112–124, 701|publisher=Bloomsbury Publishing|location=London|isbn=978-1-4742-9256-6}}</ref> 30 operational.<ref name="IISS2010" />
*{{flag|Vietnam}}: 300 delivered;<ref name="SIPRI" /> 45 in service<ref>https://www.armyrecognition.com/vietnam_vietnamese_army_land_ground_forces_uk/vietnam_vietnamese_army_land_ground_armed_forces_military_equipment_armoured_armored_vehicle_uk.html</ref> (trainer)


===Former operators===
===Former===
*{{flag|Albania}}: 138<ref>{{Cite web|title=Trade Registers|url=http://armstrade.sipri.org/armstrade/page/trade_register.php|access-date=2020-06-22|website=armstrade.sipri.org}}</ref>
*{{flag|Afghanistan|1980}}: 175<ref name="SIPRI" />
[[File:215號T-34坦克.jpg|thumb|Chinese T-34 tanks during the [[Korean War]] in 1952]]
[[File:215號T-34坦克.jpg|thumb|Chinese T-34 tanks during the [[Korean War]] in 1952]]
*{{flag|Afghanistan|1980}}: 175<ref name="SIPRI" />
*{{flag|Algeria}}: 113<ref name="Cordesman2016" />
*{{flag|Algeria}}: 113<ref name="Cordesman2016" />
*{{flag|Albania|1946}}: 138<ref name="SIPRI" />
*{{flaglist|Albania|1946}}: 138<ref name="SIPRI" />
*{{flag|Angola}}: 80<ref name="SIPRI" />
*{{flag|Angola}}: 80<ref name="SIPRI" />
*{{flag|Austria}}: 25<ref name="SIPRI" />
*{{flag|Austria}}: 25<ref name="SIPRI" />
*{{flag|Bosnia-Herzegovina}}: 5 reported by [[IISS]] in 2010{{sfn|IISS|2010|page=179}}
*{{flag|Bulgaria|1971}}: 599<ref name="SIPRI" />
*{{flag|Bulgaria|1971}}: 599<ref name="SIPRI" />
*{{flag|People's Republic of China}}: 2,500<ref name="SIPRI" />
*{{flag|China}}: 2,500<ref name="SIPRI" />
*{{flag|Cuba}}: 642;<ref name="SIPRI">{{cite web|url=http://armstrade.sipri.org/arms_trade/trade_register.php|title=Trade Registers|access-date=24 December 2014|archive-date=5 August 2009|archive-url=https://web.archive.org/web/20090805014045/http://armstrade.sipri.org/arms_trade/trade_register.php|url-status=live}}</ref> undisclosed number in 2010.{{sfn|IISS|2010|page=78}}
*{{flag|Cyprus}}: 32<ref name="SIPRI" />
*{{flag|Cyprus}}: 32<ref name="SIPRI" />
*{{flag|Czechoslovakia}}: 1,800<ref name="SIPRI" />
*{{flag|Czechoslovakia}}: 1,800<ref name="SIPRI" />
*{{flag|Egypt}}: 380<ref name="SIPRI" />
*{{flag|Egypt}}: 380<ref name="SIPRI" />
*{{flag|Equatorial Guinea}}<ref name="Zal34">[[#Reference-Zaloga-1996|Zaloga & Kinnear 1996:34]]</ref>
*{{flag|Equatorial Guinea}}<ref name="Zal34">{{harvnb|Zaloga|Kinnear|1996|p=34}}</ref>
*{{flag|Ethiopia}}: 56<ref name="SIPRI" />
*{{flag|Ethiopia}}: 56<ref name="SIPRI" />
*{{flag|Finland}}: 9 captured<ref name="Zal34" />
*{{flag|Finland}}: 9 captured<ref name="Zal34" />
*{{Flag|Nazi Germany}}: Captured (designated "Pz. 747(r)")
*{{Flagcountry|Nazi Germany}}: Captured (designated "Pz. 747(r)")
*{{flag|East Germany}}: 872<ref name="SIPRI" />
*{{flag|East Germany}}: 872<ref name="SIPRI" />
*{{flag|Hungary}}: 150<ref name="SIPRI" />
*{{flag|Hungary}}: 150<ref name="SIPRI" />
*{{flag|Kingdom of Italy}}: Captured.<ref>{{cite web|url=http://beutepanzer.ru/Beutepanzer/italy/Color/Beute/color.htm|title=Italian army|accessdate=15 November 2014}}</ref>
*{{flagcountry|Kingdom of Italy}}: 2 were captured and used by the ARMIR.<ref>{{cite web|url=http://beutepanzer.ru/Beutepanzer/italy/Color/Beute/color.htm|title=Italian army|access-date=15 November 2014|website=beutepanzer.ru|quote=citing "Mussolini's tanks". Tank Power vol. XXIX. Militaria No 253)|archive-date=6 October 2014|archive-url=https://web.archive.org/web/20141006072124/http://beutepanzer.ru/Beutepanzer/italy/Color/Beute/color.htm|url-status=dead}}</ref>
*{{flag|Iraq}}: 175<ref name="SIPRI" />
*{{flagcountry|Ba'athist Iraq}}: 175<ref name="SIPRI" />
*{{flag|Laos}}: 30<ref name="IISS2010" /><ref name="LaosRetired" /><ref name=":1" />
*{{flag|Laos}}: 30{{sfn|IISS|2010|page=416}}<ref name="LaosRetired" /><ref name="Janes2019" />
*{{flag|Lebanon}}<ref name="Zal34" />
*{{flag|Lebanon}}<ref name="Zal34" />
*{{flag|Libya|1977}}: 65<ref name="SIPRI" />
*{{flag|Libya|1977}}: 65<ref name="SIPRI" />
*{{flag|Mali}}: 30;<ref name="SIPRI" /> retired from service.<ref name="Jeune Afrique"/>
*{{flag|Mali}}: 30;<ref name="SIPRI" /> retired from service.<ref name="Jeune Afrique"/>
*{{flag|Mongolia}}: 40<ref name="SIPRI" />
*{{flag|Mongolia}}: 40<ref name="SIPRI" />
*{{flag|Mozambique}}: 200<ref name="SIPRI" />
*{{flag|Mozambique|1983}}: 200<ref name="SIPRI" />
*{{flag|Pakistan}}: 25<ref name="SIPRI" />
*{{flag|Pakistan}}: 25<ref name="SIPRI" />
*{{flag|Palestine Liberation Organization}}: 24<ref>Kassis, ''30 Years of Military Vehicles in Lebanon'' (2003), p. 73.</ref>
*{{flag|Palestine Liberation Organization}}: 24<ref>Kassis, ''30 Years of Military Vehicles in Lebanon'' (2003), p. 73.</ref>
*{{flag|Poland}}: 1,000<ref name="SIPRI" />
*{{flag|Poland|1955}}: 1,000<ref name="SIPRI" />
*{{flag|Romania}}:
*{{flag|Romania}}:
[[File:T-34-85 Bucharest.png|thumb|Romanian army T-34-85 next to a [[TACAM R-2]] ([[National Military Museum, Romania|National Military Museum]], [[Bucharest]])]]
**{{flag|Socialist Republic of Romania}}: 250<ref name="SIPRI" />
:*{{flag|Kingdom of Romania}}: 2 captured by 1 November 1942, 4 more captured in March 1944.<ref>{{cite book |title=Third Axis Fourth Ally: Romanian Armed Forces in the European War, 1941–1945 |first1=Mark |last1=Axworthy |first2=Cornel |last2=Scafeș |first3=Cristian |last3=Crăciunoiu |url=https://books.google.com/books?id=FhawQwAACAAJ |page=221 |date=1995 |publisher=Arms and Armour |location=London |isbn=9781854092670 |access-date=14 July 2021 |archive-date=31 March 2023 |archive-url=https://web.archive.org/web/20230331150854/https://books.google.com/books?id=FhawQwAACAAJ |url-status=live }}</ref> It was proposed to [[T-34 variants#Romania|heavily modify]] the first two.<ref>{{cite book |last1=Moșneagu |first1=Marian |last2=Boțoghină |first2=Iulian-Stelian |last3=Manolescu |first3=Mariana-Daniela |last4=Stoica |first4=Leontin-Vasile |last5=Șoitariu |first5=Mihai-Cosmin |date=2012 |title=Armata română și evoluția armei tancuri. Documente (1919–1945) |url=http://amnr.defense.ro/app/webroot/fileslib/upload/files/Aparitii_editoriale_pdf/20_Armata_evolutia_armei_tancuri.pdf |language=ro |location=Pitești, Romania |page=261 |publisher=Editura Universității de Stat din Pitești |isbn=978-606-560-252-6 |access-date=28 June 2021 |archive-date=19 January 2021 |archive-url=https://web.archive.org/web/20210119142153/https://amnr.defense.ro/app/webroot/fileslib/upload/files/Aparitii_editoriale_pdf/20_Armata_evolutia_armei_tancuri.pdf |url-status=dead }}</ref>
**{{flag|Kingdom of Romania}}: 2 captured by 1 November 1942, 4 more captured in March 1944<ref>Mark Axworthy, London: Arms and Armour, 1995, ''Third Axis, Fourth Ally: Romanian Armed Forces in the European War, 1941–1945'', p. 221</ref>
:*{{flag|Socialist Republic of Romania}}: 935 T-34-85s received from the USSR and Czechoslovakia from 1949 to 1957. They had faced [[T-34 variants#Romania|local modifications]].<ref name="AS1">{{cite journal |last=Sămușan |first=Alin |date=2017 |title=Contribuții la istoria dotării cu armament a armatei române între 1944 și 1959 |trans-title=Contributions to the history of the Romanian army's weaponry endowment from 1944 to 1959 |url=https://www.academia.edu/37411353 |language=ro |journal=[[National Military Museum, Romania|National Military Museum]] |volume=15 |access-date=28 June 2021 |archive-date=18 November 2021 |archive-url=https://web.archive.org/web/20211118210829/https://www.academia.edu/37411353 |url-status=live }}</ref> Furthermore, 12 [[armored recovery vehicle]]s and 12 [[T-34 variants#Soviet Union|SPK-5]] mobile cranes (both models based on the T-34-85 chassis) were acquired in 1955–58.<ref name="AS1"/>
*{{flag|Somalia}}: 120<ref name="SIPRI" />
*{{flag|Somalia}}: 120<ref name="SIPRI" />
*{{flag|Soviet Union}}<ref name="Zal34" />
*{{flag|Soviet Union}}<ref name="Zal34" />
*{{flag|Sudan}}: 20<ref name="SIPRI" />
*{{flag|Sudan}}: 20<ref name="SIPRI" />
*{{flag|Syria}}: 200<ref name="SIPRI" />
*{{flag|Syria}}: 200<ref name="SIPRI" />
*{{flag|Togo}}: 7<ref name="CIA1">{{cite web|title=Handbook of Major Foreign Weapons Systems Exported to the Third World: 1981–86|author=<!--Staff writer(s); no by-line.-->|url=https://www.cia.gov/library/readingroom/docs/CIA-RDP88T00706R000500410003-2.pdf|location=Langley
*{{flag|Togo}}: 7 T-34-85 from Egypt in 1981<ref name="CIA1">{{cite web|title=Handbook of Major Foreign Weapons Systems Exported to the Third World: 1981–86 Volume II Ground Forces Equipment|author=<!--Staff writer(s); no by-line.--> |url=https://www.cia.gov/readingroom/docs/CIA-RDP88T00706R000500410003-2.pdf |location=Langley
|publisher=[[Central Intelligence Agency]]|date=November 1987|accessdate=20 June 2017 |archiveurl=https://web.archive.org/web/20170123043011/https://www.cia.gov/library/readingroom/docs/CIA-RDP88T00706R000500410003-2.pdf|archivedate=23 January 2017}}</ref>
|publisher=[[Central Intelligence Agency]]|date=November 1987 |access-date=20 June 2017 |archive-url=https://web.archive.org/web/20170123043011/https://www.cia.gov/readingroom/docs/CIA-RDP88T00706R000500410003-2.pdf|archive-date=23 January 2017 |page=13}}</ref>
*{{flag|Uganda}}: 10<ref name="SIPRI" />
*{{flag|Uganda}}: 10<ref name="SIPRI" />
*{{flagicon image|Flag of UNITA.svg}} [[UNITA]]<ref name="UNITA">{{cite journal|last=Grilz|first=Almerigo|date=1991|title=Briefing – The War in Angola: Forces and Organisation|volume=4|url=https://books.google.com/books?id=wbBDAQAAIAAJ|journal=Jane's Defence Weekly|page=1087}}</ref>
*{{flagicon image|Flag of UNITA.svg}} [[UNITA]]<ref name="UNITA">{{cite journal|last=Grilz|first=Almerigo|date=1991|title=Briefing – The War in Angola: Forces and Organisation|volume=4|url=https://books.google.com/books?id=wbBDAQAAIAAJ|journal=Jane's Defence Weekly|page=1087|access-date=9 February 2017|archive-date=31 March 2023|archive-url=https://web.archive.org/web/20230331150902/https://books.google.com/books?id=wbBDAQAAIAAJ|url-status=live}}</ref>
*{{flag|North Yemen}}: 150<ref name="SIPRI" />
*{{flag|North Yemen}}: 150<ref name="SIPRI" />
*{{flag|South Yemen}}: 80<ref name="SIPRI" />
*{{flag|South Yemen}}: 80<ref name="SIPRI" />
Line 479: Line 519:


==Symbolism==
==Symbolism==
[[File:Dukla Pass battle monument 2.jpg|thumb|One of the best-known memorials of the [[Battle of the Dukla Pass]] of 1944, near [[Ladomirová]] and [[Svidník]], on the [[Slovakia|Slovak]] side of the [[Dukla Pass]]. A Soviet [[T-34 variants|T-34-85]] (left) together with a German [[Panzer IV|Pz-IV J]] (right).]]
[[File:Dukla Pass battle monument 2.jpg|thumb|One of the best-known memorials of the [[Battle of the Dukla Pass]] of 1944, near [[Ladomirová]] and [[Svidník]], on the [[Slovakia|Slovak]] side of the [[Dukla Pass]]. A Soviet [[T-34 variants|T-34-85]] (left) together with a German [[Panzer IV|Panzer IV ''Ausf'' J]] (right).]]
[[File:2018 Moscow Victory Day Parade 45.jpg|thumb|A [[T-34 variants|T-34-85]] during the [[2018 Moscow Victory Day Parade]].]]
[[File:2018 Moscow Victory Day Parade 45.jpg|thumb|A [[T-34 variants|T-34-85]] during the [[2018 Moscow Victory Day Parade]].]]


