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Chinese Rail DF4 facts for kids

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DF4 locomotives
Power type Diesel-electric
Build date 1969 - 1984
AAR wheel arr. Co-Co
Gauge 1,435 mm (4 ft 8 12 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)
Locomotive weight 138 tonnes
Prime mover 16V240ZJ & 16V240ZJA
Transmission electric (AC-DC)
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
Locomotive brakes Straight air and dynamic
Train brakes JZ-7 Air
Career 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.



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.


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


DF4s have been manufactured by several companies:

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