Chinese Rail DF4B

DF4B 东风4B
DF4B locomotives
Type and origin Power type Diesel-electric Build date 1984 - 2012
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 4,500 mm (14 ft 9 in) Loco weight 138 tonnes Prime mover 16V240ZJB Transmission electric (AC-DC)
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

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.

Nickname

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

Gallery

• 
  DF4B 1743
• 
  DF4B 2319
• 
  DF4B 6014
• 
  DF4B 9096 in Shangling
• 
  DF4B 9432 7620 at Jinhua
• 
  DF4B 1757 in Beijing

Manufacturers

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)