In [[Russia]], in both 2023 and 2024, a single T-34-85 appeared as the sole tank in the [[Victory Day Parade]] held in [[Red Square]] in [[Moscow]], leading to ridicule from Western media.<ref>{{Cite AV media |url=https://www.youtube.com/watch?v=6547PJRKv1w |title=Russia's Victory Day Parade Mocked For Featuring Only One Tank {{!}} Insider News |language=en |access-date=11 May 2024 |via=www.youtube.com}}</ref><ref>{{Cite web |last=van Brugen |first=Isabel |date=9 May 2024 |title=Putin mocked over single tank at Victory Parade |url=https://www.newsweek.com/putin-victory-day-parade-moscow-tank-t-34-1898740 |access-date=11 May 2024 |website=Newsweek |language=en}}</ref>
A T-34-85 tank monument in the [[East German]] city of Karl-Marx-Stadt ([[Chemnitz]]) became the target of a 1980 bomb-attack that inflicted minor damage on the vehicle and blew out nearby windows. The bomber, [[Josef Kneifel]], was sentenced to life imprisonment in [[Bautzen]], but was released after a deal with the West German government in 1987. After [[German unification]] in 1990, the tank was transferred to a museum in Ingolstadt.<ref>Honnigfort, Bernhard. "Der Panzersprenger." ''Frankfurter Rundschau'', April 15, 2005.</ref><ref>Honnigfort, Bernhard. "Der sich nicht fügen wollte." ''Kölner Stadt-Anzeiger'', April 17, 2005.</ref>

A T-34-85 tank monument in the [[East German]] city of [[Chemnitz]] (then known as Karl-Marx-Stadt) became the target of a 1980 bomb-attack that inflicted minor damage on the vehicle and blew out nearby windows. The bomber, [[Josef Kneifel]], was sentenced to life imprisonment in [[Bautzen]], but was released after a deal with the West German government in 1987. After [[German unification]] in 1990, the tank was transferred to a museum in [[Ingolstadt]].<ref>Honnigfort, Bernhard. "Der Panzersprenger." ''Frankfurter Rundschau'', 15 April 2005.</ref>{{page needed|date=August 2022}}<ref>Honnigfort, Bernhard. "Der sich nicht fügen wollte." ''Kölner Stadt-Anzeiger'', 17 April 2005.</ref>{{page needed|date=August 2022}}


Another such tank, mounted atop the [[monument to Soviet tank crews]] in [[Prague]], was the focus of significant controversy. The monument (known locally as 'Saint Tank') was intended to represent Lt I.G. Goncharenko's T-34-85 (the first Soviet tank to enter Prague during the [[Prague Offensive|liberation of Czechoslovakia]] in May 1945), but actually bore an [[Iosif Stalin tank|IS-2M]] heavy tank. To many in Prague, the tank was also a reminder of the Soviet invasion which ended the [[Prague Spring]] of 1968. The tank was painted pink by artist [[David Černý]] in 1991. Following an official protest from the Russian government, the arrest of Černý, a coat of official green paint, public demonstrations, and a further coat of pink paint applied by fifteen parliamentary deputies, the tank was finally removed to a military museum.<ref>[[#Reference-Wright-2001|Wright 2001:379]]</ref><ref>[[#Reference-Zaloga-1996|Zaloga & Kinnear 1996:42–43]]</ref>
Another such tank, mounted atop the [[monument to Soviet tank crews]] in [[Prague]], was the focus of significant controversy. The monument (known locally as 'Saint Tank') was intended to represent Lt I.G. Goncharenko's T-34-85 (the first Soviet tank to enter Prague during the [[Prague Offensive|liberation of Czechoslovakia]] in May 1945), but actually bore an [[Iosif Stalin tank|IS-2M]] heavy tank. To many in Prague, the tank was also a reminder of the Soviet invasion which ended the [[Prague Spring]] of 1968. The tank was painted pink by artist [[David Černý]] in 1991. Following an official protest from the Russian government, the arrest of Černý, a coat of official green paint, public demonstrations, and a further coat of pink paint applied by fifteen parliamentary deputies, the tank was finally removed to a military museum.<ref>{{harvnb|Wright| 2001|p=379}}</ref><ref>{{harvnb|Zaloga|Kinnear| 1996|pp=42–43}}</ref>


''Four Tankers and a Dog'' (''[[Czterej pancerni i pies]]''), a very successful war-themed [[Telewizja Polska|Polish television series]] of the 1960s, adapted the novel of the same name by the [[Polish literature|Polish writer]] [[Janusz Przymanowski]] (1922–1998), himself a [[People's Army of Poland]] volunteer. The series made T-34 tank number 102 an icon of [[Culture of Poland|Polish popular culture]]. It was also shown in other [[Eastern bloc|Soviet-bloc]] countries where it was also well received, surprisingly even in the [[German Democratic Republic]] (East Germany). At the beginning of the 21st century reruns of the [[black and white]] series still manage to attract a large audience.<ref>{{cite web|url=http://www.wsowp.poznan.pl/muzeum/pages/eksponat12.htm |title=Archived copy |accessdate=2013-03-22 |url-status=dead |archiveurl=https://web.archive.org/web/20050219094927/http://www.wsowp.poznan.pl/muzeum/pages/eksponat12.htm |archivedate=2005-02-19 }}</ref>
''[[Czterej pancerni i pies]]'' ("Four Tank-men and a Dog"), a very successful war-themed [[Telewizja Polska|Polish television]] series of the 1960s, adapted the novel of the same name by the [[Polish literature|Polish writer]] [[Janusz Przymanowski]] (1922–1998), himself a [[People's Army of Poland]] volunteer. The series made T-34 tank number 102 an icon of [[Culture of Poland|Polish popular culture]]. It was also shown in other [[Eastern bloc|Soviet-bloc]] countries where it was also well received, surprisingly even in the [[German Democratic Republic]] (East Germany). At the beginning of the 21st century reruns of the [[black and white]] series still manage to attract a large audience.<ref>{{cite web |url=http://www.wsowp.poznan.pl/muzeum/pages/eksponat12.htm |title=Eksponat12 |access-date=22 March 2013 |url-status=dead |archive-url=https://web.archive.org/web/20050219094927/http://www.wsowp.poznan.pl/muzeum/pages/eksponat12.htm |archive-date=19 February 2005 }}</ref>{{failed verification|reason=nothing to see even at archived copy|date=April 2021}}


In [[Budapest]] on 23 October 2006, the [[2006 protests in Hungary]] climaxed during the 50th anniversary of the [[Hungarian Revolution of 1956]]. Protesters managed to start an unarmed T-34 tank which was part of a memorial exhibit, and used it in riots against police forces. The tank drove a few hundred metres, then stopped in front of the police, causing no personal injury.<ref>Scotsman.com, "[http://news.scotsman.com/international.cfm?id=1571102006 Hungarian protesters seize tank]", October 23, 2006; Népszabadság Online, "[http://www.nol.hu/cikk/421872/ Elfogták az elkötött T-34-es vezetőjét]", October 23, 2006 (Hungarian language).</ref>
In [[Budapest]] on 23 October 2006, the [[2006 protests in Hungary]] climaxed during the 50th anniversary of the [[Hungarian Revolution of 1956]]. Protesters managed to start an unarmed T-34 tank which was part of a memorial exhibit, and used it in riots against police forces. The tank drove a few hundred metres, then stopped in front of the police, causing no personal injury.<ref>{{cite news |website=Scotsman.com |url=http://news.scotsman.com/international.cfm?id=1571102006 |title=Hungarian protesters seize tank |date=24 October 2006 |first1=Gergely |last1=Szakacs |first2=Pable |last2=Gorondi |access-date=14 August 2012 |archive-date=27 March 2007 |archive-url=https://web.archive.org/web/20070327191444/http://news.scotsman.com/international.cfm?id=1571102006 |url-status=live }}</ref><ref>{{cite news |website=Népszabadság Online |url=http://www.nol.hu/cikk/421872/ |title=Elfogták az elkötött T-34-es vezetőjét |archive-url=https://web.archive.org/web/20080224042830/http://www.nol.hu/cikk/421872/ |archive-date=24 February 2008 |date=23 October 2006 |lang=hu}}.</ref>
{{clear}}
{{clear}}


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{{Main|T-34 variants}}
{{Main|T-34 variants}}
{{more citations needed section|date=July 2013}}
{{more citations needed section|date=July 2013}}
[[File:T-34 Subtypes.jpg|thumb|Illustration of some selected T-34 variants including [[tank destroyers]] and [[mobile artillery]].]]
There were two main production families of the T-34, each with subvariants. The identification of T-34 variants can be complicated. Turret castings, superficial details, and equipment differed between factories; new features were added in the middle of production runs, or retrofitted to older tanks; damaged tanks were rebuilt, sometimes with the addition of newer-model equipment and even new turrets.<ref name="Zaloga-1983-14" />
There were two main production families of the T-34, each with subvariants. The identification of T-34 variants can be complicated. Turret castings, superficial details, and equipment differed between factories; new features were added in the middle of production runs, or retrofitted to older tanks; damaged tanks were rebuilt, sometimes with the addition of newer-model equipment and even new turrets.<ref name="Zaloga-1983-14" />


The Red Army never had a consistent policy for naming the T-34.<ref>[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:19]]</ref> Since at least the 1980s, however, many academic sources (notably, [[armoured fighting vehicle|AFV]] expert [[Steven Zaloga]]) have used Soviet-style nomenclature: ''T-34'' for the models armed with 76.2&nbsp;mm guns, and ''T-34-85'' for models armed with 85&nbsp;mm guns, with minor models distinguished by year, as ''T-34 Model 1940''. Some Russian historians use different names: they refer to the first T-34 as the ''T-34 Model 1939'' instead of 1940, all T-34s with the original turret and F-34 gun as ''Model 1941'' instead of Models 1941 and 1942, and the [[hexagon]]al-turret T-34 as ''Model 1942'' instead of 1943.<ref>[[#Reference-Zheltov-2001|Zheltov 2001, passim]]</ref>
The Red Army never had a consistent policy for naming the T-34.<ref>{{harvnb|Zaloga| 1994 |p=19}}</ref> Since at least the 1980s, however, many academic sources (notably, [[armoured fighting vehicle|AFV]] expert [[Steven Zaloga]]) have used Soviet-style nomenclature: ''T-34'' for the models armed with 76.2&nbsp;mm guns, and ''T-34-85'' for models armed with 85&nbsp;mm guns, with minor models distinguished by year, as ''T-34 Model 1940''. Some Russian historians use different names: they refer to the first T-34 as the ''T-34 Model 1939'' instead of 1940, all T-34s with the original turret and F-34 gun as ''Model 1941'' instead of Models 1941 and 1942, and the [[hexagon]]al-turret T-34 as ''Model 1942'' instead of 1943.<ref>{{harvnb|Zheltov|Pavlov|Pavlov|2001|p=}} passim</ref>


German [[military intelligence]] in World War II referred to the two main production families as ''T-34/76'' and ''T-34/85'', with subvariants receiving letter designations such as ''T-34/76A'' this nomenclature has been widely used in the West, especially in popular literature. When the German Wehrmacht used captured T-34s, it designated them ''Panzerkampfwagen T-34(r)'', where the "r" stood for ''russisch'' ("Russian").<ref>Carruthers, Bob. ''Panzers At War, 1943–1945.'' Henley-in-Arden, UK: Coda Books Ltd., 2011.</ref> The Finns referred to the T-34 as the ''Sotka'' after the [[common goldeneye]], because the side silhouette of the tank resembled a swimming waterfowl. The T-34-85 was called ''pitkäputkinen Sotka'' ("long-barreled Sotka").<ref>"Tank Museum Tour." [http://yhdistykset.ekarjala.fi/rmkilta/tapahtumat/ihantalanihme.htm Southeast Finland Border Guard Guild], 1999.</ref>
German [[military intelligence]] in World War II referred to the two main production families as ''T-34/76'' and ''T-34/85'', with subvariants receiving letter designations such as ''T-34/76A'' this nomenclature has been widely used in the West, especially in popular literature. When the German Wehrmacht used captured T-34s, it designated them ''Panzerkampfwagen T-34(r)'', where the "r" stood for ''russisch'' ("Russian").<ref>Carruthers, Bob. ''Panzers At War, 1943–1945.'' Henley-in-Arden, UK: Coda Books Ltd., 2011.</ref> The Finns referred to the T-34 as the ''Sotka'' after the [[common goldeneye]], because the side silhouette of the tank resembled a swimming waterfowl. The T-34-85 was called ''pitkäputkinen Sotka'' ("long-barreled Sotka").<ref>"Tank Museum Tour." [http://yhdistykset.ekarjala.fi/rmkilta/tapahtumat/ihantalanihme.htm Southeast Finland Border Guard Guild] {{Webarchive|url=https://web.archive.org/web/20190128152624/http://yhdistykset.ekarjala.fi/rmkilta/tapahtumat/ihantalanihme.htm |date=28 January 2019 }}, 1999.</ref>


[[File:T-34-85-latrun-1.jpg|thumb|T-34-85 on display at [[Yad La-Shiryon]], Israel.]]
[[File:T-34-85-latrun-1.jpg|thumb|T-34-85 on display at [[Yad La-Shiryon]], Israel]]


The '''T-34''' (German designation: T-34/76) was the original tank with a 76.2&nbsp;mm gun in a two-man turret.
The '''T-34''' (German designation: T-34/76) was the original tank with a 76.2&nbsp;mm gun in a two-man turret.
* '''Model 1940''' (T-34/76A): Early, small production run (about 400 built<ref name=":0" />) with the [[L-11 76.2 mm tank gun|L-11]] 76.2&nbsp;mm [[tank gun]].
* '''Model 1940''' (T-34/76A): Early, small production run (about 400 built<ref name="RussianBattlefield2000" />) with the [[L-11 76.2 mm tank gun|L-11]] 76.2&nbsp;mm [[tank gun]].
* '''Model 1941''' (T-34/76B): Main production with thicker [[vehicle armour|armour]] and the superior [[F-34 tank gun|F-34 76.2 mm gun]].
* '''Model 1941''' (T-34/76B): Main production with thicker [[vehicle armour|armour]] and the superior [[F-34 tank gun|F-34 76.2 mm gun]].
* '''Model 1942''' (T-34/76C): Thicker armour, many minor manufacturing improvements.
* '''Model 1942''' (T-34/76C): Thicker armour, many minor manufacturing improvements.
Line 512: Line 553:
* '''Model 1943''': Short production run of January–March 1944 with [[D-5T 85&nbsp;mm gun]].
* '''Model 1943''': Short production run of January–March 1944 with [[D-5T 85&nbsp;mm gun]].
* '''Model 1944''': Produced from March 1944 through to the end of that year, with simpler [[ZiS-S-53 85&nbsp;mm gun]], radio moved from the hull into a turret with improved layout and new gunner's sight.
* '''Model 1944''': Produced from March 1944 through to the end of that year, with simpler [[ZiS-S-53 85&nbsp;mm gun]], radio moved from the hull into a turret with improved layout and new gunner's sight.
* '''Model 1945''': Produced from 1944 to 1945, with an electrically powered turret traverse motor, an enlarged commander's cupola with a one-piece hatch, and the TDP smoke system with electrically detonated MDSh canisters.
* '''Model 1945''': Produced from 1944 to 1945, with an electrically powered turret traverse motor, an enlarged commander's cupola with a one-piece hatch, and the TDP smoke system with electrically detonated MDSh canisters. Most produced variant of the T-34-85.
* '''Model 1946''': Production model with the improved V-2-34M engine, new wheels, and other minor details.
* '''Model 1946''': Production model with the improved V-2-34M engine, new wheels, and other minor details.
* '''Model 1960''': A refurbishing program introduced a new V-2-3411 engine and other modernizations.
* '''Model 1960''': A refurbishing program introduced a new V-2-3411 engine and other modernizations.
Line 518: Line 559:


===Other armoured fighting vehicles===
===Other armoured fighting vehicles===
[[File:T-34 57.jpg|thumb|A T-34-57 in 1941.]]
[[File:T-34 57.jpg|thumb|A T-34-57 in 1941]]
* '''Flame-thrower tanks''': OT-34 and OT-34-85 had an internally mounted [[flamethrower]] ATO-41 (ATO-42 later) replacing the hull machine-gun.<ref>[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:42]]</ref>
* Flame-thrower tanks: OT-34 and OT-34-85 had an internally mounted [[flamethrower]] ATO-41 (ATO-42 later) replacing the hull machine-gun. 1170 OT-34-76 (mostly based on 1942/43 versions) and 331 OT-34-85 were built.<ref>{{harvnb|Zaloga|1994|p=42}}</ref>
* '''PT-1''' T-34/76: '''''P'''rotivominniy '''T'''ral'' (counter-mine trawl) [[Mine roller]] tank, mostly built on T-34 Model 1943 or T-34-85 chassis.<ref>[[#Reference-Zaloga-2004|Zaloga & Johnson 2004:18-19]]; the KMT designation was adopted in the 1950s</ref>
* '''PT-1''' T-34/76: ''Protivominniy Tral'' ("counter-mine trawl") [[Mine roller]] tank, mostly built on T-34 Model 1943 or T-34-85 chassis.<ref>[[#Reference-Zaloga-2004|Zaloga 2004: pp18-19]]; the KMT designation was adopted in the 1950s</ref>
* '''[[Samokhodnaya Ustanovka|Self-propelled guns and tank destroyers]]''':
* ''[[Samokhodnaya Ustanovka]]'' (Self-propelled guns and tank destroyers):
** [[SU-122]], a [[self-propelled howitzer]] based on T-34 Model 1943 chassis.<ref name="Zaloga 1994:45">[[#Reference-Zaloga-1994|Zaloga & Sarson 1994:45]]</ref>
** [[SU-122]], a [[self-propelled howitzer]] based on T-34 Model 1943 chassis.<ref name="Zaloga 1994:45">{{harvnb|Zaloga|1994|p=45}}</ref>
** [[SU-85]], a tank destroyer based on T-34 Model 1943 chassis.<ref name="Zaloga 1994:45" />
** [[SU-85]], a tank destroyer based on T-34 Model 1943 chassis.<ref name="Zaloga 1994:45" />
** [[SU-100]], a tank destroyer based on T-34-85 chassis.<ref name="Zaloga 1996:14">[[#Reference-Zaloga-1996|Zaloga 1996:14]]</ref>
** [[SU-100]], a tank destroyer based on T-34-85 chassis.<ref name="Zaloga 1996:14">{{harvnb|Zaloga|Kinnear|1996|p=14}}</ref>
* '''T-34/57''': Fewer than 324 T-34s in 1941 and 1943–44 were fitted with the [[57-mm anti-tank gun M1943 (ZiS-2)|ZiS-4]] or the ZIS-4M high-velocity 57&nbsp;mm gun to be used as tank hunters.<ref>[[#Reference-Wachowski-2004|Wachowski 2004]]</ref>
* '''T-34-57''': 14 T-34s were fitted with the [[57-mm anti-tank gun M1943 (ZiS-2)|57-mm ZiS-4]] (1941, 10 tanks) or the ZIS-4M (1943/44, 4 tanks) high-velocity 57&nbsp;mm gun to be used as [[tank destroyers]].<ref>[[#Reference-Wachowski-2004|Wachowski 2004]]</ref>


