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Soviet Railways series ГР
Soviet Union | 1947 | 420 produced
ГР No. 286 in the Stare Selo open-air museum in Ukraine
ГР No. 286 in the Stare Selo open-air museum in Ukraine
VargA

After the Second World War, the Soviet Union needed a large number of narrow-gauge steam locomotives for use on forest and industrial railways with a gauge of 750 mm. As reparations, a total of 420 locomotives of the ГР (GR) series were built in the GDR, which stood for “Germanskaja reparazja”. The prototype stayed in the GDR and two more went to the Mansfeld mine railway, all others were delivered to the Soviet Union. The locomotives had wood firing in order to get cheaper fuel when operating in the forest. The second and third axles were laterally movable for better running characteristics in curves. They were retired between the mid 1970's and early 1980's.

General
Built1947-1956
ManufacturerLKM Babelsberg
Axle config0-8-0 (Eight-coupled) 
Gauge2 ft 5 1/2 in
Dimensions and Weights
Length39 ft 5 in
Wheelbase9 ft 2 1/4 in
Fixed wheelbase9 ft 2 1/4 in
Empty weight51,588 lbs
Service weight56,438 lbs
Adhesive weight56,438 lbs
Total weight87,303 lbs
Axle load14,110 lbs
Water capacity1,453 us gal
Fuel capacity6,614 lbs (wood)
Power
Power sourcesteam
Indicated power295 hp (220 kW)
Optimal speed11 mph
Top speed47 mph
Starting effort17,000 lbf
Power Plant
Driver diameter31.5 in
Boiler pressure188 psi
Expansion typesimple
Cylinderstwo, 14 9/16 x 15 3/4 in
Boiler
Grate area17.2 sq ft
Firebox area65 sq ft
Tube heating area396.7 sq ft
Evaporative heating area461.7 sq ft
Superheater area204.5 sq ft
Total heating area666.2 sq ft
Calculated Values
steam locomotive
passenger
freight
narrow gauge
last changed: 03/2023
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