Bangladesh Railway Class 2400

Bangladesh Railway Class 2400 is a class of meter-gauge diesel-electric locomotives of Bangladesh operated by Bangladesh Railway. Total 12 locomotives of this class entered the fleet of Bangladesh Railway in 1978.[1][2][3] These 12 locomotives are used in passenger trains. 11 of them are currently in service.

Bangladesh Railway Class 2400
Locomotive 2401 with a passenger train
Type and origin
Power typeDiesel-electric
DesignerAmerican Locomotive Company (ALCO)
BuilderMontreal Locomotive Works (MLW)
ModelDL535/RSD-30
Build date1978
Total produced12
Specifications
Configuration:
​
 • UICCo-Co
Gauge1,000 mm (3 ft 3 3⁄8 in)
BogiesALCO Asymmetric cast frame trimount
Wheel diameter37.99 in (0.965 m)
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 and Air
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
ClassMEM-14
Numbers2401 - 2412
Current ownerBangladesh Railway
Disposition11 active

Builder details

Class 2400 locos are manufactured by Montreal Locomotive Works (MLW), Canada. These 12 locos came to Bangladesh in a single phase.

Technical details

They are 1,400 hp locos.[4] Their model is DL535A/RSD-30. Their wheel arrangement is Co-Co. The prime mover is 6-cylinder ALCO 251B-6. They have much similar specifications to Class 2300, Class 2500 and Class 2800 locos.

Classification and numbering

The class name or specification for class 2400 locos is "MEM-14". Here, M = Meter-gauge, E = Diesel-electric, M = MLW and 14 = 14 * 100 = 1400 hp. They are numbered from 2401 to 2412.[5]

Usage

Class 2400 locos are used in passenger trains. Among the passenger trains, these locos are usually used in local and mail/express trains. Some inter-city trains like Karatoya Express are hauled by these locos.

Color
  1. Red with white stripes (no longer used)
  2. Blue-yellow
  3. Green-yellow

Maintenance

Class 2400 locos are maintained at Central Locomotive Workshop of Dinajpur and Diesel Shop of Dhaka.

  • 2401
  • 2412

References
  1. "List of locomotives built by Alco and its licencees, ordere" (PDF). sce3c0752b973ab3f.jimcontent.com.
  2. "Analysis of Problems" (PDF). Bangladesh Railway.
  3. "Final Report on Rolling Stock Maintenance" (PDF). Asian Development Bank.
  4. "DL535A — Trainspo". trainspo.com. Retrieved 2020-04-24.
  5. "Locomotive database - 1435mm.net". www.1435mm.net. Retrieved 2020-04-24.

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