==Surviving vehicles==
==Surviving vehicles==
[[File:Early T-34 at the U.S. Army Armor & Cavalry Collection.jpg|thumb|right|An early T-34 at the [[U.S. Army Armor & Cavalry Collection]]. This tank was captured by the Germans in [[Operation Barbarosa]]. It was sent to the U.S. after the war.]]
An enormous number of T-34s and T-34-85s were produced; the Soviets used them aggressively in campaigns in Europe and Asia, and they were distributed to the Soviets' allies all over the world. Due to all three factors, there are hundreds of surviving T-34s. Examples of this tank are in the collections of most significant military museums, and hundreds more serve as war memorials. Many are in private ownership, and demilitarised working tanks change hands for U.S. $20,000–40,000. Some still may serve in a second-line capacity in a number of [[Third World]] militaries, while others may find use in a civilian capacity, primarily in film-making. In many World War II films, such as ''[[Saving Private Ryan]]'',<ref name="SPROE">{{citation |url=http://www.sproe.com/t/tank-tiger.html |encyclopedia=Saving Private Ryan Online Encyclopedia |title=Sd.Kfz. 181 PzKpfw VI Tiger I Tank}}</ref> ''[[The Battle of Neretva]]'', and ''[[Kelly's Heroes]]'',<ref>{{citation |url=http://imcdb.org/vehicle_31790-Uralvagonzavod-T-34-85-1944.html |work=Internet Movie Cars Database |title=Kelly's Heroes Tiger Tank page}} Cross of Iron</ref> T-34-85 tanks were modified to resemble [[Tiger I]] tanks, due to the rarity of the latter.<ref name="SPROE" /> In [[Sydney Pollack]]'s 1969 movie ''[[Castle Keep]]'', barely modified T-34-85 tanks were used as German tanks.<ref name="CKEEP">{{citation |url=https://www.youtube.com/watch?v=6GSaesy7ZIA |work=YouTube |title=Castle Keep Trailer}}</ref>
An enormous number of T-34s and T-34-85s were produced; the Soviets used them aggressively in campaigns in Europe and Asia, and they were distributed to the Soviets' allies all over the world. Due to all three factors, there are hundreds of surviving T-34s. Examples of this tank are in the collections of most significant military museums, and hundreds more serve as war memorials. Many are in private ownership, and demilitarised working tanks change hands for U.S. $20,000–40,000. Some still may serve in a second-line capacity in a number of [[Third World]] militaries, while others may find use in a civilian capacity, primarily in film-making. In many World War II films, such as ''[[Saving Private Ryan]]'',<ref name="SPROE">{{citation |url=http://www.sproe.com/t/tank-tiger.html |encyclopedia=Saving Private Ryan Online Encyclopedia |title=Sd.Kfz. 181 PzKpfw VI Tiger I Tank |access-date=14 August 2012 |archive-date=18 April 2012 |archive-url=https://web.archive.org/web/20120418011726/http://www.sproe.com/t/tank-tiger.html |url-status=live }}</ref> ''[[Battle of Neretva (film)|Battle of Neretva]]'', and ''[[Kelly's Heroes]]'',<ref>{{citation |url=http://imcdb.org/vehicle_31790-Uralvagonzavod-T-34-85-1944.html |work=Internet Movie Cars Database |title=1944 Uralvagonzavod T-34/85 (Customized as Tiger I) |access-date=14 August 2012 |archive-date=14 October 2012 |archive-url=https://web.archive.org/web/20121014185900/http://www.imcdb.org/vehicle_31790-Uralvagonzavod-T-34-85-1944.html |url-status=live }} Cross of Iron</ref> T-34-85 tanks were modified to resemble [[Tiger I]] tanks, due to the rarity of the latter.<ref name="SPROE" /> In [[Sydney Pollack]]'s 1969 movie ''[[Castle Keep]]'', barely modified T-34-85 tanks were used as German tanks.


In 2000, a T-34 Model 1943 was recovered that had spent 56 years at the bottom of a [[bog]] in [[Estonia]].<ref>[http://www.mil.hiiumaa.ee/2000_09_14_kurtna_T-34-36/ Tanki T34-76 väljatõmbamine Kurtna järvest (WWII Trophy tank)]. ''Militaarne Hiiumaa'' web site, text republished from ''Komatsu Times'' vol 3 no 1. English and Estonian language, retrieved on February 3, 2007.</ref> The tank had been captured and used by retreating German troops, who dumped it in the swamp when it ran out of fuel. The [[anaerobic environment]] of the bog preserved the tank and ensured there were no signs of oil leakage, rust, or other significant water damage. The engine was restored to full working order.<ref>[http://www.diving.ee/articles/art035.html Подъем танка (pulling tank) T-34]. ''Otsing Club'' web site. Russian language, retrieved on February 3, 2007.</ref><ref>{{cite web|url=http://englishrussia.com/2006/09/17/russian-tank-recovered-from-the-lake-after-50-years-been-there/|title=Russian Tank Recovered from the Lake After 50 Years Been ThereEnglish Russia|accessdate=15 November 2014|date=2006-09-17}}</ref>
In 2000, a T-34 Model 1943 was recovered that had spent 56 years at the bottom of a [[bog]] in [[Estonia]].<ref>[http://www.mil.hiiumaa.ee/2000_09_14_kurtna_T-34-36/ Tanki T34-76 väljatõmbamine Kurtna järvest (WWII Trophy tank)] {{Webarchive|url=https://web.archive.org/web/20120825052824/http://www.mil.hiiumaa.ee/2000_09_14_kurtna_T-34-36/ |date=25 August 2012 }}. ''Militaarne Hiiumaa'' web site, text republished from ''Komatsu Times'' vol 3 no 1. English and Estonian language, retrieved on 3 February 2007.</ref> The tank had been captured and used by retreating German troops, who dumped it in the swamp when it ran out of fuel. The [[anaerobic environment]] of the bog preserved the tank and ensured there were no signs of oil leakage, rust, or other significant water damage. The engine was restored to full working order.<ref>[http://www.diving.ee/articles/art035.html Подъем танка (pulling tank) T-34] {{Webarchive|url=https://web.archive.org/web/20210809101144/http://www.diving.ee/articles/art035.html |date=9 August 2021 }}. ''Otsing Club'' web site. Russian language, retrieved on 3 February 2007.</ref><ref>{{cite web|url=http://englishrussia.com/2006/09/17/russian-tank-recovered-from-the-lake-after-50-years-been-there/|title=Russian Tank Recovered from the Lake After 50 Years Been There|website=English Russia|access-date=15 November 2014|date=17 September 2006|archive-date=17 November 2014|archive-url=https://web.archive.org/web/20141117192914/http://englishrussia.com/2006/09/17/russian-tank-recovered-from-the-lake-after-50-years-been-there|url-status=live}}</ref>


Other significant surviving T-34s include a Model 1941 at the [[United States Army Ordnance Museum|U.S. Army Ordnance Museum]] in [[Fort_Lee_(Virginia)|Fort Lee, Virginia]]—one of the oldest surviving vehicles. The French [[Musée des Blindés]] at Saumur holds two T-34s, including one in full working condition that is displayed in action at its summer "Carrousel" live tank exhibition.<ref>{{cite web |url=http://www.museedesblindes.fr/spip.php?article23 |title=Musée des blindés de Saumur : Toute l'histoire du blindé |accessdate=2013-03-22 |url-status=dead |archiveurl=https://archive.is/20130412201548/http://www.museedesblindes.fr/spip.php?article23 |archivedate=2013-04-12 }}</ref> The [[Mandela Way T-34 Tank]], a privately owned T-34-85 named after the street in which it is sited (near [[Bermondsey]], London), is frequently repainted by artists and graffitists.<ref>{{Cite web|url=http://bermondsey.org/mandela-way-t-34-tank/|title=Mandela Way T-34 Tank|website=bermondsey.org|access-date=2016-03-13}}</ref>
Other significant surviving T-34s include a Model 1941 at the Aberdeen Proving Ground (intersection of Deer Creek Loop and Target Loop) in Maryland, one of the oldest surviving vehicles. The French [[Musée des Blindés]] at Saumur holds two T-34s, including one in full working condition that is displayed in action at its summer "Carrousel" live tank exhibition.<ref>{{cite web |url=http://www.museedesblindes.fr/spip.php?article23 |publisher=Musée des blindés de Saumur |title= Toute l'histoire du blindé |access-date=22 March 2013 |url-status=dead |archive-url=https://archive.today/20130412201548/http://www.museedesblindes.fr/spip.php?article23 |archive-date=12 April 2013 |lang=fr }}</ref> The [[Mandela Way T-34 Tank]], a privately owned T-34-85 named after the street in which it is sited (in [[Bermondsey]], London), is frequently repainted by artists and graffitists.<ref>{{cite web|url=http://bermondsey.org/mandela-way-t-34-tank/|title=Mandela Way T-34 Tank|website=bermondsey.org|access-date=13 March 2016|archive-date=27 August 2012|archive-url=https://web.archive.org/web/20120827015243/http://bermondsey.org/mandela-way-t-34-tank/|url-status=live}}</ref> In the United States, an operational T-34-85 is located at DriveTanks, on the Ox Ranch Property in Texas. Visitors to DriveTanks can pay to drive the T-34, as well as fire the main gun. This T-34 is reported to have served on the Eastern Front during the Russian march to take Berlin.<ref>{{Cite web |title=Tanks and Tracks |url=https://www.drivetanks.com/tanks-tracks |url-status=live |website=DriveTanks.com}}</ref>


==See also==
==See also==
{{Portal|Tanks}}
* [[List of tanks of the Soviet Union]]
* [[List of tanks of the Soviet Union]]
* [[Soviet combat vehicle production during World War II]]
* [[Soviet combat vehicle production during World War II]]
* [[T-34 (film)]]
* ''[[T-34 (film)|T-34]]'' (film)


===Tanks of comparable role, performance, and era===
===Tanks of comparable role, performance, and era===
Line 550: Line 591:
* Hungarian [[40M Turán|Turán III]]
* Hungarian [[40M Turán|Turán III]]
* Italian [[Carro Armato P 40]]
* Italian [[Carro Armato P 40]]
* Italian [[P43 tank|P43]] (proposal)
* Japanese [[Type 3 Chi-Nu]]
* Japanese [[Type 3 Chi-Nu]]
* Japanese [[Type 4 Chi-To]]
* Japanese [[Type 4 Chi-To]]
* Romanian [[1942 medium tank (Romania)|1942 medium tank]] (proposal)
* Soviet [[KV-13]]
* Swedish [[Stridsvagn m/42]]
* Swedish [[Stridsvagn m/42]]
* American [[M4 Sherman]]
* American [[M4 Sherman]]
* American [[M4 Sherman|M4A3E8 Easy Eight]]
{{Div col end}}
{{Div col end}}


==Notes==
==Notes==
{{reflist|group="notes"}}
{{reflist|group="notes"}}
{{notelist}}

;Citations
;Citations
{{reflist|30em}}
{{reflist|30em}}


==References==
==References==
{{refbegin|40em}}
{{refbegin|30em}}
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* {{cite book | author-link= Steven Zaloga |last1=Zaloga |first1= Steven J. |first2= James |last2=Grandsen |date=1983 |title=T-34 in Action |location=Carrollton, Texas |publisher= Squadron/Signal |isbn=0-89747-112-1 }}
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* {{cite book|last1= Zaloga |first1= Steven J. |first2= James |last2=Grandsen |date=1984 |title=Soviet Tanks and Combat Vehicles of World War Two |location= London |publisher= Arms and Armour Press |isbn=0-85368-606-8}}
* {{wikicite | id = Zaloga-1994 | reference = Zaloga, Steven J., Peter Sarson (1994). ''T-34 Medium Tank 1941–45'' (New Vanguard 9), Oxford: Osprey Publishing. {{ISBN|1-85532-382-6}}. }}
* {{cite book |last=Zaloga|first=Steven J. |others=illustrated by Peter Sarson |date=1994 |title=T-34 Medium Tank 1941–45 |series=New Vanguard 9 |location= Oxford |publisher=Osprey Publishing |isbn=1-85532-382-6 }}
* {{wikicite | id = Zaloga-1996 | reference = Zaloga, Steven J., Jim Kinnear (1996). ''T-34-85 Medium Tank 1944–94'' (New Vanguard 20), Oxford: Osprey Publishing. {{ISBN|1-85532-535-7}}. }}
* {{cite book | last1= Zaloga |first1=Steven J. |first2=Jim |last2=Kinnear |date=1996 |title=T-34-85 Medium Tank 1944–94 |series=New Vanguard 20 |location=Oxford |publisher=Osprey Publishing |isbn=1-85532-535-7}}
* {{wikicite | id = Zaloga-1997 | reference = Zaloga, Steven J., Jim Kinnear, Andrey Aksenov & Aleksandr Koshchavtsev (1997). ''Soviet Tanks in Combat 1941–45: The T-28, T-34, T-34-85, and T-44 Medium Tanks'', Hong Kong: Concord Publication. {{ISBN|962-361-615-5}}}}
* {{cite book | last1= Zaloga |first1= Steven J. |first2= Jim |last2=Kinnear |first3=Andrey |last3=Aksenov |first4= Aleksandr |last4=Koshchavtsev |date=1997 |title=Soviet Tanks in Combat 1941–45: The T-28, T-34, T-34-85, and T-44 Medium Tanks |location= Hong Kong |publisher= Concord Publication |isbn=962-361-615-5}}
* {{wikicite | id = Zaloga-1998 | reference = Zaloga, Steven J., Leland S. Ness (1998). ''Red Army Handbook 1939–1945.'' Stroud, UK: Sutton Publishing. {{ISBN|978-0750917407}}. }}
* {{wikicite | id = Zaloga-1998 | reference = {{cite book |last1= Zaloga |first1=Steven J. |first2= Leland S. |last2=Ness |date=1998 |title=Red Army Handbook 1939–1945 |location=Stroud, UK |publisher= Sutton Publishing |isbn=978-0750917407}} }}
* {{wikicite | id = Zaloga-2004 | reference = Zaloga, Steven J., Hugh Johnson (2004). ''T-54 and T-55 Main Battle Tanks 1944–2004.'' Oxford: Osprey Publishing. {{ISBN|1-84176-792-1}}. }}
*{{cite book|last=Zaloga|first=Steven J. |others=illustrated by Hugh Johnson |date=2004 |title=T-54 and T-55 Main Battle Tanks 1944–2004 |series=New Vanguard 102 |location=Oxford |publisher= Osprey Publishing |isbn=1-84176-792-1 }}
* {{wikicite | id = Zaloga-2007 | reference = Zaloga, Steven J. (2007). ''Japanese Tanks 1939–45.'' Oxford: Osprey Publishing. {{ISBN|978-1-84603-091-8}}.}}
*{{cite book |last=Zaloga|first=Steven J. |others=illustrated by Peter Bull |date=2007 |title=Japanese Tanks 1939–45|series= New Vanguard 137 |location=Oxford |publisher= Osprey Publishing|isbn=978-1-84603-091-8 }}
* {{wikicite | id = Zaloga-2010 | reference = Zaloga, Steven J. (2010). ''T-34-85 vs. M26 Pershing, Korea 1950.'' Oxford: Osprey Publishing, {{ISBN|978-1-84603-990-4}}. }}
* {{cite book |last= Zaloga |first= Steven J. |date=2010 |title=T-34-85 vs. M26 Pershing, Korea 1950. |location= Oxford |publisher= Osprey Publishing |isbn=978-1-84603-990-4 |series=Duel 32 |ref=Reference-Zaloga-2010}}
* {{cite book |last= Zaloga |first= Steven J. |date=2015 |title=Armored Champion: The Top Tanks of World War II |publisher=Stackpole Books |isbn=9780811714372 }}
* {{wikicite | id = Zheltov-1999 | reference = Zheltov, I., M. Pavlov, I. Pavlov (1999). "Tanki BT. chast 3. Kolyosno-gusenychny tank BT-7" ("BT Tanks, part 3: BT-7 wheeled/tracked tank"), in ''Armada'' no. 17, p.13. Moscow. }}
* {{citation|last1= Zheltov |first1= I. |first2= M. |last2=Pavlov |first3= I. |last3=Pavlov |date=1999 |title=Tanki BT. chast 3. Kolyosno-gusenychny tank BT-7 |trans-title=BT Tanks, part 3: BT-7 wheeled/tracked tank |work=Armada | number= 17 |page=13 |location= Moscow }}
* {{wikicite | id = Zheltov-2001 | reference = Zheltov, I., M. Pavlov, I. Pavlov (2001). ''Neizvestnyy T-34'' (''The Unknown T-34''). Moscow: Eksprint. {{ISBN|5-94038-013-1}} }}
* {{cite book | last1= Zheltov |first1=I |last2=Pavlov |first2=M |first3=I |last3=Pavlov |date=2001 |title=Neizvestnyy T-34 |trans-title=The Unknown T-34 |location=Moscow |publisher=Eksprint |isbn=5-94038-013-1 |lang=ru}}
*{{cite book |title=The Chinese People's Liberation Army since 1949 |first= Benjamin |last= Lai |isbn= 9781780960562 |publisher=Osprey |date=2012 |series=Elite No. 194}}
*{{cite book |last1=MacArthur |first1=Douglas |author2-link=United States Army Center of Military History |last2=United States Army Center of Military History |author1-link=Douglas MacArthur |title=Reports of General MacArthur - Japanese Operations in the Southwest Pacific Area Volume II - Part II |date=31 January 1994 |publisher=U.S. Army Center of Military History |location=Washington, D.C. |url=https://history.army.mil/books/wwii/MacArthur%20Reports/MacArthur%20V2%20P2/ch21.htm |access-date=26 September 2023}}
*{{cite book |last1=Glantz |first1=LTC David M. |title=Leavenworth Papers No. 7 - August Storm: The Soviet 1945 Strategic Offensive in Manchuria |date=1983 |publisher=Combat Studies Institute |location=U.S. Army Command and General Staff College Fort Leavenworth, KS |url=https://www.armyupress.army.mil/Portals/7/combat-studies-institute/csi-books/Glantz-lp7.pdf |access-date=26 September 2023}}
*{{cite book |last1=Glantz |first1=LTC David M. |title=Leavenworth Papers No. 8 - August Storm: Soviet Tactical and Operational Combat in Manchuria, 1945 |date=1983 |publisher=Combat Studies Institute |location=U.S. Army Command and General Staff College Fort Leavenworth, KS |url=https://www.armyupress.army.mil/Portals/7/combat-studies-institute/csi-books/Glantz-lp8.pdf |ref={{harvid|Leavenworth Papers No. 8}}|access-date=26 September 2023}}
{{refend}}

