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{{Infobox weapon
{{Infobox weapon
| name = ASU-85
| name = ASU-85
| image = [[File:ASU-85 6 Dywizji Powietrznodesantowej.jpg|300px|]]
| image = [[File:ASU-85 6 Dywizji Powietrznodesantowej.jpg|300px|]]
| caption = ASU of the Polish 6th Air Assault Division
| caption = ASU of the Polish 6th Air Assault Division
| origin = [[Soviet Union]]
| origin = [[Soviet Union]]
| type = [[Assault gun]]
| type = [[Assault gun]]
| is_vehicle = yes
| is_vehicle = yes
| service = 1959–2022
| service = 1959–1993
| used_by = Soviet Union
| used_by = Soviet Union
| wars = [[Warsaw Pact invasion of Czechoslovakia]] <br> [[Soviet–Afghan War]] <br> [[Sino-Vietnamese War]]<ref>{{Cite web|last=hợp)|first=Phong Vũ (Tổng|date=2019-09-13|title=Ảnh hiếm về pháo tự hành ASU-85 Việt Nam trong Chiến tranh biên giới phía Bắc - Doanh nghiệp Việt Nam|url=https://doanhnghiepvn.vn/quoc-te/anh-hiem-ve-phao-tu-hanh-asu-85-viet-nam-trong-chien-tranh-bien-gioi-phia-bac/20190913031405559|access-date=2020-09-18|website=Cơ quan ngôn luận của hiệp hội doanh nghiệp nhỏ và vừa Việt Nam|language=vi}}</ref><br> [[Russo-Ukrainian War]]
| wars = [[Warsaw Pact invasion of Czechoslovakia]] <br> [[Soviet–Afghan War]] <br> [[Sino-Vietnamese War]]<ref>{{Cite web|last=hợp)|first=Phong Vũ (Tổng|date=2019-09-13|title=Ảnh hiếm về pháo tự hành ASU-85 Việt Nam trong Chiến tranh biên giới phía Bắc - Doanh nghiệp Việt Nam|url=https://doanhnghiepvn.vn/quoc-te/anh-hiem-ve-phao-tu-hanh-asu-85-viet-nam-trong-chien-tranh-bien-gioi-phia-bac/20190913031405559|access-date=2020-09-18|website=Cơ quan ngôn luận của hiệp hội doanh nghiệp nhỏ và vừa Việt Nam|language=vi}}</ref>
| designer = Astrov Design Bureau
| designer = Astrov Design Bureau
| design_date = 1951{{ndash}}1959
| design_date = 1951{{ndash}}1959
| manufacturer = MMZ <br> PMZ
| manufacturer = MMZ <br> PMZ
| unit_cost =
| unit_cost =
| production_date = 1959–1966
| production_date = 1959–1966
| number =
| number =
| variants =
| variants =
| crew = 4
| crew = 4
| length = {{convert|8.49|m|ftin|abbr=on}}
| length = {{convert|8.49|m|ftin|abbr=on}}
| width = {{convert|2.80|m|ftin|abbr=on}}
| width = {{convert|2.80|m|ftin|abbr=on}}
| height = {{convert|2.10|m|ftin|abbr=on}}
| height = {{convert|2.10|m|ftin|abbr=on}}
| weight = 15.5 tonnes (34,171 lb)
| weight = 15.5 tonnes (34,171 lb)
| armour = 40{{ndash}}45 mm
| armour = 40{{ndash}}45 mm
| primary_armament = 85&nbsp;mm main gun D-70 (2A15)
| primary_armament = 85&nbsp;mm main gun D-70 (2A15)
| secondary_armament = 1× 7.62&nbsp;mm PKT or SGMT [[Coaxial weapon|coaxial]] machine gun
| secondary_armament = 1× 7.62&nbsp;mm PKT or SGMT [[Coaxial weapon|coaxial]] machine gun
| engine = [[Detroit Diesel Series 71|YaMZ-206V]] 6 cylinder inline water-cooled [[diesel engine]]
| engine = [[Detroit Diesel Series 71|YaMZ-206V]] 6 cylinder inline water-cooled [[diesel engine]]
| engine_power = 210&nbsp;hp (154&nbsp;kW)
| engine_power = 210&nbsp;hp (154&nbsp;kW)
| transmission = mechanical
| transmission = mechanical
| fuel_capacity = 400 l
| fuel_capacity = 400 l
| suspension = [[torsion bar]]
| suspension = [[torsion bar]]
| speed = 45 km/h (28 mph)
| speed = 45 km/h (28 mph)
| pw_ratio = 13.5 hp/tonne
| pw_ratio = 13.5 hp/tonne
| vehicle_range = 230 km (161 mi)
| vehicle_range = 230 km (161 mi)
}}
}}


