MLW RS-10

The Montreal Locomotive Works RS-10 was a 1,600 horsepower (1,200 kW) road switcher built for the Canadian market. It was essentially an ALCO RS-3 in a redesigned carbody. It retained the RS-3's 12-cylinder Alco 244 engine. MLW built 129 of these locomotives before the model was replaced by the MLW RS-18.

MLW RS-10
Type and origin
Power typeDiesel-electric
BuilderMontreal Locomotive Works (MLW)
ModelRS-10
Build dateDecember 1954 – February 1957
Total produced129
Specifications
Configuration:
​
 • AARB-B
 • UICBo′Bo′
Gauge4 ft 8 1⁄2 in (1,435 mm)
Length53 ft 1 in (16.18 m)
Loco weight243,000 lb (110,000 kg)
Fuel capacity1,200 US gal (4,500 l; 1,000 imp gal)
Prime moverALCO 244
Engine typeFour-stroke diesel
AspirationTurbocharger
Displacement8,016 cu in (131.36 L)
CylindersV12
Cylinder size9 in × 10.5 in (229 mm × 267 mm)
TransmissionDC generator,
DC traction motors
Loco brakeStraight air; Optional: Dynamic
Train brakesAir
Performance figures
Maximum speed65 mph (105 km/h)
Power output1,600 hp (1,190 kW)
Tractive effort60,875 lbf (270.79 kN)
Career
LocaleCanada

Original owners
RailwayQuantityRoad numberNotes
Canadian National Railway
51
1863–1885, 3066–3093
Canadian Pacific Railway
66
8462–8482, 8557–8600, 88248824 was built using parts from wrecked FA-1 4016, and re-used that unit's frame number
Ontario Northland Railway
4
1400–1403
Pacific Great Eastern Railway
8
579–586to British Columbia Railway
Total129

See also
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