===Further reading===
{{refbegin|30em}}
* {{cite book |last1= Chant |first1= Christopher |orig-date=1994 |date=1996 |title= World Encyclopedia of the Tank: An International History of the Armoured Fighting Machine |location= Somerset |publisher= Patrick Stephens (Haynes) |isbn=1-85260-114-0}}
* {{cite book |last= Cole |first= Hugh M. |title=The Ardennes: Battle of the Bulge |location= Washington, DC |publisher= Office of the Chief of Military History, Department of the Army |date= 1965}}
* {{cite magazine |last1=Para |first1= Carl |date=April 2002 |title=Military Heritage feature on the T-34 |magazine=Military Heritage |volume= 3 |number= 5 |pages= 18–20, 22–23}}
* {{cite book | last1= Perrett |first1=Bryan |date=1999 |title=Panzerkampfwagen IV Medium Tank, 1936–45 |series=New Vanguard 28 |location=Oxford |publisher=Osprey Publishing |isbn=1-85532-843-7}}
* {{cite magazine |last=Sewell |first= Stephen 'Cookie' |date=1998 |url=https://www.knox.army.mil/center/ArmorMag/backissues/1990s/1998/ja98/4sewell98.pdf |title=Why Three Tanks?" |magazine=Armor |volume= 108 |issue=4 | page= 21 |location= Fort Knox, KY |publisher= US Army Armor Center |issn=0004-2420}} {{dead link|date=April 2021}}
* {{cite book |author-link=Friedrich von Mellenthin|last=Von Mellenthin |first= Major General F. W. |orig-date=1956 |title=[[Panzer Battles (book)|Panzer Battles: A Study of the Employment of Armor in the Second World War]] |date= 1971 |location=New York |publisher= Ballantine Books |isbn=0-345-24440-0}}
{{refend}}
{{refend}}


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========
========
=-->
=-->
* [http://www.wirtualne.muzeumbronipancernej.pl/ Full panorama of external and internal T34/85]
* [https://web.archive.org/web/20120108120345/http://www.wirtualne.muzeumbronipancernej.pl/ Full panorama of external and internal T34/85]
* [http://www.wwiivehicles.com/ussr/tanks-medium/t-34.asp T34] and [http://www.wwiivehicles.com/ussr/tanks-medium/t-34-85.asp T34/85] at wwiivehicles.com
* [http://www.wwiivehicles.com/ussr/tanks-medium/t-34.asp T34] and [http://www.wwiivehicles.com/ussr/tanks-medium/t-34-85.asp T34/85] at wwiivehicles.com
* [http://legion-afv.narod.ru/T-34-76.html The T-34], tanks in museums and monuments.
* [http://legion-afv.narod.ru/T-34-76.html The T-34], tanks in museums and monuments.
Line 634: Line 688:
* [https://web.archive.org/web/20121102202903/http://www.scribd.com/doc/29617825/T-34-Tank-Field-Repair-Manual Field Repair Manual] {{in lang|ru}} Soviet manual covering the field repair of the T-34 Tank
* [https://web.archive.org/web/20121102202903/http://www.scribd.com/doc/29617825/T-34-Tank-Field-Repair-Manual Field Repair Manual] {{in lang|ru}} Soviet manual covering the field repair of the T-34 Tank
* [http://www.operationbarbarossa.net/the-t-34-in-wwii-the-legend-vs-the-performance/ The T-34 in WWII: the Legend vs. the Performance]
* [http://www.operationbarbarossa.net/the-t-34-in-wwii-the-legend-vs-the-performance/ The T-34 in WWII: the Legend vs. the Performance]
*The 2018 movie [https://m.imdb.com/title/tt8396188/ Tanks for Stalin] provides a fictionalized account of the cross country field test.
{{WWIISovietAFVs}}
{{WWIISovietAFVs}}
{{WWII tanks|style=wide}}

{{Authority control}}
{{Authority control}}


[[Category:Medium tanks of the Soviet Union]]
[[Category:Medium tanks of the Soviet Union]]
[[Category:Military vehicles introduced in 1940–1944]]
[[Category:Military vehicles introduced from 1940 to 1944]]
[[Category:World War II tanks of the Soviet Union]]
[[Category:World War II tanks of the Soviet Union]]
[[Category:History of the tank]]
[[Category:History of the tank]]

Latest revision as of 20:42, 3 December 2024

T-34
T-34-85 medium tank
TypeMedium tank
Place of originSoviet Union
Service history
In service1940–present
Used bySoviet Union and 39 others
WarsWorld War II
Korean War
East German uprising of 1953
Hungarian Revolution of 1956
Vietnam War
Suez Crisis
Bay of Pigs Invasion
North Yemen Civil War
Six-Day War
Yom Kippur War
1974 Cypriot coup d'état
Turkish invasion of Cyprus
Ethiopian Civil War
Angolan Civil War
Ogaden War
Vietnamese invasion of Kampuchea
Sino-Vietnamese War
Yemenite War of 1979
Soviet–Afghan War
Iran-Iraq War
Yugoslav Wars
Syrian Civil War
Yemeni Civil War (2014–present)
Production history
DesignerKhMDB
Designed1937–1940
Unit cost3,094–9,000 Man hours[1]
130,000–429,000 Rbls[2]
Produced1940–1946 (USSR),
1951–1955 (Poland),
1951–1958 (Czechoslovakia)
No. built84,070[3]
35,120 T-34[3]
48,950 T-34-85[3]
VariantsSee T-34 variants
Specifications (T-34 Model 1941[7])
Mass
  • 26.5 tonnes (29.2 short tons; 26.1 long tons)
  • 32.4 tonnes (35.7 short tons; 31.9 long tons) (T-34-85)
Length6.68 m (21 ft 11 in)
Width3.00 m (9 ft 10 in)
Height2.46 m (8 ft 1 in)
Crew4 (T-34)

ArmourHull front 47 mm /60° (upper part)[4]
45 mm (1.8")/60° (lower part),
Hull side 40 mm[5]/41°(upper part),
Hull rear 45 mm,
Hull top 20 mm,
Hull bottom 15 mm;
Turret front 60 mm (round),
Turret side 52 mm/30°,
Turret rear 30 mm,
Turret top 16 mm [verification needed]
Main
armament
76.2 mm (3.00 in) F-34 tank gun
Secondary
armament
2 × 7.62 mm (0.3 in) DT machine guns
EngineModel V-2-34 38.8 L V12 Diesel engine
500 hp (370 kW)
Power/weight18.9 hp (14 kW) / tonne (T-34)
SuspensionChristie
Ground clearance0.4 m (16 in)
Operational
range
Road:
330 km (210 mi)
Cross-country:
200 km (120 mi) [a][6]
Maximum speed 53 km/h (33 mph)

The T-34 is a Soviet medium tank from World War II. When introduced, its 76.2 mm (3 in) tank gun was more powerful than many of its contemporaries,[8] and its 60-degree sloped armour provided good protection against anti-tank weapons. The T-34 had a profound effect on the conflict on the Eastern Front, and had a long-lasting impact on tank design. The tank was praised by multiple German generals when encountered during Operation Barbarossa, although its armour and armament were surpassed later in the war. Its main strength was its cost and production time, meaning that German panzer forces would often fight against Soviet tank forces several times their own size. The T-34 was also a critical part of the mechanized divisions that formed the backbone of the deep battle strategy.

The T-34 was the mainstay of the Soviet Red Army armoured forces throughout the war. Its general specifications remained nearly unchanged until early 1944, when it received a firepower upgrade with the introduction of the greatly improved T-34-85 variant. Its production method was continuously refined and rationalized to meet the needs of the Eastern Front, making the T-34 quicker and cheaper to produce. The Soviets ultimately built over 80,000 T-34s of all variants, allowing steadily greater numbers to be fielded despite the loss of tens of thousands in combat against the German Wehrmacht.[9]

Replacing many light and medium tanks in Red Army service, it was the most-produced tank of the war, as well as the second most-produced tank of all time (after its successor, the T-54/T-55 series).[10] With 44,900 lost or damaged during the war, it also suffered the most tank losses ever.[11] Its development led directly to the T-44, then the T-54 and T-55 series of tanks, which in turn evolved into the later T-62, that form the armoured core of many modern armies. T-34 variants were widely exported after World War II, and as recently as 2023 more than 80 were still in service.[12]

Development and production

[edit]

Origins

[edit]

In 1939, the most numerous Soviet tank models were the T-26 infantry tank and the BT series of fast tanks. The T-26 was slow-moving, designed to keep pace with infantry on the ground. The BT tanks were cavalry tanks: fast-moving and light, designed for manoeuver warfare. Both were Soviet developments of foreign designs from the early 1930s: the T-26 was based on the British Vickers 6-Ton, and the BT tanks were based on a design from American engineer J. Walter Christie.[13]

BT-7, A-20, T-34 (model 1940), and T-34 (model 1941)

In 1937, the Red Army had assigned engineer Mikhail Koshkin to lead a new team to design a replacement for the BT tanks at the Kharkiv Komintern Locomotive Plant (KhPZ). The prototype tank, designated A-20, had a modified BA-20 engine and was specified with 20 mm (0.8 in) of armour, a 45 mm (1.77 in) gun, the production model used a Model V-2-34 engine, a less-flammable diesel fuel in a V12 configuration designed by Konstantin Chelpan. It also had an 8×6-wheel convertible drive similar to the BT tank's 8×2, which allowed it to run on wheels without caterpillar tracks.[14][page needed] This feature had greatly saved on maintenance and repair of the unreliable tank tracks of the early 1930s, and allowed tanks to exceed 85 kilometres per hour (53 mph) on roads, but gave no advantage in combat and its complexity made it difficult to maintain. By 1937–38, track design had improved and the designers considered it a waste of space, weight, and maintenance resources, despite the road speed advantage.[15] The A-20 also incorporated previous research (BT-IS and BT-SW-2 projects) into sloped armour: its all-round sloped armour plates were more likely to deflect rounds than perpendicular armour.[16]

During the Battle of Lake Khasan in July 1938 and the Battles of Khalkhin Gol in 1939, an undeclared border war with Japan on the frontier with occupied Manchuria, the Soviets deployed numerous tanks against the Imperial Japanese Army (IJA). Although the IJA Type 95 Ha-Go light tanks had diesel engines,[17][page needed] the Red Army's T-26 and BT tanks used petrol engines which, while common in tank designs of the time, often burst into flames when hit by IJA tank-killer teams[18] using Molotov cocktails. Poor-quality welds in the Soviet armour plates left small gaps between them, and flaming petrol from the Molotov cocktails easily seeped into the fighting and engine compartment; portions of the armour plating that had been assembled with rivets also proved to be vulnerable.[19] The Soviet tanks were also easily destroyed by the Japanese Type 95 tank's 37 mm gunfire, despite the low velocity of that gun,[20] or "at any other slightest provocation".[21] The use of riveted armour led to a problem whereby the impact of enemy shells, even if they failed to disable the tank or kill the crew on their own, would cause the rivets to break off and become projectiles inside the tank.

Medium tank A-32

After these battles, Koshkin convinced Soviet leader Joseph Stalin to let him develop a second prototype, a more heavily armed and armoured "universal tank" that reflected the lessons learned and could replace both the T-26 and the BT tanks. Koshkin named the second prototype A-32, after its 32 mm (1.3 in) of frontal armour. It had an L-10 76.2 mm (3 in) gun, and the same Model V-2-34 diesel.[5] Both were tested in field trials at Kubinka in 1939, with the heavier A-32 proving to be as mobile as the A-20. A still heavier version of the A-32, with 45 mm (1.77 in) of front armour, wider tracks, and a newer L-11 76.2 mm gun, was approved for production as the T-34. Koshkin chose the name after the year 1934, when he began to formulate his ideas about the new tank, and to commemorate that year's decree expanding the armoured force and appointing Sergo Ordzhonikidze to head tank production.[22]

Valuable lessons from Lake Khasan and Khalkhin Gol regarding armour protection, mobility, quality welding, and main guns were incorporated into the new T-34 tank, which represented a substantial improvement over the BT and T-26 tanks in all four areas.[23] Koshkin's team completed two prototype T-34s in January 1940. In April and May, they underwent a grueling 2,000-kilometre (1,200 mi) drive from Kharkiv to Moscow for a demonstration for the Kremlin leaders, to the Mannerheim Line in Finland, and back to Kharkiv via Minsk and Kiev.[22] Some drivetrain shortcomings were identified and corrected.[24]

Initial production

[edit]
Pre-production prototype A-34 with a complex single-piece hull front.

Resistance from the military command and concerns about high production cost were finally overcome by anxieties about the poor performance of Soviet tanks in the Winter War in Finland, and the effectiveness of German tanks during the Battle of France. The first production T-34s were completed in September 1940, completely replacing the production of the T-26, the BT series and the multi-turreted T-28 medium tank at the KhPZ plant.[25] Koshkin died of pneumonia (exacerbated by the drive from Kharkiv to Moscow) at the end of that month, and the T-34's drivetrain developer, Alexander Morozov, was appointed Chief Designer.[26]

The T-34 posed new challenges for the Soviet industry. It had heavier armour than any medium tank produced to date, and there were problems with defective armour plates.[27] Only company commanders' tanks could be fitted with radios (originally the 71-TK-3 radio set), due to their expense and short supply – the rest of the tank crews in each company signalled with flags.[28] The L-11 gun did not live up to expectations, so the Grabin Design Bureau at Gorky Factory N.92 designed the superior 76.2 mm F-34 gun.[b] No bureaucrat would approve production of the new gun, but Gorky and KhPZ started producing it anyway; official permission came from the State Defense Committee only after troops praised the weapon's performance in combat against the Germans.[26]

Production of this first T-34 series – the Model 1940 – totalled only about 400,[29] before production was switched to the Model 1941, with the F-34 gun, 9-RS radio set (also installed on the SU-100), and even thicker armour.[30]

Mass production

[edit]
T-34 tanks headed to the front.

