Bangladesh Railway Class 2800

Bangladesh Railway Class 2800 is a class of meter-gauge diesel-electric locomotives of Bangladesh Railway.[1] Originally manufactured by Diesel Locomotive Works, India, 10 locomotives were imported by Bangladesh Railway as Class 2800 (MED-14) in 1996.[2][3][4][5] 5 of them are currently in service.

Bangladesh Railway Class 2800
Locomotive 2804 at Kamalapur Railway Station with Jamuna Express
Type and origin
Power typeDiesel-electric
DesignerALCo, DLW
BuilderDiesel Locomotive Works, India
ModelDL535A
Total produced10
Specifications
Configuration:
​
 • UICCo-Co
Gauge1,000 mm
BogiesALCo Asymmetric cast frame trimount
Wheel diameter965 mm (37.99 in)
Length15.60 m (51 ft 2 1⁄8 in)
Width2,730 mm (8 ft 11 1⁄2 in)
Height3,635 mm (11 ft 11 1⁄8 in)
Axle load12,000 kg (26,000 lb)
Fuel typeDiesel
Fuel capacity3,000 L (660 imp gal; 790 US gal)
Prime moverAlco 251D-6
RPM range400-1100 rpm
Engine typeFour-stroke diesel
AspirationTurbo-supercharged
GeneratorDC
Traction motorsDC
Cylinders6
Cylinder size228 mm × 267 mm (8.98 in × 10.51 in) bore x stroke
TransmissionDiesel-electric transmission
Gear ratio92:19/93:18
CouplersNorwegian coupling
Performance figures
Maximum speed96 km/h (60 mph)
Power output1,400 hp
Tractive effort18.935 t (19 long tons; 21 short tons) maximum 16.050 t (16 long tons; 18 short tons) continuous
Factor of adh.0.263
Career
OperatorsBangladesh Railway
ClassMED-14
Numbers2801 - 2810
Disposition5 active

Details

Diesel Locomotive Works, India reconditioned and modified 10 of their YDM-4 locomotives from hood unit to dual cab unit similar to Class 2700 locomotives, and marked as YDM-4BR, and exported to Bangladesh Railway in 1996.[6] They have much similar specifications to YDM-4 locomotives of Indian Railways and Class 2300 and Class 2400 locomotives of Bangladesh Railway.

Usage

Class 2800 initially hauled many inter-city trains like Jamuna Express, but shortly were taken out from that service. They now only serve local and short-distant commuter trains. They are not used on freight operations.

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See also

References
  1. "Final Report on Rolling Stock Maintenance" (PDF). Asian Development Bank.
  2. "Analysis of Problems" (PDF). Bangladesh Railway.
  3. "Bangladeshi Locomotives (Metregauge and Broad gauge)" (PDF).
  4. "[IRFCA] Indian Railways FAQ: Locomotives - General Information". www.irfca.org. Retrieved 2020-04-20.
  5. "YDM4-1350 MG / Cape Gauge Mixed Service Locomotives" (PDF).
  6. "[IRFCA] Indian Railways FAQ: Locomotives -- Specific classes : Meter Gauge & Narrow Gauge Diesel". www.irfca.org. Retrieved 2020-04-20.
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