Chinese Rail DF4

DF4 东风4
DF4 locomotives
Type and origin Power type Diesel-electric Build date 1969 - 1984
Specifications Configuration: ​  • AAR Co-Co Gauge 1,435 mm (4 ft 8 1⁄2 in) Length 21,100 mm (69 ft 3 in) Width 3,309 mm (10 ft 10.3 in) Height 4,755 mm (15 ft 7.2 in) Loco weight 138 tonnes Prime mover 16V240ZJ & 16V240ZJA Transmission electric (AC-DC) Loco brake Straight air and dynamic Train brakes JZ-7 Air
Performance figures Top speed Passenger:120 km/h (75 mph) Freight:100 km/h (62 mph) Power output 2,650 kW (3,550 hp) Tractive effort Passenger: 327.500 kN (73,625 lbf) starting, 243.000 kN (54,629 lbf) continuous Freight: 435.000 kN (97,792 lbf) starting, 324.000 kN (72,838 lbf) continuous
Career Railroad(s) China Railways Locale People's Republic of China

Chinese Rail DF4 is a kind of diesel locomotive used in China. It was built by Dalian Locomotive & Rolling Stock Works. It has been in production since 1969 and is still produced as of 1984.

Models

DF4

The first DF4 was built in 1969 in Dalian. The first 108 locomotives used the 16V240ZJ engine. It took seven years to build all 108 locomotives of this type.

But the first ever is a permanent exhibition at the Beijing Railway Museum, and the second "Mao Zedong" is a permanent exhibition at the Fengtai Yard, Beijing Railway Bureau.

DF4A

The DF4A used an improved engine, the 16V240ZJA. Production started in 1976 and lasted until 1984.

Manufacturers

DF4s have been manufactured by several companies:

• CSR Ziyang Locomotive Works (DF4A:3001~3042)
• Dalian Locomotive & Rolling Stock Works(DF4A:0001~0771,2001~2031)