Bangladesh Railway Class 6500

Bangladesh Railway Class 6500 is a class of broad-gauge (1,676 mm) diesel-electric locomotives owned by Bangladesh Railway. Manufactured by Diesel Locomotive Works, India, 26 locomotives came in Bangladesh from 2012 to 2014.[1] Currently all are active in service.

Bangladesh Railway Class 6500
Locomotive 6510 at Kamalapur Railway Station
Type and origin
Power typeDiesel-electric
BuilderDiesel Locomotive Works
Serial number6501 - 6526
ModelWDM 3A
Build date2012 - 2014
Total produced26
Specifications
Configuration:
​
 • UICCo'Co'
Gauge1,676 mm
BogiesALCO Asymmetric cast frame trimount
Wheel diameter1,092 mm (3 ft 7 in)
Wheelbase12.834 m (42 ft 1 1⁄4 in)
Length17.12 m (56 ft 2 in)
Width2.864 m (9 ft 4 3⁄4 in)
Height4.185 m (13 ft 8 3⁄4 in)
Axle load18,800 kg (41,400 lb)
Loco weight112.8 t (111.0 long tons; 124.3 short tons)
Fuel typeDiesel
Fuel capacity5,000 L (1,100 imp gal; 1,300 US gal)
Prime moverALCo 252-C
RPM range400 - 1050 rpm
Engine typeFour-stroke diesel engine
Cylinders16
Cylinder size228 mm × 266 mm (8.98 in × 10.47 in) bore x stroke
TransmissionDiesel
Gear ratio65:18
Loco brakeAir
CouplersAAR
Performance figures
Maximum speed120 km/h (75 mph)
Power output3,100 hp
Tractive effort30.45 t (30 long tons; 34 short tons)
Factor of adh.0.27
Career
OperatorsBangladesh Railway
ClassBED-30
DispositionActive

Details

In 2012, Bangladesh Railway ordered broad-gauge diesel-electric locomotives from India, modeled as WDM 3A. These locomotives have a power of 3100 hp, the highest for any locomotives in Bangladesh. They are fitted with AAR coupling and have a gear ratio of 65:18.[2] Unlike their Indian counterparts, these locomotives do not have the Dynamic Braking System.

Performance

Class 6500 is used on both freight and passenger trains. Most high-end broad-gauge passenger trains like Padma Express, Banalata Express and Maitree Express are hauled by these locomotives. They are also used on some mail-express and commuter trains.

  • 6501
  • 6503
  • 6508
  • 6509
  • 6514
  • 6518
  • 6519
  • 6521
  • 6522
  • 6523
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See also

References
  1. "DLW bags order for 16 locomotives from Bangladesh Railways | Global Rail News". 2017-08-28. Archived from the original on 2017-08-28. Retrieved 2020-04-19.
  2. "[IRFCA] Indian Railways FAQ: Locomotives -- Specific classes : AC Electric". www.irfca.org. Retrieved 2020-04-19.
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