Bangladesh Railway Class 2800

Bangladesh Railway Class 2800 is a class of meter-gauge diesel-electric locomotives of Bangladesh operated by Bangladesh Railway.[1][2][3][4] Total 10 locomotives of this class were manufactured by Banaras Locomotive Works (BLW), India.[5][6][7][8][9] They entered the fleet of Bangladesh Railway in 1996. These 10 locomotives are used in passenger trains. 5 of them are currently in service.

Bangladesh Railway Class 2800
Locomotive 2807 at Kamalapur railway station with Jamuna Express
Type and origin
Power typeDiesel-electric
DesignerALCO, BLW
BuilderBanaras Locomotive Works (BLW)
ModelDL535A/RSD-30 (YDM-4BR)
Build date1996
Total produced10
Specifications
Configuration:
​
 • UICCo-Co
Gauge1,000 mm (3 ft 3 3⁄8 in)
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 litres (660 imp gal; 790 US gal)
Prime moverAlco 251B-6
RPM range400-1100 rpm
Engine typeFour-stroke engine
AspirationTurbo-supercharged
GeneratorDC
Traction motorsDC
Cylinders6
Cylinder size228 mm × 267 mm (8.98 in × 10.51 in) bore x stroke
TransmissionDiesel–electric
Gear ratio92:19/93:18
Loco brakeVacuum
CouplersNorwegian
Performance figures
Maximum speed96 km/h (60 mph)
Power output1,400 hp (1,040 kW)
Tractive effort:
​
 • Continuous16.050 t (16 long tons; 18 short tons)
Factor of adh.0.263
Career
OperatorsBangladesh Railway
ClassMED-14
Numbers2801 - 2810
Current ownerBangladesh Railway
Disposition5 active

Technical details

In 1996, 10 YDM-4 class locos of India were converted from hood unit to dual cab and exported to Bangladesh as 2800 series.[10] They are 1,400 hp locos. Their model is DL535A/RSD-30 and Indian Railway class is YDM-4BR. Their wheel arrangement is Co-Co. The prime mover is 6-cylinder ALCO 251B-6. They have much similar specifications to Class 2300 and Class 2400 locos.

Classification and numbering

The class name or specification for class 2800 locos is "MED-14". Here, M = Meter-gauge, E = Diesel-electric, D = DLW and 14 = 14 * 100 = 1400 hp. They are numbered from 2801 to 2810.

Usage

Class 2800 locos are only used in passenger trains. Among the passenger trains, these locos are usually used in local and mail/express trains. Previously these locos were used in inter-city trains like Jamuna Express and Egaroshindhur Provati/Godhuli Express, but currently are not used on any inter-city trains at all.

Color
  1. Blue-yellow
  2. Green-yellow

Maintenance

Class 2800 locos are maintained at Central Locomotive Workshop of Dinajpur and Diesel Shop of Dhaka.

  • 2807

See also

References
  1. "Final Report on Rolling Stock Maintenance" (PDF). Asian Development Bank.
  2. "List of locomotives built by Alco and its licencees, ordere" (PDF). sce3c0752b973ab3f.jimcontent.com.
  3. "DL535A — Trainspo". trainspo.com. Retrieved 2020-09-26.
  4. "Locomotive database - 1435mm.net". www.1435mm.net. Retrieved 2020-09-26.
  5. "Analysis of Problems" (PDF). Bangladesh Railway.
  6. "[IRFCA] Indian Railways FAQ: Locomotives - General Information". www.irfca.org. Retrieved 2020-04-20.
  7. "YDM4-1350 MG / Cape Gauge Mixed Service Locomotives" (PDF).
  8. "DSC03813". IRFCA. 2008-11-05. Retrieved 2020-11-27.
  9. "DLW MG". IRFCA. 2009-05-30. Retrieved 2020-11-27.
  10. "[IRFCA] Indian Railways FAQ: Locomotives -- Specific classes : Meter Gauge & Narrow Gauge Diesel". www.irfca.org. Retrieved 2020-04-20.

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