Subassemblies for the T-34 originated at several plants: Kharkiv Diesel Factory N.75 supplied the model V-2-34 engine, Leningrad Kirovsky Factory (formerly the Putilov works) made the original L-11 gun, and the Dinamo Factory in Moscow produced electrical components. Tanks were initially built at Plant N.183, in early 1941 at the Stalingrad Tractor Factory (STZ), and starting in July at Krasnoye Sormovo Factory N.112 in Gorky.[27][c]

Total Soviet tank production[32]
Type Number
Light tanks 14,508
T-34 35,119
T-34-85 29,430
KV and KV-85 4,581
IS 3,854
SU-76 12,671
SU-85 2,050
SU-100 1,675
SU-122 1,148
SU-152 4,779

After Germany's surprise invasion of the Soviet Union on 22 June 1941 (Operation Barbarossa), the Wehrmacht's rapid advances forced the evacuation and relocation of Soviet tank factories eastwards to the Ural Mountains, an undertaking of immense scale and haste that presented enormous logistic difficulties and was extremely punishing to the workers involved. Alexander Morozov personally supervised the evacuation of all skilled engineers and laborers, machinery and stock from KhPZ to re-establish the factory at the site of the Dzerzhinsky Ural Railcar Factory in Nizhny Tagil, renamed Stalin Ural Tank Factory N.183.[33] The Kirovsky Factory, evacuated just weeks before the Germans surrounded Leningrad, moved with the Kharkiv Diesel Factory to the Stalin Tractor Factory in Chelyabinsk, soon to be nicknamed Tankograd ("Tank City"). The workers and machinery from Leningrad's Voroshilov Tank Factory N.174 were incorporated into the Ural Factory and the new Omsk Factory N.174. The Ordzhonikidze Ural Heavy Machine Tool Works (UZTM) in Sverdlovsk absorbed workers and machines from several small machine shops in the path of German forces.

While these factories were being rapidly moved, the industrial complex surrounding the Dzerzhinsky Tractor Factory in Stalingrad continued to work double shifts throughout the period of withdrawal (September 1941 to September 1942) to make up for production lost, and produced 40% of all T-34s during the period.[34] As the factory became surrounded by heavy fighting in the Battle of Stalingrad in 1942, the situation there grew desperate: manufacturing innovations were necessitated by material shortages, and stories persist of unpainted T-34 tanks driven out of the factory directly to the battlefields around it.[35] Stalingrad kept up production until September 1942.

Soviet designers were aware of design deficiencies in the tank, but most of the desired remedies would have slowed tank production and so were not implemented: the only changes allowed on the production lines through to 1944 were those to make production simpler and cheaper. New methods were developed for automated welding and hardening the armour plate, including innovations by Prof. Evgeny Paton.[36] The design of the 76.2 mm F-34 gun Model 1941 was reduced from an initial 861 parts to 614.[37] The initial narrow, cramped turrets, both the cast one and the one welded of rolled armour plates bent to shape, were since 1942 gradually replaced with the somewhat less cramped hexagonal one; as it was mostly cast with only a few, simple flat armour plates welded in (roof etc.), this turret was actually faster to produce. Limited rubber supplies led to the adoption of all-steel, internally sprung road wheels, and a new clutch was added to an improved five-speed transmission and engine, improving reliability.[38]

Polish T-34 Model 1942 in Poznań, Poland. The model 1942's hexagonal turret distinguishes it from earlier models.

Over two years, the unit production cost of the T-34 was reduced from 269,500 Rbls in 1941, to 193,000 Rbls, and then to 135,000 Rbls.[37]

In 1943, T-34 production had reached an average of 1,300 per month; this was the equivalent of three full-strength tank divisions.[39] By the end of 1945, over 57,300 T-34s had been built: 34,780 T-34 tanks in multiple variants with 76.2 mm guns in 1940–44,[citation needed] and another 22,609 of the revised T-34-85 model in 1944–45.[40] The single largest producer was Factory N.183 (UTZ), building 28,952 T-34s and T-34-85s from 1941 to 1945. The second-largest was Krasnoye Sormovo Factory N.112 in Gorky, with 12,604 in the same period.[41]

At the start of the German-Soviet war, T-34s comprised about four percent of the Soviet tank arsenal, but by the end it made up at least 55% of tank production (based on figures from;[42] Zheltov lists even larger numbers[43][page needed]

Following the end of the war, a further 2,701 T-34s were built prior to the end of Soviet production. Under licence, production was restarted in Poland (1951–55) and Czechoslovakia (1951–58), where 1,380 and 3,185 T-34-85s were made, respectively, by 1956.[44] Altogether, as many as 84,070 T-34s are thought to have been built, plus 13,170 self-propelled guns built on T-34 chassis.[3] It was the most-produced tank of the Second World War, and the second most-produced tank of all time, after its successor, the T-54/55 series.[10]

Design

[edit]

Overview

[edit]

The T-34 had well-sloped armour, a relatively powerful engine and wide tracks.[28] The initial T-34 version had a powerful 76.2 mm gun, and is often called the T-34/76 (originally a World War II German designation, never used by the Red Army). In 1944, a second major version began production, the T-34-85, with a larger 85 mm gun intended to deal with newer German tanks.[28]

Comparisons can be drawn between the T-34 and the U.S. M4 Sherman tank. Both tanks were the backbone of the armoured units in their respective armies, both nations distributed these tanks to their allies, who also used them as the mainstay of their own armoured formations, and both were upgraded extensively and fitted with more powerful guns. Both were designed for mobility and ease of manufacture and maintenance, sacrificing some performance for these goals. Both chassis were used as the foundation for a variety of support vehicles, such as armour recovery vehicles, tank destroyers, and self-propelled artillery. Both were an approximately even match for the standard German medium tank, the Panzer IV, though each of these three tanks had particular advantages and weaknesses compared with the other two. Neither the T-34 nor the M4 was a match for Germany's heavier tanks, the Panther (technically a medium tank) or the Tiger I; the Soviets used the IS-2 heavy tank and the U.S. used the M26 Pershing as the heavy tanks of their forces instead.[45]

Soviet medium tank models of World War II[46]
Model T-34 Model 1940 T-34 Model 1941 T-34 Model 1942 T-34 Model 1943 T-43 prototype T-34-85 T-44
Weight 26 t
(29 tons)
26.5 t
(29.2 tons)
28.5 t
(31.4 tons)
30.9 t
(34.1 tons)
34 t
(37 tons)
32 t
(35 tons)
31.9 t
(35.2 tons)
Gun 76.2 mm L-11 76.2 mm F-34 76.2 mm F-34 76.2 mm F-34 76.2 mm F-34 85 mm ZiS-S-53 85 mm ZiS-S-53
Ammunition 76 rounds 77 rounds 77 rounds 100 rounds 60 rounds 58 rounds
Fuel (internal) 460 L
(100 imp gal; 120 US gal)
460–610 L
(100–130 imp gal; 120–160 US gal) 610 L with additional fuel tanks
460–790 L
(100–170 imp gal; 120–210 US gal) 790 L with additional fuel tanks
556–935 L
(122–206 imp gal; 147–247 US gal) 935 L with additional fuel tanks
500–642 L
(110–141 imp gal; 132–170 US gal) 642 L with additional fuel tanks
Road range 330 km
(210 mi)
330–450 km
(210–280 mi)
240 km
(150 mi)
300–485 km
(186–301 mi)
240–300 km
(150–190 mi)
Cross-country range 200 km
(120 mi)
200–260 km
(120–160 mi)
180 km
(110 mi)
160–310 km
(99–193 mi)
150–210 km
(93–130 mi)
Armour 15–45 mm
(0.59–1.77 in)
20–52 mm
(0.79–2.05 in)
20–65 mm
(0.79–2.56 in)
20–70 mm
(0.79–2.76 in)
16–90 mm
(0.63–3.54 in)
20–90 mm
(0.79–3.54 in)
15–120 mm
(0.59–4.72 in)
Cost 270,000 Rbls 193,000 Rbls 135,000 Rbls 164,000 Rbls

Dimensions, road speed and engine horsepower of the various models did not vary significantly, except for the T-43, which was slower than the T-34.

Armour

[edit]
Non-penetrating hits to the turret armour of an early variant T-34.

The heavily sloped armour design made the tank better protected than the armour thickness alone would indicate. The shape also saved weight by reducing the thickness required to achieve equal protection. A few tanks also had appliqué armour of varying thickness welded onto the hull and turret. Tanks thus modified were called s ekranami (Russian: с экранами, "with screens").[28]

The USSR donated two combat-used Model 1941 T-34s to the United States for testing purposes in late 1942.[47] The examinations, performed at the Aberdeen Proving Ground, revealed problems with overall armour build quality, especially of the plate joins and welds, as well as the use of soft steel combined with shallow surface tempering. Leak issues were noted: "In a heavy rain lots of water flows through chinks/cracks, which leads to the disabling of the electrical equipment and even the ammunition".[48] Earlier models of the T-34, until the Model 1942, had cast turrets whose armour was softer than that of the other parts of the tank, and offered poor resistance even to 37 mm anti-aircraft shells. Early T-34s also suffered from poor quality welds, leading to instances of shells which would not have penetrated the tank under normal circumstances to penetrate anyway. They also suffered from rushed manufacturing, leading to inconsistent protection.[49]

In addition, close examination of the T-34 at the Aberdeen Testing Ground showed that a variety of alloys were used in different portions of the armour on the T-34. "Mn-Si-Mo steels were employed for the thinner rolled armour sections, Cr-Mo steels for the thicker rolled armour sections, Mn-Si-Ni-Cr-Mo steels were employed for both rolled and cast steel components from 2" to 5" in thickness, and Ni-Cr-Mo steels were employed for some of the moderately thick cast armour sections".[50] The armour was heat-treated in order to prevent penetration by armour-piercing shells, but this also caused it to be structurally weak, as the armor was very hard and thus brittle, resulting in strikes by high explosive shells causing spalling.[49]

Despite these deficiencies, the T-34's armour proved problematic for the Germans in the initial stages of the war on the Eastern Front. In one wartime account, a single T-34 came under heavy fire upon encountering one of the most common German anti-tank guns at that stage of the war: "Remarkably enough, one determined 37 mm gun crew reported firing 23 times against a single T-34 tank, only managing to jam the tank’s turret ring."[51] Similarly, a German report of May 1942 noted the ineffectiveness of their 50 mm gun as well, noting that "Combating the T-34 with the 5 cm KwK tank gun is possible only at short ranges from the flank or rear, where it is important to achieve a hit as perpendicular to the surface as possible."[29] However, a Military Commissariat Report of the 10th Tank Division, dated 2 August 1941 reported that within 300–400 m the 37 mm Pak 36's armour-piercing shot could defeat the frontal armour.[52][53] According to an examination of damaged T-34 tanks in several repair workshops in August to September 1942, collected by the People's Commissariat for Tank Industry in January 1943, 54.3% of all T-34 losses were caused by the German long-barreled 5 cm KwK 39 gun.[54][55]

As the war went on, the T-34 gradually lost some of its initial advantages. The Germans responded to the T-34 by fielding large numbers of improved anti-tank weapons such as the towed 7.5 cm Pak 40 anti-tank gun, while hits from 88 mm-armed Tigers, anti-aircraft guns and 8.8 cm Pak 43 anti-tank guns usually proved lethal.[56] In 1942 the German Panzer IVs were refitted with the 7.5 cm KwK 40 due to the inadequate anti-tank performance of previous German tank designs against the T-34. The upgunned Panzer IV posed a serious threat to the T-34-76, being able to penetrate the frontal turret of a T-34-76 at a range of 1,200 m (3,900 ft) at any angle.[57][full citation needed]

A Wa Pruef 1 report estimated that, with the target angled 30° sideward, a Panther tank could penetrate the turret of a T-34-85 from the front at ranges up to 2000 m, the mantlet at 1200 m, and the frontal hull armour at 300 m.[58][full citation needed] According to the Pantherfibel (the Panther tank manual for its crew), the T-34's glacis could be penetrated from 800 m and the mantlet from 1500 m at 30° sideward angle.[59]

A Waffenamt-Prüfwesen 1 report estimated[60] that with the T-34 angled 30 degrees sidewards and APCBC round, the Tiger I's 8.8 cm KwK 36 L/56 would have to close in to 100 m (110 yd) to achieve a penetration in the T-34's glacis, and could penetrate the frontal turret of a T-34-85 at 1,400 m, the mantlet at 400 m, and the nose at 300 m[61] Ground trials by employees of NIBT Polygon in May 1943 reported that the 88 mm KwK 36 gun could pierce the T-34 frontal hull from 1,500 meters at 90 degrees and cause a disastrous burst effect inside the tank. The examined hull showed cracks, spalling, and delamination due to the poor quality of the armour. It was recommended to increase and improve the quality of welds and armour.[62]

Analysis of destroyed T-34 tanks in the Korean War found that the 76 and 90 mm armour-piercing rounds of the M41 Walker Bulldog and M46 Patton could penetrate the T-34 at most angles from 800 yd (730 m). The maximum range at which the tanks could penetrate the T-34 could not be determined due to a lack of data at higher combat ranges.[63]

In late 1950 a T-34-85 tank was captured by UN forces in the Korean War. An evaluation of the tank was conducted by the US which found that the sloped armour of the T-34 was desirable for deflecting shells. They also concluded that the armour was deemed as satisfactory as armour strength was comparable to US armour of similar hardness and that the quality of the material used was "high-grade". Similarly, casting was seen as high quality although casting defects were found in the side armour of the tank that negatively affected armour strength. The abundance of gaps in the joints of the armour was seen as an undesirable feature of the tank due to the risk of injury from "entry of bullet splash and shell fragments".[64]

Firepower

[edit]
T-34 side view, displaying the F-34 gun, with an ISU-122 and T-54 in background

The 76.2 mm (3.00 in) F-34 gun, fitted on the vast majority of T-34s produced through to the beginning of 1944, was able to penetrate any early German tank's armour at normal combat ranges. When firing APCR shells, it could pierce 92 mm (3.6 in) at 500 m (1,600 ft) and 60 mm (2.4 in) of armour at 1,000 m (3,300 ft)[65][page needed] The best German tanks of 1941, the Panzer III and Panzer IV, had no more than 50 or 60 mm (2.0 or 2.4 in) of flat frontal armour.[66] However by 1942 the Germans had increased the hull armour on the Panzer IV to 80 mm (3.1 in) which provided good protection at normal combat distances. The F-34 also fired an adequate high explosive round.