The '''ASU-85''' ({{lang-ru|Авиадесантная самоходная установка, АСУ-85|Aviadesantnaya [[Samokhodnaya Ustanovka]], ASU-85}} – '''airborne self-propelled mount''') is a [[Soviet Union|Soviet]]-designed [[Airborne forces|airborne]] [[Self-propelled artillery|self-propelled gun]] of the [[Cold War]] era. From 1959, it began to replace the open-topped [[ASU-57]] in service.<ref>{{Cite book|title=Tanks and armored fighting vehicles : visual encyclopedia.|date=2012|publisher=Chartwell Books|isbn=9780785829263|location=New York, N.Y.|pages=286|oclc=785874088}}</ref> It was, in turn, replaced by the [[BMD-1]] beginning in 1969.
The '''ASU-85''' ({{lang-ru|Авиадесантная самоходная установка, АСУ-85|Aviadesantnaya [[Samokhodnaya Ustanovka]], ASU-85}} – '''airborne self-propelled mount''') is a [[Soviet Union|Soviet]]-designed [[Airborne forces|airborne]] [[Self-propelled artillery|self-propelled gun]] of the [[Cold War]] era. From 1959, it began to replace the open-topped [[ASU-57]] in service.<ref>{{Cite book|title=Tanks and armored fighting vehicles : visual encyclopedia.|date=2012|publisher=Chartwell Books|isbn=9780785829263|location=New York, N.Y.|pages=286|oclc=785874088}}</ref> It was, in turn, replaced by the [[BMD-1]] beginning in 1969.



==Development history==
==Development history==
Line 57: Line 56:


In early 2016, Vietnam expressed interest in an upgrade package for the ASU-85 that includes more powerful powerpack that increases road speed from {{convert|45|to|60|km/h|mph|abbr=on}} and cruising range from {{convert|400|to|450|km|mi|abbr=on}}.<ref name="armyreco24april16" />
In early 2016, Vietnam expressed interest in an upgrade package for the ASU-85 that includes more powerful powerpack that increases road speed from {{convert|45|to|60|km/h|mph|abbr=on}} and cruising range from {{convert|400|to|450|km|mi|abbr=on}}.<ref name="armyreco24april16" />

On September 17th, 2022 during the [[2022 Russian invasion of Ukraine|2022 Russian Invasion of Ukraine]] an image emerged via Telegram that appears to show an active ASU-85 in the [[Poltava Oblast|Poltava region.]] <ref>{{Cite web |title=НІП «Тиск» |url=https://t.me/TyskNIP/1874 |access-date=2022-09-17 |website=Telegram}}</ref> It is unknown which combatant the vehicle belongs to, despite the vehicle being retired by both nations involved in the conflict.


