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China Railway DF4
Dōngfēng 4
China | 1969 | 7,875 produced
A DF4B in 2019 in Panzhihua, Sichuan
A DF4B in 2019 in Panzhihua, Sichuan
MNXANL / Rare to see a diesel here
VariantDF4A/B - freightDF4C - passengerDF4D - freightDF4E
General
Builtsince 19691985-1999since 19991994-1997
ManufacturerDalian, Datong, Sifang, ZiyangDalianSifang
Axle configC-C C-C+C-C 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length65 ft 7 in67 ft 3 1/16 in67 ft 9 3/8 in135 ft 6 3/4 in
Rigid wheelbase11 ft 9 3/4 in
Service weight304,238 lbs330,693 lbs608,475 lbs
Adhesive weight304,238 lbs330,693 lbs608,475 lbs
Axle load50,706 lbs55,116 lbs50,706 lbs
Boiler
VariantDF4A/B - freightDF4C - passengerDF4D - freightDF4E
Power Plant
Power
Power sourcediesel-electric
Top speed62 mph99 mph62 mph
Starting effort97,792 lbf40,466 lbf97,792 lbf195,584 lbf
Engine16V240ZJ/ZJA/ZJB16V240ZJC16V240ZJD/ZJE/ZJF16V240ZJB
Engine typeV16 diesel2x V16 diesel
Fuel2,378 us gal (diesel)4,227 us gal (diesel)
Engine output3,554 hp (2,650 kW)4,439 hp (3,310 kW)7,107 hp (5,300 kW)
Calculated Values
diesel locomotive
passenger
freight
two-section
last changed: 08 2023
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