The gun sights and range finding for the F-34 main gun (either the TMFD-7 or the PT4-7[67]) were rather crude, especially compared to those of their German adversaries, affecting accuracy and the ability to engage at long ranges.[68] As a result of the T-34's two-man turret, weak optics and poor vision devices, the Germans noted:

T-34s operated in a disorganized fashion with little coordination or else tended to clump together like a hen with its chicks. Individual tank commanders lacked situational awareness due to the poor provision of vision devices and preoccupation with gunnery duties. A tank platoon would seldom be capable of engaging three separate targets but would tend to focus on a single target selected by the platoon leader. As a result, T-34 platoons lost the greater firepower of three independently operating tanks.[69]

The Germans also noted that the T-34 was very slow to find and engage targets, while their own tanks could typically get off three rounds for every one fired by the T-34.[69] As the war progressed the Germans created heavier tank designs like the Tiger I or Panther which were both immune to the 76mm gun of the T-34 when fired upon from the front.[70][71] This meant that they could only be penetrated from the sides at ranges of a few hundred metres. Due to low anti-tank performance, the T-34 was upgraded to the T-34-85 model. This model, with its 85 mm (3.35 in) ZiS gun, provided greatly increased firepower compared to the previous T-34's 76.2mm gun. The 85 mm gun could penetrate the turret front of a Tiger I tank from 500 m (550 yd) and the driver's front plate from 300 m (330 yd) at the side angle of 30 degrees, and the larger turret enabled the addition of another crew member, allowing the roles of commander and gunner to be separated and increasing the rate of fire and overall effectiveness.[72] The D-5T was capable of penetrating the Tiger I's upper hull armour at 1,000 metres.[73] When firing on the frontal armour of the Panther at an angle of 30 degrees sidewards, the T-34-85 could not penetrate its turret at 500 m (550 yd).[58] [further explanation needed] This meant that the T-34 would have to resort to using tungsten rounds or firing on the weaker sides of the Panther to destroy it.[74]

The greater length of the 85 mm gun barrel – 4.645 m (15 ft 2.9 in) – made it necessary for crews to be careful not to plough it into the ground on bumpy roads or in combat. Tank commander A.K. Rodkin commented: "the tank could have dug the ground with it in the smallest ditch [filling the barrel with dirt]. If you fired it after that, the barrel would open up at the end like the petals of a flower", destroying the barrel. Standard practice when moving the T-34-85 cross-country in non-combat situations was to fully elevate the gun, or reverse the turret.[75]

During the Korean War, the USA captured a T-34-85. US engineering analysis and testing concluded that the T-34-85 could penetrate 4.1 in (100 mm) at 1,000 yd (910 m), performing similarly to the HVAP rounds of the M41. The Americans also concluded the maximum range of the gun was 2–3 km (1.2–1.9 mi), but the effective range was only up to 1,900 m (1.2 mi).[citation needed]

Mobility

[edit]
The T-34's 12-cylinder Model V-2-34 diesel engine at the Finnish Tank Museum in Parola

The T-34 was powered by a Model V-2-34 38.8 L V12 Diesel engine of 500 hp (370 kW),[d] giving a top speed of 53 km/h (33 mph). It used the coil-spring Christie suspension of the earlier BT-series tanks, using a "slack track" tread system with a rear-mounted drive sprocket and no system of return rollers for the upper run of track, but dispensed with the heavy and ineffective convertible drive.[28] T-34 tanks equipped with the 4-speed gearbox could only use 4th gear on road, being limited to 3rd on terrain. In the first batch of T-34s, shifting from 2nd to 3rd required a force of 46-112 kg. In September 1941, however, changes were made which lowered the effort to under 31 kg by changing the 3rd gear ratio, which lowered top speed in 3rd gear from 29 km/h to 25 km/h, but made shifting easier. Using the 5-speed gearbox allowed the T-34 to use 4th gear on terrain, with which it could reach 30 km/h. [76]

The T-34-76's ground pressure was around 0.72 kg/cm².[77][78] Its wide tracks allowed for superior performance on dirt roads and off-road when compared to contemporary tanks.[77] There were, however, still examples of T-34s getting stuck in mud. For example, in 1944 February 4, the 21st Guards Tank Brigade with 32 T-34, was ordered to proceed by road to Tolstoye Rogi, a journey of approximately 80 kilometers. Of the 32 tanks, no less than 19 got stuck in the mud or suffered mechanical breakdowns.[79]

Ergonomics

[edit]

The original 76mm armed T-34 suffered from the unsatisfactory ergonomic layout of its crew compartment compared to the later 85mm variant. The two-man turret crew arrangement required the commander to aim and fire the gun, an arrangement common to most Soviet tanks of the day. The two-man turret was "cramped and inefficient"[80] and was inferior to the three-man (commander, gunner, and loader) turret crews of German Panzer III and Panzer IV tanks. The Germans noted the T-34 was very slow to find and engage targets while the Panzers could typically get off three rounds for every one fired by the T-34.[69]

Early in the war, the commander fought at a further disadvantage; the forward-opening hatch and the lack of a turret cupola forced him to observe the battlefield through a single vision slit and traversable periscope.[81] German commanders liked to fight "heads-up", with their seat raised and having a full field of view – in the T-34 this was impossible.[82] Soviet veterans condemned the turret hatches of the early models. Nicknamed pirozhok ("stuffed bun") because of its characteristic shape, it was heavy and hard to open. The complaints of the crews urged the design group led by Alexander Morozov to switch in August 1942[83] to using two hatches in the turret.[84]

The loader also had a difficult job due to the lack of a turret basket (a rotating floor that moves as the turret turns); the same fault was present on all German tanks prior to the Panzer IV. The floor under the T-34's turret was made up of ammunition stored in small metal boxes, covered by a rubber mat. There were nine ready rounds of ammunition stowed in racks on the sides of the fighting compartment. Once these rounds had been used, the crew had to pull additional ammunition out of the floor boxes, leaving the floor littered with open bins and matting and reducing their performance.[85]

The main weakness [of the two-man turret of a T-34 Model 1941] is that it is very tight. The Americans couldn't understand how our tankers could fit inside during a winter when they wear sheepskin jackets. The electrical mechanism for rotating the turret is very bad. The motor is weak, very overloaded and sparks horribly, as a result of which the device regulating the speed of the rotation burns out, and the teeth of the cogwheels break into pieces. They recommend replacing it with a hydraulic or simply manual system. Due to not having a turret basket the crew was [sic] could be injured by getting caught in the drive mechanism, this could leave them out of combat for a while, the lack of a turret basket also caused general discomfort to the crew, having to manually turn.[48]

Most of the problems created by the cramped T-34/76 turret, known before the war, were corrected with the provision of a bigger cast three-man turret[86] on the T-34-85 in 1944.

General reliability

[edit]

The T-34's wide track and good suspension gave it excellent cross-country performance. Early in the tank's life, however, this advantage was greatly reduced by the numerous teething troubles the design displayed: a long road trip could be a lethal exercise for a T-34 tank at the start of the war. When in June 1941, the 8th Mechanised Corps under Dmitry Ryabyshev marched 500 km towards Dubno, the corps lost half of its vehicles. A.V. Bodnar, who was in combat in 1941–42, recalled:

From the point of view of operating them, the German armoured machines were almost perfect, they broke down less often. For the Germans, covering 200 km was nothing, but with T-34s something would have been lost, something would have broken down. The technological equipment of their machines was better, the combat gear was worse.[87]

The T-34 gearbox had four forward and one reverse gear, replaced by a five-speed box on the last of the 1943 model of the T-34.[88]

The tracks of early models were the most frequently repaired part. A.V. Maryevski later remembered:

The caterpillars used to break apart even without a bullet or shell hits. When earth got stuck between the road wheels, the caterpillar, especially during a turn – strained to such an extent that the pins and tracks themselves couldn't hold out.[89]

The USSR donated two combat-used Model 1941 T-34s to the United States for testing purposes in late 1942. The examinations, performed at the Aberdeen Proving Ground, highlighted these early faults, which were in turn acknowledged in a 1942 Soviet report on the results of the testing:

The Christie's suspension was tested a long time ago by the Americans and unconditionally rejected. On our tanks, as a result of the poor steel on the springs, it very quickly fatigues and as a result clearance is noticeably reduced. The deficiencies in our tracks from their viewpoint result from the lightness of their construction. They can easily be damaged by small-caliber and mortar rounds. The pins are extremely poorly tempered and made of poor steel. As a result, they quickly wear and the track often breaks.[48]

Testing at Aberdeen also revealed that engines could grind to a halt from dust and sand ingestion, as the original "Pomon" air filter was almost totally ineffective and had an insufficient air-inflow capacity, starving the combustion chambers of oxygen, lowering compression, and thereby restricting the engine from operating at full capacity.[48] At the time of the Aberdeen testing, the alleged air filter issue was already remedied by the addition of "Cyclone" filters on the Model 1943,[29] and even more efficient "Multi-Cyclone" filters on the T-34-85.[40]

The testing at Aberdeen revealed other problems as well. The turret drive also suffered from poor reliability. The use of poorly machined, low quality steel side friction clutches and the T-34's outdated and poorly manufactured transmission meant frequent mechanical failure occurred and that they "create an inhuman harshness for the driver". A lack of properly installed and shielded radios – if they existed at all – restricted their operational range to under 16 km (9.9 mi).[48]

Judging by samples, Russians when producing tanks pay little attention to careful machining or the finishing and technology of small parts and components, which leads to the loss of the advantage what would otherwise accrue from what on the whole are well-designed tanks. Despite the advantages of the use of diesel, the good contours of the tanks, thick armor, good and reliable armaments, the successful design of the tracks etc., Russian tanks are significantly inferior to American tanks in their simplicity of driving, manoeuvrability, the strength of firing (reference to muzzle velocity), speed, the reliability of mechanical construction and the ease of keeping them running.[48]

Soviet tests on newly built T-34s showed that in April 1943 only 10.1% could complete a 330 km trial and in June ’43 this went down to 7.7%. The percentage stayed below 50% till October 1943 when it rose to 78%, in the next month it dropped to 57% and in the period December ’43 – January ’44 the average was 82%. During February 1944 tests, 79% of tanks reached 300 kilometers, and of the test batches 33% reached 1,000 kilometers. This became immediately apparent to the tank troops. The deputy commander of the 1st Guards Tank Army, P. G. Dyner, commented that tanks in 1943 would reach only 75 percent of their guaranteed life span in engine hours and mileage, but in 1944 they reached 150 percent.[90]

Percentage of T-34 tanks reaching 330 kilometers during factory trials[91]
1943 1944
Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb
10.1 23.0 7.7 28.6 43.0 46.0 78.0 57.0 83.6 83.4 79.0

In 1944 June, a report written by the 2. Panzerjäger-Abteilung Company 128 (23. PzDiv.) described experiences acquired during operations with its Beutepanzer SU-85 and T-34:

Despite not having much experience yet, it can be said that the Russian battle tank is not suitable for carrying out long marches as well as high-speed marches. A maximum driving speed of 10–12 km / h has become convenient. During the marches and in order to allow the engines to cool down, it is absolutely necessary to make a stop every half hour for a minimum duration of between fifteen and twenty minutes.

Steering gears have caused problems and breakdowns on all new battle tanks. In difficult terrain, during the gears or also during the course of attacks where many changes of direction are made, the steering clutch heats up and covers with oil quickly: consequently the clutch does not engage and it is impossible to maneuver the vehicle. Once it has cooled down, the clutch should be cleaned with copious amounts of fuel.

In relation to the armament and based on the experiences acquired so far, it can be affirmed that the power of the 7.62 cm cannon is good. If the barrel is adjusted correctly it has good precision even at great distances. The same can be said of the rest of the automatic weapons of the battle tank. The weapons have good precision and reliability, although a slow rate of fire.

The Company has had the same positive experiences with the 8.5 cm assault gun. Regarding the true power of fire compared to the 7.62 cm gun, the Company is not yet able to give details. The effect of explosive projectiles ( Sprenggranaten ) at great distances and its precision is much higher than that of the 7.62 cm cannon.

The optical systems of the Russian battle tank are, in comparison with the Germans, much inferior. The German gunner has to get used to the Russian telescopic sight. Observing the impact or the trajectory of the projectile through the telescopic sight is only partially possible. The gunner of the Russian T-43 [sic] battle tank has only a panoramic optic, located in the upper left area, in front of the telescopic sight. In order for the loader to be able to observe the trajectory of the projectile in any case, the Company has additionally incorporated a second panoramic optics for this member of the crew.

In the Russian tank it is very difficult to steer the vehicle or a unit and shoot simultaneously. Coordinating fire within a company is only partially possible.[92]

On 29 January 1945, the State Defense Committee approved a decree that extended the service life guarantee of the T-34's V-2-34 engine from 200 hours to 250 hours.[93] A report by the 2nd Guards Tank Army in February 1945 revealed that the average engine service life of a T-34 was lower than the official warranty at 185–190 hours. For comparison, the US M4 Sherman had an average engine service life of 195–205 hours.[94]

Operational history

[edit]

Operation Barbarossa (1941)

[edit]
German training mockup of a T-34 built over a captured Polish TK-3 tankette

Germany launched Operation Barbarossa, its invasion of the Soviet Union, on 22 June 1941. At the start of hostilities, the Red Army had 967 T-34 tanks and 508 KV tanks[95] concentrated in five[96] of their twenty-nine mechanized corps. The existence of the T-34 and KV heavy tanks proved a psychological shock to German soldiers, who had expected to face an inferior enemy.[97] The T-34 was superior to any tank the Germans then had in service. The diary of Alfred Jodl seems to express surprise at the appearance of the T-34 in Riga,[98] noting "the surprise at this new and thus unknown wunder-armament being unleashed against the German assault divisions".[99] Paul Ludwig Ewald von Kleist, called it "the finest tank in the world"[100] and Heinz Guderian affirmed the T-34's "vast superiority" over German tanks.[101][102]

Initially, the Wehrmacht had great difficulty destroying T-34s in combat, as standard German anti-tank weaponry proved ineffective against its heavy, sloped armour. In one of the first known encounters, a T-34 crushed a 3.7 cm PaK 36, destroyed two Panzer IIs, and left a 14-kilometre (8.7 mi) long swathe of destruction in its wake before a howitzer destroyed it at close range.[103] In another incident, a single Soviet T-34 was hit more than 30 times by a battalion-sized contingent of German 37mm and 50mm anti-tank guns, yet survived intact and drove back to its own lines a few hours later.[104] The inability to penetrate the T-34's armour led to the Germans' standard anti-tank gun, the 37 mm PaK 36, being dubbed the Panzeranklopfgerät ("tank door knocker") because the PaK 36 crew simply revealed their presence and wasted their shells without damaging the T-34's armour.[104] Anti-tank gunners began aiming at tank tracks, or vulnerable margins on the turret ring and gun mantlet, rather than the bow and turret armour.[104] The Germans were forced to deploy 105 mm field guns and 88 mm anti-aircraft guns in a direct fire role to stop them.[105]

Burning T-34, Soviet Union, 1941

Despite this, the Soviet corps equipped with these new tanks lost most of them within weeks.[106] The combat statistics for 1941 show that the Soviets lost an average of over seven tanks for every German tank lost.[107][108] The Soviets lost a total of 20,500 tanks in 1941 (approximately 2,300 of them T-34s, as well as over 900 heavy tanks, mostly KVs).[109] The destruction of the Soviet tank force was accomplished not only by the glaring disparity in the tactical and operational skills of the opponents, but also by mechanical defects that afflicted Soviet armour.[110] Besides the poor state of older tanks, the new T-34s and KVs suffered from initial mechanical and design problems, particularly with regard to clutches and transmissions. Mechanical breakdowns accounted for at least 50 percent of the tank losses in the summer fighting, and recovery or repair equipment was not to be found.[110] The shortage of repair equipment and recovery vehicles led the early T-34 crews to enter combat carrying a spare transmission on the engine deck.[111]

T-34 being used by the Wehrmacht

Other key factors diminishing the initial impact of T-34s on the battlefield were the poor state of leadership, tank tactics, initial lack of radios in tanks, and crew training; these factors were partially consequences of Stalin's purge of the Soviet officer corps in 1937, reducing the army's efficiency and morale.[112] This was aggravated as the campaign progressed by the loss of many of the properly trained personnel during the Red Army's disastrous defeats early in the invasion. Typical crews went into combat with only basic military training plus 72 hours of classroom instruction; according to historian Steven Zaloga:

The weakness of mechanized corps lay not in the design of their equipment, but rather in its poor mechanical state, the inadequate training of their crews, and the abysmal quality of Soviet military leadership in the first month of the war.[113]

Further action (1942–1943)

[edit]
Soviet T-34 tanks during the Operation Little Saturn in December 1942

As the invasion progressed, German infantry began receiving increasing numbers of the 7.5 cm Pak 40 anti-tank guns, which were capable of penetrating the T-34's armour at long range. Larger numbers of the 88 mm Flak guns also arrived, which could easily defeat a T-34 at very long ranges, though their size and general unwieldiness meant that they were often difficult to move into position in the rough Soviet terrain.[114]

At the same time, the Soviets incrementally upgraded the T-34. The Model 1942 featured increased armour on the turret and many simplified components. The Model 1943 (confusingly also introduced in 1942) had yet more armour, as well as increased fuel capacity and more ammunition storage. Also added were an improved engine air filter and a new clutch mated to an improved and more reliable five-speed transmission.[46] Finally, the Model 1943 also had a new, slightly roomier (but still two-man) turret of a distinctive hexagonal shape that was easier to manufacture, derived from the abandoned T-34M project.[38]

The T-34 was essential in resisting the German summer offensive in 1942, and executing the double encirclement manoeuvre that cut off the German Sixth Army at Stalingrad in December 1942. The Sixth Army was surrounded, and eventually surrendered in February 1943, a campaign widely regarded as the turning point of the war on the Eastern Front.