==Variants==
==Variants==
Line 69: Line 66:
;{{flag|Vietnam}}<ref>{{cite web|last1=Fisher|first1=Richard|title=DSA 2016: Vietnam may update Soviet era ASU-85s|url=http://www.janes.com/article/59688/dsa-2016-vietnam-may-update-soviet-era-asu-85s|website=IHS Jane's 360|publisher=IHS Jane's|access-date=21 April 2016|location=Kuala Lumpur|language=en|date=21 April 2016}}</ref>
;{{flag|Vietnam}}<ref>{{cite web|last1=Fisher|first1=Richard|title=DSA 2016: Vietnam may update Soviet era ASU-85s|url=http://www.janes.com/article/59688/dsa-2016-vietnam-may-update-soviet-era-asu-85s|website=IHS Jane's 360|publisher=IHS Jane's|access-date=21 April 2016|location=Kuala Lumpur|language=en|date=21 April 2016}}</ref>


'''{{UKR}}''' <ref>{{Cite web |title=НІП «Тиск» |url=https://t.me/TyskNIP/1874 |access-date=2022-09-17 |website=Telegram}}</ref>
===Former operators===
===Former operators===
;{{POL}}
;{{POL}}

Revision as of 07:16, 18 September 2022

ASU-85
ASU of the Polish 6th Air Assault Division
TypeAssault gun
Place of originSoviet Union
Service history
In service1959–1993
Used bySoviet Union
WarsWarsaw Pact invasion of Czechoslovakia
Soviet–Afghan War
Sino-Vietnamese War[1]
Production history
DesignerAstrov Design Bureau
Designed1951–1959
ManufacturerMMZ
PMZ
Produced1959–1966
Specifications
Mass15.5 tonnes (34,171 lb)
Length8.49 m (27 ft 10 in)
Width2.80 m (9 ft 2 in)
Height2.10 m (6 ft 11 in)
Crew4
Armor40–45 mm
Main
armament
85 mm main gun D-70 (2A15)
Secondary
armament
1× 7.62 mm PKT or SGMT coaxial machine gun
EngineYaMZ-206V 6 cylinder inline water-cooled diesel engine
210 hp (154 kW)
Power/weight13.5 hp/tonne
Transmissionmechanical
Suspensiontorsion bar
Fuel capacity400 l
Operational
range
230 km (161 mi)
Maximum speed 45 km/h (28 mph)

The ASU-85 (Template:Lang-ru – airborne self-propelled mount) is a Soviet-designed airborne self-propelled gun of the Cold War era. From 1959, it began to replace the open-topped ASU-57 in service.[2] It was, in turn, replaced by the BMD-1 beginning in 1969.

Development history

Development of a new assault gun for the armed forces started at the OKB-40 design bureau of the Mytishchi Machine Building Plant (MMZ), under the supervision of chief designer Nikolaj Aleksandrovich Astrov. The first Ob'yekt 573 prototype was ready for factory tests in the second half of 1953. This first vehicle was followed by a small batch of three improved vehicles that were evaluated by the armed forces in 1956–1957. The improved vehicles were powered by a new, horizontal six cylinder diesel engine, the YaMZ-206V, instead of the original V-6 of the PT-76. In 1958, the order to start series production of the SU-85—as it was initially known (although there was already a vehicle with that same name, based on the T-34)—was given. However, as a result of an order from the Ministry of Defense to add an armoured roof (the initial vehicles were still open-topped), series production could only begin in 1961. By then, the configuration was already out of date and in the second half of the 1960s, the VDV became the main operator of the SU-85 and renamed it the ASU-85.

Design

The ASU-85 is based on the PT-76 tank chassis, but without the amphibious capabilities and fitted with a new engine. The vehicle has three compartments: the driver's in front, the combat compartment in the center, and the engine compartment at the rear.

The armament consists of a D-70 (2A15) 85 mm gun, derived from F.F. Petrov's D-48. The L/67 ordnance has a total weight of 1,865 kg and an elevation range from −4.50° to +15°. Traverse is 15° either side. The D-70 fires the same ammunition as the D-48 (3BK-7 HEAT, BR-372 HVAP-T and OF-372 HE), the combat load is 45 rounds. The gun has an effective range of 1,150 m and a maximum range of 10 km. It can penetrate 192 mm (7.6 in) of steel armor from an angle of 60° at a maximum distance of 1 km.[3] The coaxial machine gun is either the SGMT or the PKT with a combat load of 2,000 rounds.

