Bangladesh Railway Class 2300

Bangladesh Railway Class 2300 is a class of meter-gauge diesel-electric locomotives of Bangladesh operated by Bangladesh Railway. Total 24 locomotives of this class entered the fleet of Bangladesh Railway in 1969-70.[1][2][3] These 24 locomotives are used in both passenger and freight trains. 21 of them are currently in service.[4]

Bangladesh Railway Class 2300
Locomotive 2317 with a passenger train
Type and origin
Power typeDiesel-electric
DesignerAmerican Locomotive Company (ALCO)
BuilderMontreal Locomotive Works (MLW)
ModelDL535/RSD-30
Build date1969-70
Total produced24
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)
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
ClassMEM-14
Numbers2301 - 2324
Current ownerBangladesh Railway
Disposition21 active

Builder details

Class 2300 locos are manufactured by Montreal Locomotive Works (MLW), Canada.[5] These 24 locos came to Bangladesh in a single phase.

Technical details

They are 1,400 hp locos. Their model is DL535A/RSD-30. Their wheel arrangement is Co-Co. The prime mover is 6-cylinder ALCO 251B-6.[6] They have much similar specifications to Class 2400 and Class 2800 locos.

Classification and numbering

The class name or specification for class 2300 locos is "MEM-14". Here, M = Meter-gauge, E = Diesel-electric, M = MLW and 14 = 14 * 100 = 1400 hp. They are numbered from 2301 to 2324.[7]

Usage

Class 2300 locos are used in both passenger and freight trains, mainly 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 2300 locos are maintained at Central Locomotive Workshop of Dinajpur and Diesel Shop of Dhaka.

  • 2314
  • 2315
  • 2317

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. "Status of Railway Tracks and Rolling Stocks in Bangladesh" (PDF).
  5. "DL535A — Trainspo". trainspo.com. Retrieved 2020-04-24.
  6. "[IRFCA] Indian Railways FAQ: Locomotives -- Specific classes : Meter Gauge & Narrow Gauge Diesel". www.irfca.org. Retrieved 2020-04-29.
  7. "Locomotive database - 1435mm.net". www.1435mm.net. Retrieved 2020-04-24.

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