Great Northern P-1: Difference between revisions
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{{short description|Class of 15 American 4-8-2 locomotives}} |
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{{Infobox locomotive |
{{Infobox locomotive |
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| name |
| name = Great Northern P-1 class |
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| image |
| image = File:Railway Age Great Northern Mountain Locomotive 1914.jpg |
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| alt |
| alt = |
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| caption |
| caption = Chart from Railway Age Gazette Volume 57 (23) pp 1047-1050 showing Mountain type locomotive 1755 |
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| powertype |
| powertype = Steam |
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| designer |
| designer = |
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| builder |
| builder = [[Lima Locomotive Works]] |
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| ordernumber |
| ordernumber = |
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| serialnumber |
| serialnumber = 1364-1378 |
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| buildmodel |
| buildmodel = |
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| builddate |
| builddate = May-June 1914 |
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| totalproduction |
| totalproduction = 15 |
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| rebuilder |
| rebuilder = |
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| rebuilddate |
| rebuilddate = June-November 1928 |
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| numberrebuilt |
| numberrebuilt = 15 |
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| website |
| website = |
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| whytetype |
| whytetype = [[4-8-2]] |
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| uicclass |
| uicclass = 2′D2′ h1 |
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| driver |
| driver = <!-- e.g. 1st, 2nd or 3rd coupled axle --> |
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| gauge |
| gauge = {{track gauge|ussg|allk=on}} |
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| leadingdiameter |
| leadingdiameter = {{convert|36.5|in|mm|0|abbr=on}} |
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| driverdiameter |
| driverdiameter = {{convert|63|in|mm|0|abbr=on}} |
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| trailingdiameter = {{convert|42.5|in|mm|0|abbr=on}} |
| trailingdiameter = {{convert|42.5|in|mm|0|abbr=on}} |
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| tenderdiameter |
| tenderdiameter = <!-- tender wheel diameter --> |
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| minimumcurve |
| minimumcurve = |
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| wheelbase |
| wheelbase = {{convert|71.33|ft|mm|0|abbr=on}} |
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| engine total |
| engine total = |
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| leading |
| leading = |
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| drivers |
| drivers = <!-- USA terminology --> |
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| coupled |
| coupled = <!-- British terminology --> |
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| trailing |
| trailing = |
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| tender total |
| tender total = |
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| tendertruck |
| tendertruck = <!-- USA terminology --> |
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| tenderbogie |
| tenderbogie = <!-- British terminology --> |
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| pivotcentres |
| pivotcentres = <!-- Garratts, diesels and electrics --> |
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| wheelspacing |
| wheelspacing = <!-- coupled wheels with asymmetrical wheel spacing --> |
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| length |
| length = |
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| over couplers |
| over couplers = |
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| over bufferbeams = |
| over bufferbeams = |
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| width |
| width = |
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| height |
| height = |
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| frametype |
| frametype = |
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| axleload |
| axleload = {{convert|55000|lb|kg t|abbr=in|sp=us}} |
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| leadingbogie/pony= <!-- load on leading bogie or pony wheel --> |
| leadingbogie/pony = <!-- load on leading bogie or pony wheel --> |
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| coupled all |
| coupled all = <!-- when the load on all coupled wheels are the same --> |
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| coupled 1 |
| coupled 1 = <!-- load on 1st coupled wheel --> |
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| coupled 2 |
| coupled 2 = <!-- load on 2nd coupled wheel --> |
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| coupled 3 |
| coupled 3 = <!-- etc. --> |
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| coupled 4 |
| coupled 4 = |
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| coupled 5 |
| coupled 5 = |
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| coupled 6 |
| coupled 6 = |
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| coupled 7 |
| coupled 7 = |
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| coupled 8 |