Both the main gun and the coaxial machine gun are aimed by means of the TShK-2-79 sight. For nighttime fire, the TPN1-79-11 sight is used in combination with the L-2 IR searchlight. Indirect fire is conducted with the help of the S-71-79 and PG-1 sights. Furthermore, the commander is provided with two observation devices; TNPK-20 (day) and TKN-1T (night).

All ASU-85s were provided with an R-113 radio and an R-120 intercom system. In the early 1970s, some vehicles were fitted with a DShK-M 12.7mm heavy machine gun with 600 rounds. These vehicles had a reduced combat load of 39 main gun rounds and received the NATO designator ASU-85 M1974. The original designation was SU-85M or ASU-85M. The ASU-85 could also be equipped with smoke generators BDSh-5.

Service history

The Soviet Airborne Forces used the ASU-85 in airborne operations. Its primary role was light infantry support or assault, with limited anti-tank capability. Each airborne division had one assault gun battalion with 31 ASU-85. The Polish 6th Pomeranian Airborne Division (Template:Lang-pl) had an equal number.

Airborne use of the ASU-85 became possible with the introduction of the Mi-6 and Mi-10 helicopters and high-capacity multi-chute and retro-rocket systems for fixed wing-drops. It was first observed by NATO in 1962, and was widely used by Soviet and Polish airborne units.

During the Soviet–Afghan War, Soviet Airborne troops used ASU-85s in combat.

In early 2016, Vietnam expressed interest in an upgrade package for the ASU-85 that includes more powerful powerpack that increases road speed from 45 to 60 km/h (28 to 37 mph) and cruising range from 400 to 450 km (250 to 280 mi).[3]

Variants

There are no variants of the ASU-85, but its chassis served as the basis for other designs, such as the GM-575 chassis of the ZSU-23-4 "Shilka" and the GM-568 and GM-578 chassis' of the 2P25 launch vehicle and 1S91 radar vehicle of the 2K12 "Kub" system.

Operators

Map of former ASU-85 operators in red

Current operators

 Vietnam[4]

Former operators

 Poland
 Soviet Union

Surviving vehicles

ASU-85 at the Muzeum Polskiej Techniki Wojskowej in Warsaw.
ASU-85 at the Museum of Polish Arms in Kołobrzeg.

References

  1. ^ hợp), Phong Vũ (Tổng (13 September 2019). "Ảnh hiếm về pháo tự hành ASU-85 Việt Nam trong Chiến tranh biên giới phía Bắc - Doanh nghiệp Việt Nam". Cơ quan ngôn luận của hiệp hội doanh nghiệp nhỏ và vừa Việt Nam (in Vietnamese). Retrieved 18 September 2020.
  2. ^ Tanks and armored fighting vehicles : visual encyclopedia. New York, N.Y.: Chartwell Books. 2012. p. 286. ISBN 9780785829263. OCLC 785874088.
  3. ^ a b Vietnamese army back into service the old Soviet-made ASU-85 self-propelled anti-tank gun - Armyrecognition.com, 24 April 2016
  4. ^ Fisher, Richard (21 April 2016). "DSA 2016: Vietnam may update Soviet era ASU-85s". IHS Jane's 360. Kuala Lumpur: IHS Jane's. Retrieved 21 April 2016.
  5. ^ "Militarne Podróże". Archived from the original on 3 March 2016. Retrieved 9 March 2012.
  • Gunston B., 'Army Weapons', in: Bonds R. (ed.), Soviet War Power, (Corgi 1982), p. 203-204
  • Zaloga, Steven J., Hull, Andrew W. and Markov, David R. (1999). Soviet/Russian Armor and Artillery Design Practices: 1945 to Present. Darlington Productions. ISBN 1-892848-01-5
  • Solyankin, A.G, Zheltov, I.G and Kudryashov, K.N. (2010). Otechestvenniye Bronirovanniye Mashiny - XX Vek, Tom 3: 1946-1965, "Tsejkhgauz". ISBN 978-5-9771-0106-6.
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