In 1943, the Soviets formed Polish and Czechoslovak armies-in-exile, and these started to receive the T-34 Model 1943 with a hexagonal turret. Like the Soviet forces themselves, the Polish and Czechoslovak tank crews were sent into action quickly with little training, and suffered high casualties.[citation needed]

Soviet T-34 tanks await orders to move forward during the Zhitomir–Berdichev Offensive in January 1944

In July 1943, the Germans launched Operation Citadel, in the region around Kursk, their last major offensive on the Eastern Front in the Second World War. It was the debut of the German Panther tank, although the numbers employed at the resulting Battle of Kursk were small and the brunt of the burden was carried by the Panzer III, StuG III, and Panzer IV. The campaign featured the largest tank battles in history. The high-water mark of the battle was the massive armour engagement at Prokhorovka, which began on 12 July, though the vast majority of armour losses on both sides were caused by artillery and mines, rather than tanks.[115] Over 6,000 fully tracked armoured vehicles, 4,000 combat aircraft, and 2 million men are believed to have participated in these battles.

The Soviet high command's decision to focus on one cost-effective design, cutting costs and simplifying production wherever possible while only allowing relatively minor improvements, had proven to be an astute choice for the first two years of the war. However, the battles in the summer of 1943 demonstrated that the 76.2 mm gun of the T-34 was no longer as effective as it was in 1941. Soviet tank crews struggled at longer ranges with the additional frontal armour applied to the later variants of the Panzer III and Panzer IV, and were unable to penetrate the frontal armour of the new German Panther or Tiger I tank at standard combat ranges without tungsten rounds, and had to rely on tactical skill through flanking manoeuvres and combined arms.[115]

T-34-85

[edit]
A T-34 Model 1942 (left), next to the T-43.

After improved German Panzer IVs with the high-velocity 7.5cm (2.95 in) KwK 40 gun were encountered in combat in 1942, a project to design an entirely new Soviet tank was begun, with the goals of increasing armour protection while adding modern features like a torsion-bar suspension and a three-man turret. The new tank, the T-43, was intended to be a universal model to replace both the T-34 and the KV-1 heavy tank. However, the T-43 prototype's armour, though heavier, was not capable against German 88 mm guns, while its mobility was found to be inferior to the T-34. Finally, although the T-43 shared over 70% of its components with the T-34, manufacturing it would still have required a significant slow-down in production.[116] Consequently, the T-43 was cancelled.

The Germans improved not only the weaponry of their tanks, but their armor as well. Soviet firing tests against a captured Tiger I heavy tank in April 1943 showed that the T-34's 76 mm gun could not penetrate the front of the Tiger I at all, and the side only at very close range. A Soviet 85 mm anti-aircraft gun, the M1939 (52-K), was found capable of doing the job, and so derivatives of it were developed for tanks.[117][118] One of the resulting guns used on the original T-34 85 model (the D-5T) was capable of penetrating the Tiger I's upper hull armour at 1,000 metres.[73] It was still not enough to match the Tiger, which could destroy the T-34 from a distance of 1,500 to 2,000 m (4,900 to 6,600 ft),[119] but it was a noticeable improvement.

Rear view of a T-34-85 from Factory 174. In the center is a circular transmission access hatch, flanked by exhaust pipes, MDSh smoke canisters on the hull rear, and extra fuel tanks on the hull sides.

With the T-43 canceled, the Soviet command made the decision to retool the factories to produce an improved version of the T-34. Its turret ring was enlarged from 1,425 mm (56 in) to 1,600 mm (63 in), allowing a larger turret to be fitted supporting the larger 85 mm gun. The prototype T-43's turret design was hurriedly adopted by Vyacheslav Kerichev at the Krasnoye Sormovo Factory to fit the T-34.[120] This was a larger three-man turret, with radio (previously in the hull) and observation cupola in the roof. Now the tank commander needed only to command (aided by cupola and radio systems), leaving the operation of the gun to the gunner and the loader. The turret was bigger and less sloped than the original T-34 turret, making it a bigger target (due to the three-man crew and bigger gun), but with thicker 90 mm armour, making it more resistant to enemy fire. The shells were 50% heavier (9 kg) and were much better in the anti-armour role, and reasonable in a general purpose role, though only 55–60 could be carried, instead of 90–100 of the earlier shells. The resulting new tank, the T-34-85, was seen as a compromise between advocates for the T-43 and others who wanted to continue to build as many 76 mm-armed T-34s as possible without interruption.[121]

Interior of a T-34-85 viewed from the driver's hatch, showing the ammunition boxes on which the loader had to stand in the absence of a turret basket. In the foreground is the driver's seat. Levers for radiator flaps can be seen on the firewall.

Production of the T-34-85 began in January 1944 at Factory No. 112, first using the D-5T 85 mm gun. Parallel to the production of the T-34-85 with the D-5T gun, production of the T-34-85 using the S-53 gun (later to be modified and redesignated as the ZIS-S-53 gun) began in February 1944 at Factory No. 112.[122] The improved T-34-85 became the standard Soviet medium tank, with an uninterrupted production run until the end of the war. A T-34-85 initially cost about 30 percent more to produce than a Model 1943, at 164,000 Rbls; by 1945 this had been reduced to 142,000 Rbls [123] during the course of World War II the cost of a T-34 tank had almost halved, from 270,000 Rbls in 1941,[123] while its top speed remained about the same, and its main gun's armour penetration and turret frontal armour thickness both nearly doubled.[124]

The T-34-85 gave the Red Army a tank with better armour and mobility than the German Panzer IV tank and StuG III assault gun. While it could not match the armour or weapons of the heavier Panther and Tiger tanks, its improved firepower made it much more effective than earlier models, and overall it was more cost-effective than the heaviest German tanks. In comparison with the T-34-85 program, the Germans instead chose an upgrade path based on the introduction of completely new, expensive, heavier, and more complex tanks, greatly slowing the growth of their tank production and helping the Soviets to maintain a substantial numerical superiority in tanks.[125] By May 1944, T-34-85 production had reached 1,200 tanks per month.[126] In the entire war, production figures for all Panther types reached no more than 6,557, and for all Tiger types (including the Tiger I and Tiger II) 2,027.[127] Production figures for the T-34-85 alone reached 22,559.[citation needed]

On 12 January 1945, a column of Tiger IIs and other tanks from 424th Heavy Panzer Battalion were involved in a short-range engagement with T-34-85 tanks near the village of Lisow. Forty T-34-85 tanks commanded by Colonel N. Zhukov were attacked by the 424th Heavy Panzer battalion, which had been reinforced by 13 Panthers. The Germans permanently lost five Tiger IIs, seven Tiger Is and five Panthers for the loss of four T-34-85 tanks burnt out.[128][unreliable source?][129]

German use of T-34s

[edit]
Captured T-34 Model 1943 tanks pressed into service with the Wehrmacht, January 1944

The German army often employed as much captured materiel as possible and T-34s were not an exception. Large numbers of T-34s were captured in fighting on the Eastern Front though few were T-34-85s. These were designated by the Germans as Panzerkampfwagen T-34 747(r). From late 1941, captured T-34s were transported to a German workshop for repairs and modification to German requirements. In 1943 a local tank factory in Kharkiv was used for this purpose.[130] These were sometimes modified to German standards by the installation of a German commander's cupola and radio equipment.[citation needed]

The first captured T-34s entered German service during the summer of 1941. In order to prevent recognition mistakes, large-dimension crosses or even swastikas were painted on the tanks, including on top of the turret, in order to prevent attack by Axis aircraft. Badly damaged tanks were either dug in as pillboxes or were used for testing and training purposes.[citation needed]

After the end of World War II, East Germany continued to utilize the T-34.[131]

Manchurian campaign (August 1945)

[edit]

Just after midnight on 9 August 1945, though the terrain was believed by the Japanese to be impassable by armoured formations, the Soviet Union invaded Japanese-occupied Manchuria.[132] Red Army combined-arms forces achieved complete surprise and used a powerful, deep-penetrating attack in a classic double encirclement pattern, spearheaded by the T-34-85. The opposing Japanese forces had been reduced as elite units had been drawn off to other fronts and the remaining forces were in the middle of a redeployment.[133][134] The Japanese tanks remaining to face them were all held in the rear and not used in combat; the Japanese had weak support from IJAAF forces, engineering, and communications. Japanese forces were overwhelmed, though some put up resistance. The Japanese emperor transmitted a surrender order on 14 August, but the Kwantung Army was not given a formal cease-fire until 17 August.[135]

Korean War (1950–1953)

[edit]
US Marines knocked out this North Korean T-34-85 in September 1950 while US and United Nations forces advanced on Seoul after their successful amphibious landings at Inchon during the Korean War. At least two penetrating hits can be seen on the tank's front.

A full North Korean People's Army (KPA) brigade equipped with about 120 Soviet-supplied T-34-85s spearheaded the invasion of South Korea in June 1950.[136] The WWII-era 2.36-inch bazookas initially used by the US troops in South Korea were useless against the KPA's T-34 tanks,[137] as were the 75 mm main guns of the M24 Chaffee light tank.[138] However, following the introduction of heavier and more capable armour into the war by US and UN forces, such as the American M4 Sherman, M26 Pershing and M46 Patton tanks, as well as the British Comet and Centurion tanks, the KPA began to suffer more T-34 tank losses in combat from enemy armour, aside from further losses due to numerous US/UN airstrikes and increasingly-effective anti-tank firepower for US/UN infantry on the ground, such as the then-new 3.5-inch M20 "Super Bazooka" (replacing the earlier 2.36-inch model). By the time the NKPA were forced to withdraw from the south, about 239 T-34s and 74 SU-76 assault guns had been lost or abandoned.[137] After October 1950, NKPA armour was rarely encountered. Despite China's entry into the conflict in the following month, no major armour deployments were carried out by them, as the Chinese focus was on massed infantry attacks rather than large-scale armour assaults. Several T-34-85s and a few IS-2 tanks were fielded, primarily dispersed amongst their infantry, thus making armoured engagements with US and UN forces rare from then on.[139]

A Chinese T-34 tank No. 215 from 4th Tank Regiment, 2nd Tank Division, allegedly destroyed four enemy tanks and damaged another M46 Patton tank during its fight from 6 to 8 July 1953. It also destroyed 26 bunkers,9 artillery pieces, and a truck.[140] That tank is now preserved in the Military Museum of the Chinese People's Revolution.[140]

In summary, a 1954 US military survey concluded that there were, in all, 119 tanks vs. tank actions involving US Army and US Marine units against North Korean and Chinese forces during the Korean War, with 97 T-34-85 tanks knocked out and another 18 considered probable. American losses were somewhat greater.[141]

Angolan Civil War (1975–1988)

[edit]
Restored FAPLA T-34-85 at the South African National Museum of Military History, Johannesburg.

One of the last modern conflicts which saw the extensive combat deployment of the T-34-85 was the Angolan Civil War.[142] In 1975, the Soviet Union shipped eighty T-34-85s to Angola as part of its support for the ongoing Cuban military intervention there.[142] Cuban crewmen instructed FAPLA personnel in their operation; other FAPLA drivers and gunners accompanied Cuban crews in an apprentice role.[143]

FAPLA began deploying T-34-85s against the UNITA and FNLA forces on 9 June 1975.[144] The appearance of FAPLA and Cuban tanks prompted South Africa to reinforce UNITA with a single squadron of Eland-90 armoured cars.[145]

Other regions and countries

[edit]

Balkans

[edit]
A Bosnian Serb Army T-34-85, with rubber matting added in an attempt to hide its thermal signature, near Doboj in early 1996.


In early 1991, the Yugoslav People's Army possessed 250 T-34-85s, none of which were in active service.[146] During the breakup of Yugoslavia, the T-34-85s were inherited by the national armies of Croatia, Bosnia-Herzegovina, and Serbia and Montenegro and continued to see action during the Yugoslav Wars.[142][147] Some were also acquired from Yugoslav reserve stocks by Serbian separatist armies, namely the Army of the Republic of Serb Krajina (SVK) and the Army of Republika Srpska (VRS).[148][149] Most of these tanks were in poor condition at the beginning of the conflict and some were soon rendered unserviceable, likely through inadequate maintenance and lack of spares.[149]

On 3 May 1995, a VRS T-34-85 attacked an UNPROFOR outpost manned by the 21st Regiment of the Royal Engineers in Maglaj, Bosnia, injuring six British peacekeepers, with at least one of them sustaining a permanent disability.[150][151] A number of T-34s being stored by the VRS at a base in Zvornik were temporarily confiscated by UNPROFOR as part of a local disarmament programme the following year.[149]

Middle East

[edit]
Egyptian Army T-34-100 in the Yad la-Shiryon Museum, Israel. 2005.

Czechoslovak-produced T-34-85s were used by Egypt in the Arab-Israeli Wars of 1956 and 1967 (Six-Day War) in the Sinai Peninsula. Egypt went on to build the T-34-100, a local and unique conversion that was made up of a Soviet BS-3 100 mm heavy field-artillery gun mounted within a heavily modified turret, as well as the T-34-122 mounting the D-30 gun. In 1956, they were used as regular tanks to support Egyptian infantry, the tank was still in use by the Yom Kippur War in October 1973.

Egyptian Army T-34-85 in the Egyptian Military museum.

The Syrian Army also received T-34-85s from the Soviet Union and they took part in the many artillery duels with Israeli tanks in November 1964 and in the Six-Day War of 1967.

Warsaw Pact

[edit]

T-34-85s equipped many of the armies of Eastern European countries (later forming the Warsaw Pact) and the armies of other Soviet client-states elsewhere. East German, Hungarian and Soviet T-34-85s served in the suppression of the East German uprising of 17 June 1953 as well as the Hungarian Revolution of 1956.

Afghanistan

[edit]

T-34-85s were sporadically available in Afghanistan. During the Soviet–Afghan War, most of the T-34s were fielded by the Sarandoy internal security forces. Some were also kept in service with the Army of the Democratic Republic of Afghanistan.[152]

China

[edit]
T-34-85s of the People's Liberation Army on Tiananmen Square at the 1950 Chinese National Day parade.

After the formation of the People's Republic of China (PRC) in 1949, the Soviet Union sent many T-34-85s to the PRC's People's Liberation Army (PLA). Factory 617 had the ability to produce every part of the T-34-85, and during decades of service many modifications were made that visibly distinguish the PRC T-34-85 from the original specification, but no T-34-85 was actually made in China. The production plan of the T-34-85 in China was ended soon after the PRC received T-54A main battle tanks from the Soviet Union and began to build the Type 59 tank, a licensed production version of the T-54A.[153]

Cuba

[edit]
T-34-85 tank in Museo Giron, Cuba

Cuba received 150 T-34-85 tanks as military aid from the Soviet Union in 1960. The T-34-85 was the first Soviet tank to enter service with the Cuban Revolutionary Armed Forces (FAR), along with the IS-2. Many T-34-85 tanks first saw action in April 1961 during the Bay of Pigs Invasion with an unknown number destroyed or knocked out during the battle.[154] In 1975, many T-34-85s were also donated by the USSR to the FAR to support its lengthy intervention in the Angolan Civil War.[142]

A platoon of five Cuban T-34-85s saw combat in Angola against South African troops during the Battle of Cassinga. The tanks were based along with a company of Cuban mechanized infantry equipped with BTR-152 armoured personnel carriers. In May 1978, South Africa launched a major airborne raid on Cassinga with the objective of destroying a SWAPO (South West African People's Organisation) base there. The Cuban forces were mobilised to stop them. As they approached Cassinga they were strafed by South African aircraft, which destroyed most of the BTR-152s and three of the T-34-85s; a fourth T-34-85 was disabled by an anti-tank mine buried in the road. The remaining tank continued to engage the withdrawing South African paratroops from a hull down position until the battle was over.[155]

Over a hundred Cuban T-34-85s and their respective crews remained in Angola as of the mid 1980s. In September 1986, Cuban president Fidel Castro complained to General Konstantin Kurochkin, head of the Soviet military delegation to Angola, that his men could no longer be expected to fight South African armour with T-34s of "World War II vintage"; Castro insisted that the Soviets furbish the Cuban forces with a larger quantity of T-55s.[156] By 1987 Castro's request appeared to have been granted, as Cuban tank battalions were able to deploy substantial numbers of T-54Bs, T-55s, and T-62s; the T-34-85 was no longer in service.[157]

Cyprus

[edit]

Cypriot National Guard forces equipped with some 35 T-34-85 tanks helped to support a coup by the Greek junta against President Archbishop Makarios on 15 July 1974. They also saw extensive action against Turkish forces during the Turkish invasion in July and August 1974, with two major actions at Kioneli and at Kyrenia on 20 July 1974.[158][page needed]

Namibia

[edit]

In 1984, the South West African People's Organisation (SWAPO) made a concerted attempt to establish its own conventional armoured battalion through its armed wing, the People's Liberation Army of Namibia (PLAN).[159] As part of this effort, SWAPO diplomatic representatives in Europe approached the German Democratic Republic with a request for ten T-34 tanks, which were delivered.[160] PLAN T-34s were never deployed during offensive operations against the South African military, being confined to the role of protecting strategic bases inside northern Angola.[159][161]

By 1988 the PLAN T-34-85s had been stationed near Luanda, where their crews received training from Cuban instructors.[162] In March 1989, the PLAN tanks were mobilised and moved south towards the Namibian border.[162] South Africa accused PLAN of planning a major offensive to influence Namibia's pending general elections, but the tank crews did not cross the border and refrained from intervening in a series of renewed clashes later that year.[162] Between 1990 and 1991, SWAPO ordered the PLAN tanks in Angola repatriated to Namibia at its own expense.[163] Four later entered service with the new Namibian Army.[164]

Finland

[edit]

The Soviet and Finnish armies used T-34s until the 1960s; the former included the 76.2 mm-armed versions until at least 1968, when they were used in filming the sequel to the movie The Alive and the Dead. The Finnish tanks were captured directly from the Soviets or purchased from Germany's captured stocks. Many of the Т-34-85s were enhanced with Finnish or Western equipment, such as improved optics.[165][page needed]

Vietnam

[edit]

During the Vietnam War, the North Vietnamese Army was equipped with many Soviet T-34-85 and these were used in the Operation Lam Son 719, the 1972 Easter Offensive and the 1975 Spring Offensive. They were later used during the Vietnamese invasion of Kampuchea and the Sino-Vietnamese War.[166] A small number are currently being used as trainers. The rest are in storage and no longer serve as active duty battle tanks.