| coupled 8 = |
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| trail bogie/pony = <!-- load on trailing bogie or pony wheel --> |
| trail bogie/pony = <!-- load on trailing bogie or pony wheel --> |
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| tenderbogieload |
| tenderbogieload = <!-- load per tender bogie, use "Truck 1:<br/>Bogie 2:" if different --> |
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| tenderaxle |
| tenderaxle = <!-- use "Axle 1:", etc with "<br/>" for line breaks --> |
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| weightondrivers |
| weightondrivers = {{convert|218000|lb|kg t|abbr=in|sp=us}} |
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| locoweight |
| locoweight = {{convert|236000|lb|kg t|abbr=in|sp=us}} |
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| tenderweight |
| tenderweight = {{convert|161000|lb|kg t|abbr=in|sp=us}} |
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| locotenderweight = {{convert|487000|lb|kg t|abbr=in|sp=us}} |
| locotenderweight = {{convert|487000|lb|kg t|abbr=in|sp=us}} |
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| tendertype |
| tendertype = |
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| fueltype |
| fueltype = Nos. 1750-1759: [[Coal]]<br/>Nos. 1760-1764: [[Fuel oil]] |
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| fuelcap |
| fuelcap = {{convert|15|ST|t LT|1|abbr=on}} |
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| watercap |
| watercap = {{convert|8000|usgal|abbr=on}} |
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| tendercap |
| tendercap = |
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| sandcap |
| sandcap = |
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| fireboxtype |
| fireboxtype = <!-- Round-top, Belpaire, combustion chamber, etc. --> |
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| firearea |
| firearea = {{convert|78|sqft|m2|abbr=on}} |
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| boiler |
| boiler = {{convert|95|in|mm|0|abbr=on}} |
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| boilertype |
| boilertype = <!-- Domeless, etc --> |
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| pitch |
| pitch = <!-- height of boiler centreline above the railhead --> |
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| diameterinside |
| diameterinside = |
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| lengthinside |
| lengthinside = <!-- distance between tube plates --> |
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| smalltubediameter= <!-- number of boiler tubes and their outside diameter --> |
| smalltubediameter = <!-- number of boiler tubes and their outside diameter --> |
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| largetubediameter= <!-- number of larger tubes (flues), if any, and their outside diameter --> |
| largetubediameter = <!-- number of larger tubes (flues), if any, and their outside diameter --> |
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| boilerpressure |
| boilerpressure = {{convert|180|lbf/in2|MPa|2|abbr=on}} |
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| safetyvalvetype |
| safetyvalvetype = <!-- Salter spring balance, Ramsbottom, Pop, etc. --> |
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| feedwaterheater |
| feedwaterheater = |
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| totalsurface |
| totalsurface = |
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| tubearea |
| tubearea = |
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| archarea |
| archarea = |
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| fluearea |
| fluearea = |
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| tubesandflues |
| tubesandflues = |
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| fireboxarea |
| fireboxarea = {{convert|340|sqft|m2|abbr=on}} |
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| superheatertype |
| superheatertype = |
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| superheaterarea |
| superheaterarea = |
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| cylindercount |
| cylindercount = Two |
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| cylindersize |
| cylindersize = {{convert|28|x|32|in|mm|0|abbr=on}} |
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| frontcylindersize= |
| frontcylindersize = |
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| rearcylindersize = |
| rearcylindersize = |
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| hpcylindersize |
| hpcylindersize = |
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| lpcylindersize |
| lpcylindersize = |
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| valvegear |
| valvegear = [[Walschaert valve gear|Walschaert]] |
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| valvetype |
| valvetype = |
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| valvetravel |
| valvetravel = |
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| valvelap |
| valvelap = |
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| valvelead |
| valvelead = |
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| transmission |
| transmission = |
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| trainheating |
| trainheating = |
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| locobrakes |
| locobrakes = |
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| locobrakeforce |
| locobrakeforce = |
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| trainbrakes |
| trainbrakes = |
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| safety |
| safety = |
