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Soviet Railways series ТУ4
Soviet Union | 1961 | 3,210 produced
ТУ4-2727 in March 2006 on the Shatura peat railway
ТУ4-2727 in March 2006 on the Shatura peat railway
Artem Svetlov

The ТУ4 was created for narrow-gauge railways that had a particularly low axle load. These included peat and forest railways, which were normally built in the 750 mm gauge typical of the Soviet Union. Some locomotives were built for the Cape Gauge used on Kamchatka. In the period from 1961 to 1972 more than 3,200 were built in the Kambarka machine factory. Directly after the end of the production of the ТУ4, the production of the ТУ6А was started, which later partially replaced it.

General
Built1961-1972
ManufacturerKambarka
Axle configB-B 
Gauge2 ft 5 1/2 in, 3 ft 6 in (Cape gauge)
Dimensions and Weights
Length27 ft 6 11/16 in
Service weight37,699 lbs
Adhesive weight37,699 lbs
Axle load9,425 lbs
Power
Power sourcediesel-mechanic
Top speed31 mph
EngineU1D6-250TK
Engine type6-cyl. diesel
Engine output247 hp (184 kW)
Power Plant
Boiler
Calculated Values
diesel locomotive
freight
narrow gauge
last changed: 03/2023
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