Yemen

[edit]

In 2015, both T-34-85 Model 1969 tanks and SU-100 self-propelled guns were photographed being used in Houthi takeover in Yemen.[167] Some were even being fitted with anti-tank guided missiles.

Current active service

[edit]

In 2018, there were nine countries that maintained T-34s in the inventories of their national armed forces: Cuba, Yemen, the Republic of the Congo, Guinea, Guinea-Bissau, Namibia, North Korea, Laos, and Vietnam.[168] Of these operators, Vietnam possessed the largest known surviving fleet of T-34 series tanks, with 45.[169] Yemen possessed 30, Guinea 30, Guinea-Bissau 10, Mali 21, and Laos 30.[170][171][172] It was unclear how many Cuban and North Korean T-34s remained in service.[173] All the Congolese, Namibian and Malian tanks were believed to be in reserve storage or inoperable.[174][175] The Laotian Army retired its T-34s in early 2019 and sold them to Russia, to be used for public displays and museum exhibits.[171]

Successors

[edit]

In 1944, pre-war development of a more advanced T-34 tank was resumed, leading to the T-44. The new tank had a turret design based on the T-34-85's, but featured a new hull with torsion-bar suspension and transversely mounted engine; it had a lower profile than the T-34-85 and was simpler to manufacture. Between 150 and 200 of these tanks were built before the end of the war. With substantial drivetrain changes, a new turret, and 100 mm gun, it became the T-54, starting production in 1947.[176]

Operators

[edit]
T-34 operators
  Current
  Former
T-34-85 of the Armed Forces of Bosnia and Herzegovina, 2014.

Estimated numbers in service, 2023

[edit]

Former

[edit]
Chinese T-34 tanks during the Korean War in 1952
Romanian army T-34-85 next to a TACAM R-2 (National Military Museum, Bucharest)

Symbolism

[edit]
One of the best-known memorials of the Battle of the Dukla Pass of 1944, near Ladomirová and Svidník, on the Slovak side of the Dukla Pass. A Soviet T-34-85 (left) together with a German Panzer IV Ausf J (right).
A T-34-85 during the 2018 Moscow Victory Day Parade.

In Russia, in both 2023 and 2024, a single T-34-85 appeared as the sole tank in the Victory Day Parade held in Red Square in Moscow, leading to ridicule from Western media.[199][200]

A T-34-85 tank monument in the East German city of Chemnitz (then known as Karl-Marx-Stadt) became the target of a 1980 bomb-attack that inflicted minor damage on the vehicle and blew out nearby windows. The bomber, Josef Kneifel, was sentenced to life imprisonment in Bautzen, but was released after a deal with the West German government in 1987. After German unification in 1990, the tank was transferred to a museum in Ingolstadt.[201][page needed][202][page needed]

Another such tank, mounted atop the monument to Soviet tank crews in Prague, was the focus of significant controversy. The monument (known locally as 'Saint Tank') was intended to represent Lt I.G. Goncharenko's T-34-85 (the first Soviet tank to enter Prague during the liberation of Czechoslovakia in May 1945), but actually bore an IS-2M heavy tank. To many in Prague, the tank was also a reminder of the Soviet invasion which ended the Prague Spring of 1968. The tank was painted pink by artist David Černý in 1991. Following an official protest from the Russian government, the arrest of Černý, a coat of official green paint, public demonstrations, and a further coat of pink paint applied by fifteen parliamentary deputies, the tank was finally removed to a military museum.[203][204]

Czterej pancerni i pies ("Four Tank-men and a Dog"), a very successful war-themed Polish television series of the 1960s, adapted the novel of the same name by the Polish writer Janusz Przymanowski (1922–1998), himself a People's Army of Poland volunteer. The series made T-34 tank number 102 an icon of Polish popular culture. It was also shown in other Soviet-bloc countries where it was also well received, surprisingly even in the German Democratic Republic (East Germany). At the beginning of the 21st century reruns of the black and white series still manage to attract a large audience.[205][failed verification]

In Budapest on 23 October 2006, the 2006 protests in Hungary climaxed during the 50th anniversary of the Hungarian Revolution of 1956. Protesters managed to start an unarmed T-34 tank which was part of a memorial exhibit, and used it in riots against police forces. The tank drove a few hundred metres, then stopped in front of the police, causing no personal injury.[206][207]

Variants

[edit]

There were two main production families of the T-34, each with subvariants. The identification of T-34 variants can be complicated. Turret castings, superficial details, and equipment differed between factories; new features were added in the middle of production runs, or retrofitted to older tanks; damaged tanks were rebuilt, sometimes with the addition of newer-model equipment and even new turrets.[28]

The Red Army never had a consistent policy for naming the T-34.[208] Since at least the 1980s, however, many academic sources (notably, AFV expert Steven Zaloga) have used Soviet-style nomenclature: T-34 for the models armed with 76.2 mm guns, and T-34-85 for models armed with 85 mm guns, with minor models distinguished by year, as T-34 Model 1940. Some Russian historians use different names: they refer to the first T-34 as the T-34 Model 1939 instead of 1940, all T-34s with the original turret and F-34 gun as Model 1941 instead of Models 1941 and 1942, and the hexagonal-turret T-34 as Model 1942 instead of 1943.[209]

German military intelligence in World War II referred to the two main production families as T-34/76 and T-34/85, with subvariants receiving letter designations such as T-34/76A – this nomenclature has been widely used in the West, especially in popular literature. When the German Wehrmacht used captured T-34s, it designated them Panzerkampfwagen T-34(r), where the "r" stood for russisch ("Russian").[210] The Finns referred to the T-34 as the Sotka after the common goldeneye, because the side silhouette of the tank resembled a swimming waterfowl. The T-34-85 was called pitkäputkinen Sotka ("long-barreled Sotka").[211]

T-34-85 on display at Yad La-Shiryon, Israel

The T-34 (German designation: T-34/76) was the original tank with a 76.2 mm gun in a two-man turret.

  • Model 1940 (T-34/76A): Early, small production run (about 400 built[29]) with the L-11 76.2 mm tank gun.
  • Model 1941 (T-34/76B): Main production with thicker armour and the superior F-34 76.2 mm gun.
  • Model 1942 (T-34/76C): Thicker armour, many minor manufacturing improvements.
  • Model 1943 (T-34/76D, E, and F): Introduced May 1942 (not 1943). More ammunition and fuel, very minor armour increase.[46] New hexagonal turret, nicknamed "Mickey Mouse" by the Germans because of its appearance with the twin, round turret-roof hatches open. Later production had a new commander's cupola.

The T-34-85 (German designation: T-34/85) was a major improvement with an 85 mm gun in a three-man turret. All T-34-85 models are externally very similar.

  • Model 1943: Short production run of January–March 1944 with D-5T 85 mm gun.
  • Model 1944: Produced from March 1944 through to the end of that year, with simpler ZiS-S-53 85 mm gun, radio moved from the hull into a turret with improved layout and new gunner's sight.
  • Model 1945: Produced from 1944 to 1945, with an electrically powered turret traverse motor, an enlarged commander's cupola with a one-piece hatch, and the TDP smoke system with electrically detonated MDSh canisters. Most produced variant of the T-34-85.
  • Model 1946: Production model with the improved V-2-34M engine, new wheels, and other minor details.
  • Model 1960: A refurbishing program introduced a new V-2-3411 engine and other modernizations.
  • Model 1969 (also called T-34-85M): Another refurbishing program introducing night driving equipment, additional fuel, and other modernizations.

Other armoured fighting vehicles

[edit]
A T-34-57 in 1941
  • Flame-thrower tanks: OT-34 and OT-34-85 had an internally mounted flamethrower ATO-41 (ATO-42 later) replacing the hull machine-gun. 1170 OT-34-76 (mostly based on 1942/43 versions) and 331 OT-34-85 were built.[212]
  • PT-1 T-34/76: Protivominniy Tral ("counter-mine trawl") Mine roller tank, mostly built on T-34 Model 1943 or T-34-85 chassis.[213]
  • Samokhodnaya Ustanovka (Self-propelled guns and tank destroyers):
  • T-34-57: 14 T-34s were fitted with the 57-mm ZiS-4 (1941, 10 tanks) or the ZIS-4M (1943/44, 4 tanks) high-velocity 57 mm gun to be used as tank destroyers.[216]

Surviving vehicles

[edit]
An early T-34 at the U.S. Army Armor & Cavalry Collection. This tank was captured by the Germans in Operation Barbarosa. It was sent to the U.S. after the war.

An enormous number of T-34s and T-34-85s were produced; the Soviets used them aggressively in campaigns in Europe and Asia, and they were distributed to the Soviets' allies all over the world. Due to all three factors, there are hundreds of surviving T-34s. Examples of this tank are in the collections of most significant military museums, and hundreds more serve as war memorials. Many are in private ownership, and demilitarised working tanks change hands for U.S. $20,000–40,000. Some still may serve in a second-line capacity in a number of Third World militaries, while others may find use in a civilian capacity, primarily in film-making. In many World War II films, such as Saving Private Ryan,[217] Battle of Neretva, and Kelly's Heroes,[218] T-34-85 tanks were modified to resemble Tiger I tanks, due to the rarity of the latter.[217] In Sydney Pollack's 1969 movie Castle Keep, barely modified T-34-85 tanks were used as German tanks.

In 2000, a T-34 Model 1943 was recovered that had spent 56 years at the bottom of a bog in Estonia.[219] The tank had been captured and used by retreating German troops, who dumped it in the swamp when it ran out of fuel. The anaerobic environment of the bog preserved the tank and ensured there were no signs of oil leakage, rust, or other significant water damage. The engine was restored to full working order.[220][221]

Other significant surviving T-34s include a Model 1941 at the Aberdeen Proving Ground (intersection of Deer Creek Loop and Target Loop) in Maryland, one of the oldest surviving vehicles. The French Musée des Blindés at Saumur holds two T-34s, including one in full working condition that is displayed in action at its summer "Carrousel" live tank exhibition.[222] The Mandela Way T-34 Tank, a privately owned T-34-85 named after the street in which it is sited (in Bermondsey, London), is frequently repainted by artists and graffitists.[223] In the United States, an operational T-34-85 is located at DriveTanks, on the Ox Ranch Property in Texas. Visitors to DriveTanks can pay to drive the T-34, as well as fire the main gun. This T-34 is reported to have served on the Eastern Front during the Russian march to take Berlin.[224]

See also

[edit]

Tanks of comparable role, performance, and era

[edit]

Notes

[edit]
  1. ^ 450 km (280 mi) and 260 km (160 mi) for the T-34 Model 43 with additional fuel tanks
  2. ^ see designations of Soviet artillery for explanation of naming convention
  3. ^ Due to a shortage of new Model V-2-34 diesel engines and a need to produce as many T-34s as possible, the initial production run from the Gorky factory were equipped with the BT tank's Mikulin M-17 petrol aircraft engine, and inferior transmission and clutch. [31]
  4. ^ The name of the T-34's engine (V-2; B-2 in Russian) is a model name, and has nothing to do with its number of cylinders.
Citations
  1. ^ Yermolov A Tankovaya promysshlenost St Petersberg (2012) p. 188
  2. ^ Zaloga 2015, p. 38
  3. ^ a b c d Zaloga & Kinnear 1996, p. 18
  4. ^ Specifications for T-34 model 41 Archived 26 September 2015 at the Wayback Machine WWIIVehicles.com. Retrieved on 18 May 2013.
  5. ^ a b Zaloga 1994, p. 5
  6. ^ Zaloga & Grandsen 1984, p. 184
  7. ^ Zaloga & Grandsen 1984, p. 184
  8. ^ McFadden, David Frederick (2002). Two ways to build a better mousetrap. Ohio: Ohio State University. p. 11.
  9. ^ Askey, Nigel. "The T-34 in WWII: the Legend vs. the Performance". www.operationbarbarossa.net. Nigel Askey. Archived from the original on 22 December 2015. Retrieved 16 December 2015.
  10. ^ a b Harrison 2002
  11. ^ Krivosheev, G. I. (1997). Soviet Casualties and Combat Losses. Greenhill. p. 253. ISBN 978-1-85367-280-4.
  12. ^ IISS 2023, pp. 456, 458, 299.
  13. ^ Sale, Richard (23 January 2013), "America and Britain and a note on the Soviet Command Economy", The Athenaeum, p. 5, archived from the original on 25 May 2020, retrieved 24 January 2013
  14. ^ Zheltov, Pavlov & Pavlov 1999
  15. ^ Zaloga & Grandsen 1984, pp. 66, 111
  16. ^ Yaziv, D.; Chocron, S.; Anderson, Jr., C.E.; Grosch, D.J. "Oblique Penetration in Ceramic Targets". Proceedings of the 19th International Symposium on Ballistics IBS 2001, Interlaken, Switzerland: 1257–64
  17. ^ Zaloga 2007
  18. ^ Coox 1990, p. 311
  19. ^ Coox 1990, p. 309
  20. ^ Coox 1990, pp. 437, 993
  21. ^ Zaloga & Grandsen 1984, p. 111
  22. ^ a b Zaloga 1994, p. 6
  23. ^ Coox 1990, p. 998
  24. ^ Zaloga & Grandsen 1983, p. 6
  25. ^ Zaloga 1994:4
  26. ^ a b Zaloga & Grandsen 1984, p. 130
  27. ^ a b Zaloga & Grandsen 1983, p. 6
  28. ^ a b c d e f Zaloga & Grandsen 1983, p. 14
  29. ^ a b c d The Russian Battlefield 2000
  30. ^ Zaloga & Grandsen 1983, p. 14, Zaloga & Grandsen 1984, pp. 113, 184, Harrison (2002:181), KMDB (2006).
  31. ^ Zheltov, Pavlov & Pavlov 2001, p. 40–42.
  32. ^ Dunn, Walter S. Jr. (2007). Stalin's Keys to Victory: The Rebirth of the Red Army. Mechanicsburg, PA: Stackpole Books. p. 34. ISBN 978-0-8117-3423-3. Archived from the original on 31 March 2023. Retrieved 20 April 2021.
  33. ^ Zaloga & Grandsen 1983, p. 17
  34. ^ Zaloga & Grandsen 1983, p. 13
  35. ^ Zaloga 1994, p. 23
  36. ^ "Paton Evgeny Oscarovich", at the E.O. Paton Electric Welding Institute. Retrieved 17 November 2008.
  37. ^ a b Zaloga & Grandsen 1984, p. 131
  38. ^ a b Zaloga & Grandsen 1983, p. 18
  39. ^ Zaloga 1984:225
  40. ^ a b The Russian Battlefield 2003
  41. ^ Michulec & Zientarzewski 2006, p. 220
  42. ^ Zaloga 1984:125–6, 225
  43. ^ Zheltov, Pavlov & Pavlov 2001
  44. ^ Drachkovitch, Milorad M. (ed.) East Central Europe: Yesterday, Today, Tomorrow. Hoover Press 1982:150.
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References

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Further reading

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