China Railways BJ

Beijing, mostly referred to as BJ, is a diesel-hydraulic locomotive used in the People's Republic of China. It is named after the capital city of China, Beijing.

Beijing
北京
BJ3248 in Nanpiao, Liaoning
Type and origin
Power typeDiesel-hydraulic
BuilderFebruary 7th Works
 China
ModelStandard
Build date1970 - 1991
Total produced346 (standard)
12 (24) (2-unit)
16 (port)
Specifications
Configuration:
​
 • UICB-B
Gauge4 ft 8+1⁄2 in (1,435 mm)
1,520 mm (4 ft 11+27⁄32 in)
Wheel diameter1,050 mm (41 in)
Minimum curve125 m (410 ft 1 in)
Length15,045 mm (49 ft 4.3 in)
Width3,285 mm (10 ft 9.3 in)
Height4,512 mm (14 ft 9.6 in)
Axle load23 t (51,000 lb)
Loco weight92 t (203,000 lb)
Fuel capacity5,500 L (1,500 US gal)
Water cap.1,200 L (320 US gal)
Prime mover12V240ZJA
RPM range1100 rpm
Engine typeV12 diesel
Cylinders12
Cylinder size240 mm × 260 mm (9.4 in × 10.2 in)
TransmissionHydraulic
Performance figures
Maximum speed120 km/h (75 mph)
Power output1,990 kW (2,670 hp)
Tractive effort:
​
 • Continuous163 kN (37,000 lbf)
Career
OperatorsChinaChina Railway
North Korea Korean State Railway
NumbersChina BJ 1001 - 1012 (port, std g)

China BJ 1101 - 1104 (port, brd g)
China BJ 2001A/B - 2012A/B (2-unit)
China BJ 3001 - 3346 (standard)

North Korea 내연301 - 내연333

BJ were made in two different versions, a standard version and a kou'an (port) version. China Railways DF7D, a diesel electric locomotive based on DF7B, has a similar appearance to the Beijing locomotive.

North Korea

From 2002 the Korean State Railway has received a number of BJ class locomotives second-hand from China. They are used mostly for heavy shunting and on local freight trains around P'yŏngyang.[1] At least 33 have been delivered, numbered in the 내연301 - 내연333 series (내연 = Naeyŏn, "internal combustion"); most are still painted in their original Chinese blue livery, but a few have been repainted into the standard North Korean scheme of light blue over dark green, and at least one, 내연310, is painted in a scheme identical to the Chinese green livery used on Chinese DF4 locomotives.

  • BJ3001 at Beijing Erqi Locomotive Factory
    BJ3001 at Beijing Erqi Locomotive Factory
  • BJ2007 at Shidu station in Fangshan District, Beijing
    BJ2007 at Shidu station in Fangshan District, Beijing

References
  1. Kokubu, Hayato (January 2007). 将軍様の鉄道. Shōgun-sama no Tetsudō. p. 103. ISBN 978-4-10-303731-6.
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