Soviet State 0-6-0 Locomotives in Russia


Class Details by Steve Llanso of Sweat House Media

Class 9P (Locobase 5849)

See [] for the history, [] (a Ukrainian website organizing steam tours) for the data. Dzherelo says the information comes from Anthony J. Heywood & Jan D.C. Button, Soviet Locomotive Types: The Union Legacy (1995).

Most of these were built in Murom after World War II, but the switcher began production at Kolomna in 1936 (55) and continuing in 1939-41 (153). Also in 1941, Novocherkassk supplied a small number.

Known as Petushok (cockerel), the 9Ps were successful primarily in industrial-site shunting and some still operated in 1974, with the numbers dwindling throughout the next two decades.


Class unknown (Locobase 7571)

Data from 1946 Beyer, Peacock catalogue hosted on Martyn Bane's website at [] (accessed 21 May 2006).

Batch #1412-1413 (works#6739-6758) (Production data from The Beyer, Peacock production list -- [], last accessed 29 May 2006).

These were large engines for their wheel arrangement, quite a bit bigger than any other six-coupled tanks. In addition the firebox heating surface comprised a relatively large percentage of overall evaporative heating surface and the superheat ratio was among the most generous of any British-built locomotive.

Principal Dimensions by Steve Llanso of Sweat House Media

Class9Punknown
Locobase ID5849 7571
RailroadSoviet StateSoviet State
CountrySoviet UnionSoviet Union
Whyte0-6-0T0-6-0T
Number in Class225020
Road Numbers9P 0001-23538
Gauge5'6"5'
Number Built225020
BuilderseveralBeyer, Peacock
Year19361933
Valve GearWalschaertWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.86 / 2.70 9.84 / 3
Engine Wheelbase (ft / m) 8.86 / 2.70 9.84 / 3
Ratio of driving wheelbase to overall engine wheelbase11
Overall Wheelbase (engine & tender) (ft / m) 9.84 / 3
Axle Loading (Maximum Weight per Axle) (lbs / kg)40,565 / 18,40052,470 / 23,800
Weight on Drivers (lbs / kg)121,695 / 55,200154,323 / 70,000
Engine Weight (lbs / kg)121,695 / 55,200154,323 / 70,000
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)121,695 / 55,200154,323 / 70,000
Tender Water Capacity (gals / ML)1716 / 6.502160 / 8.18
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 2.80 / 3 3.40 / 3
Minimum weight of rail (calculated) (lb/yd / kg/m)68 / 3486 / 43
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)41.30 / 105047.20 / 1200
Boiler Pressure (psi / kPa)188.50 / 13208.90 / 14.40
High Pressure Cylinders (dia x stroke) (in / mm)19.69" x 19.69" / 500x50021.65" x 23.62" / 550x600
Tractive Effort (lbs / kg)29,615 / 13433.1541,650 / 18892.14
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.11 3.71
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2)115.13 / 10.70
Grate Area (sq ft / m2)19.91 / 1.8529.05 / 2.70
Evaporative Heating Surface (sq ft / m2)985 / 91.561276 / 118.60
Superheating Surface (sq ft / m2)419 / 38.90
Combined Heating Surface (sq ft / m2)985 / 91.561695 / 157.50
Evaporative Heating Surface/Cylinder Volume141.95126.79
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation37536069
Same as above plus superheater percentage37537586
Same as above but substitute firebox area for grate area30,063
Power L19181
Power MT393.47

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