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| coupling |
| coupling = |
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| maxspeed |
| maxspeed = |
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| poweroutput |
| poweroutput = |
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| tractiveeffort |
| tractiveeffort = {{convert|60928|lbf|kN|2|abbr=on}} |
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| factorofadhesion = 3.58 |
| factorofadhesion = 3.58 |
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| operator |
| operator = [[Great Northern Railway (U.S.)|Great Northern]] |
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| operatorclass |
| operatorclass = P-1 |
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| powerclass |
| powerclass = |
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| numinclass |
| numinclass = |
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| fleetnumbers |
| fleetnumbers = 1750–1764 (P-1) 2175-2189 (Q-2) |
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| officialname |
| officialname = |
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| nicknames |
| nicknames = |
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| axleloadclass |
| axleloadclass = |
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| locale |
| locale = |
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| deliverydate |
| deliverydate = |
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| firstrundate |
| firstrundate = |
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| lastrundate |
| lastrundate = |
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| retiredate |
| retiredate = 1928 (1953-1958 as Q-2s) |
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| preservedunits |
| preservedunits = 0 |
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| restoredate |
| restoredate = |
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| scrapdate |
| scrapdate = |
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| currentowner |
| currentowner = |
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| disposition |
| disposition = All rebuilt to Q-2 Class [[2-10-2]]s in 1928 and scrapped by last retirement |
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| notes |
| notes = |
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}} |
}} |
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The '''Great Northern P-1 |
The '''Great Northern P-1''' was a class of 15 [[4-8-2]] "Mountain" type steam locomotives built by the [[Lima Locomotive Works]] in 1914 and operated by the [[Great Northern Railway (U.S.)|Great Northern Railway]]. |
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==History== |
==History== |
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The P-1s were at first assigned to pull passenger trains, but were proven to be too slow and were reassigned to freight service. Between June and November 1928, they were all rebuilt |
The P-1s were at first assigned to pull passenger trains, but were proven to be too slow and were reassigned to freight service. Between June and November 1928, they were all rebuilt by the GN's Superior, Great Falls, and Hillyard Shops to [[List of Great Northern Railway (U.S.) locomotives|Q-2 Class]] [[2-10-2]]s.<ref>{{Cite web|url=https://steamlocomotive.com/locobase.php?country=USA&wheel=4-8-2&railroad=gn|title=Great Northern 4-8-2 "Mountain" Locomotives in the USA|website=steamlocomotive.com}}</ref> |
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==Disposition== |
==Disposition== |
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==References== |
==References== |
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{{reflist}} |
{{reflist}} |
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*{{Cite journal |last1=Keyes |first1=Norman C. Jr. |last2=Middleton |first2=Kenneth R. |title=The Great Northern Railway Company: All-Time Locomotive Roster, 1861–1970 |journal=[[Railroad History]] |volume=143 |date=Autumn 1980 |issue=143 |publisher=Railway and Locomotive Historical Society |location=Boston, Mass. |issn=0090-7847 |jstor=43523930 |pages=108, 110}} |
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{{Great Northern Railway (US) locomotives}} |
{{Great Northern Railway (US) locomotives}} |
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Latest revision as of 17:14, 3 November 2023
| Great Northern P-1 class | |||||||||||||||||||||||||||||||||||||||||||||||||||||
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 Chart from Railway Age Gazette Volume 57 (23) pp 1047-1050 showing Mountain type locomotive 1755 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
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The Great Northern P-1 was a class of 15 4-8-2 "Mountain" type steam locomotives built by the Lima Locomotive Works in 1914 and operated by the Great Northern Railway.
History
[edit]The P-1s were at first assigned to pull passenger trains, but were proven to be too slow and were reassigned to freight service. Between June and November 1928, they were all rebuilt by the GN's Superior, Great Falls, and Hillyard Shops to Q-2 Class 2-10-2s.[1]
Disposition
[edit]Neither the P-1s nor the Q-2s have survived into preservation today. Retirement started on July 16, 1953 and were all retired by April 1958.
References
[edit]- ^ "Great Northern 4-8-2 "Mountain" Locomotives in the USA". steamlocomotive.com.
- Keyes, Norman C. Jr.; Middleton, Kenneth R. (Autumn 1980). "The Great Northern Railway Company: All-Time Locomotive Roster, 1861–1970". Railroad History. 143 (143). Boston, Mass.: Railway and Locomotive Historical Society: 108, 110. ISSN 0090-7847. JSTOR 43523930.