Bangladesh Railway Class 6400

Bangladesh Railway Class 6400 is a class of broad-gauge diesel-electric locomotives owned by Bangladesh Railway. Total 13 locomotives have been manufactured by Diesel Locomotive Works (DLW), India, 10 in 2001 as WDM-2B and 3 in 2004 as WDM-2CA. They are classified as BED-26 (where B = Broad gauge, E = Diesel-electric, D = DLW and 26 = 26 * 100 hp) and numbered as 6401 - 6413.[1] Currently all are active in service.

Bangladesh Railway Class 6400
Locomotive 6413 with Maitree Express
Type and origin
Power typeDiesel-electric
BuilderDiesel Locomotive Works, India
Serial number6401 - 6413
ModelWDM-2B, WDM-2CA
Build date6401 - 6410 (WDM-2B): 2001; 6411 - 6413 (WDM-2CA): 2004
Total produced13
Specifications
Configuration:
​
 • UICCo-Co
Gauge1,676 mm
BogiesAlco design asymmetric cast frame trimount (Co-Co) bogies
Wheelbase42” 1 ¼ “
Length:
​
 • Over beams12,862 mm
Width9” 4 ¾”
Height13” 8 ¾”
Axle load18,800 kg
Loco weight112.8 Metric Ton
Fuel typeDiesel
Fuel capacity5,000 Liter
Prime moverALCo 16-251C
RPM range400-1050 RPM
Engine typeFour-stroke diesel engine
Traction motorsBHEL 4906
Cylinders16
Gear ratio65:18
Loco brakeAir
CouplersAAR
Performance figures
Maximum speed120 km/h
Power output2,600 hp
Factor of adh.27%
Career
OperatorsBangladesh Railway
ClassBED-26
DispositionActive

Details

Class 6400 are 2,600 hp diesel-electric broad-gauge locomotives. Their model are WDM-2B and WDM-2CA.[2] They have a wheel configuration of Co-Co with gear ratio 65:18. All are fitted with air brake and AAR coupling.[3] Unlike their Indian counterparts, these locomotives do not have the dynamic braking system.

Usage

Class 6400 locomotives when introduced, were used prominently on high-end passenger trains like Padma Express, Silk City Express and Maitree Express. Now they are mostly used on freight trains as Class 6500 locomotives are used to haul most high-end passenger trains.

  • 6401
  • 6404
  • 640*
  • 6413
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See also

References
  1. "BR BED-26 — Trainspo". trainspo.com. Retrieved 2020-04-20.
  2. "DSC03841". www.irfca.org. Retrieved 2020-04-20.
  3. "[IRFCA] Indian Railways FAQ: Locomotives -- Specific classes : AC Electric". www.irfca.org. Retrieved 2020-04-20.
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