Sri Lanka Railways class M4
Sri Lanka 1975 14 produced
In 1975, the Montreal Locomotive Works built 14 broad-gauge diesel locomotives for the Sri Lanka Railways. Their internal manufacturer's type was MX-620, but their operator designated them M4. At a weight of 93 tons, they have six axles to keep the axle load low. Power comes from an ALCO 251C3 that delivers 1,750 hp. Their design speed of 104 km/h is limited to 65 km/h in service.
Technical data
General
- Built
- 1975
- Manufacturers
- Montreal Locomotive Works
- Wheel arrangement
- C-C
- Gauge
- 1,676 mm (Indian broad gauge)
Dimensions and weights
- Length
- 17.76 m
- Service mass
- 94.5 t
- Adhesion mass
- 94.5 t
- Rigid wheelbase
- 3.40 m
- Axle load
- 15.8 t
Power plant
- Engine
- ALCO 251C3
- Engine type
- V12 diesel
Power
- Power source
- diesel-electric
- Indicated power
- 1,305 kW (1,774 PS)
- Top speed
- 65 km/h
Calculated values
- Power-to-weight ratio
- 13.8 kW/t
- Adhesive weight/Total
- 1 : 1.00
