China Railways DF8

Dongfeng 8
东风8
The first generation of DF8 family, batch-produced hull configuration
Type and origin
Power typeDiesel-electric
BuilderCRRC and its predecessors
ModelDF8, DF8B, DF8BJ, DF8CJ, DF8D, DF8DJ (domestic)
Build date1984-present
Total producedDF8: 141
DF8B: 1200+
DF8BJ: 1
DF8CJ: 3
DF8D: 4
DF8DJ: 1
Specifications
Configuration:
 • UICCo′Co′
Gauge1,435 mm (4 ft 8+12 in) (domestic models)
Fuel capacityDF8B plateau type: 8,000 L (2,100 US gal)
DF8D: 9,000 L (2,400 US gal)
DF8B 5672 (rebuilt DF8DJ): 9,000 L (2,400 US gal) diesel oil, 2,400 L (630 US gal) LNG
Prime moverDF8: 16V280ZJ
DF8B: 16V280ZJA
DF8BJ: 16V280ZJG
DF8CJ: 16V280ZJB (R16V280ZJ)
DF8D: 12V280ZJ (280/320, not the same series with 16V280ZJ (280/285))
DF8DJ: CAT 3616 (before rebuilt)
Engine typeV16 diesel engine
DF8D: V12
Rebuilt DF8DJ (DF8B-5672): dual-fuel engine (LNG & diesel oil)
Cylinder sizeDF8, DF8B, DF8BJ: 280 mm × 285 mm (11.024 in × 11.220 in)
bore x stroke
DF8CJ: 280 mm × 300 mm (11.024 in × 11.811 in)
DF8D: 280 mm × 320 mm (11.024 in × 12.598 in)
TransmissionDF8, DF8B, DF8D: Electric (AC-DC)
DF8BJ, DF8CJ, DF8DJ: (AC-DC-AC)
Loco brakeStraight air and dynamic
Train brakesAir
Performance figures
Maximum speedDF8, DF8B, DF8D: 100 km/h (62 mph)
DF8BJ, DF8CJ, DF8DJ: 120 km/h (75 mph)
Power outputDF8: 3,310 kW (4,440 hp)
DF8B: 3,680 kW (4,930 hp)
DF8BJ: 4,000 kW (5,400 hp)
DF8CJ: 4,410 kW (5,910 hp)
DF8D: 3,820 kW (5,120 hp)
DF8DJ: 4,800 kW (6,400 hp) (before rebuilt)
Tractive effortDF8: 441 kN (99,000 lbf) starting
314 kN (71,000 lbf) continuous
DF8B: 441 kN (99,000 lbf) starting
347 kN (78,000 lbf) continuous
DF8CJ: 560 kN (130,000 lbf) starting
440 kN (99,000 lbf) continuous
DF8D: 480.5 kN (108,000 lbf) starting
363.5 kN (81,700 lbf) continuous
Career
OperatorsChina Railways
Vietnam Railways, multiple local operators, exported to several other countries
LocalePeople's Republic of China, Kenya, Iran, etc.

The DF8 (Chinese: 东风8) is a type of diesel-electric locomotive used by China Railway in the People's Republic of China. It was in production from 1984 until mid-1990s, with mass production starting in 1989. The revised DF8B is still in production today. DF8 are almost exclusively used for freight services.