Chinese Rail DF4B

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201704 DF4B-7725 at Shanghai Station.jpg
DF4B locomotives
Type and origin
Power typeDiesel-electric
Build date1984 - 2012
 • AARCo-Co
Gauge1,435 mm (4 ft 8 12 in)
Length21,100 mm (69 ft 3 in)
Width3,309 mm (10 ft 10.3 in)
Height4,500 mm (14 ft 9 in)
Loco weight138 tonnes
Prime mover16V240ZJB
Transmissionelectric (AC-DC)
Performance figures
Top speedPassenger:120 km/h (75 mph)
Freight:100 km/h (62 mph)
Power output2,650 kW (3,550 hp)
Tractive effortPassenger: 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
Railroad(s)China Railways
LocalePeople's Republic of China

The DF4B (Chinese: 东风4B) is a kind of diesel locomotive used in China. It was built by Dalian Locomotive & Rolling Stock Works.It has been in production since 1984 and is still produced as of 2012.It is the most common locomotive in China and is used for both passenger and freight services.[1]

Nickname[change | change source]

DF4B is called "Armed Police" or "Watermelon" (freight version), and "Orange" (passenger version).

Gallery[change | change source]

Manufacturers[change | change source]

DF4B have been manufactured by several companies:

  • Dalian Locomotive & Rolling Stock Works(1001~1999;2101~2685;7001~7793)
  • CSR Sifang Locomotive and Rolling Stock Co., Ltd.(7701~7732, former DF4E)
  • CSR Ziyang Locomotive Works(3101~3999;9001~9597)
  • Datong locomotive factory(6001~6587)

References[change | change source]

  1. Decade of sword - CNR Dalian Locomotive Development Records, the website of Dalian Locomotive & Rolling Stock Works.(Chinese)