The MLW RS-18 was an 1,800 hp (1,340 kW) diesel-electric locomotive built by Montreal Locomotive Works between December 1956 and August 1968. It replaced the RS-10 in MLW's catalogue, and production totalled 351 locomotives, to eight customers.

This article relies largely or entirely on a single source. (December 2014)

MLW RS-18
BC Rail No. 629 at Lillooet, British Columbia in 1987
Type and origin Power type Diesel-electric Builder Montreal Locomotive Works Model RS-18 Build date December 1956 to August 1968 Total produced 351
Specifications Configuration: ​  • AAR B-B  • UIC Bo'Bo' Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Prime mover ALCO 251B RPM range 1000 (max) Engine type Four-stroke V12 diesel Displacement 8,016 cu in (131.36 L) Generator DC generator Traction motors 4 DC traction motors Cylinders 12 Cylinder size 9 in × 10.5 in (229 mm × 267 mm) Transmission Electric Loco brake Air, optional dynamic Train brakes Air
Performance figures Power output 1,800 hp (1,340 kW)
Career Locale Canada

It was the Canadian version of the ALCO RS-11, although MLW did manufacture the RS-11 for Ferrocarriles Nacionales de México.

Canadian National Railway, by far the largest buyer of the RS-18, continued to specify the long hood as the front. By contrast, while all of Canadian Pacific Railway's RS-10s were long-hood-forward, all of their RS-18s were short-hood forward. All of CN and CP's locomotives were delivered with full-height short hoods, as were the first four Pacific Great Eastern Railway, and first Roberval and Saguenay Railway unit. The remaining production was for locomotives with a low short-hood, giving the train crew much better forward vision.

Original owners

Preserved

West Chester Railroad #1803 is an ALCO RS-18 built in 1960 by the Montreal Locomotive Works for the Canadian Pacific Railway and was numbered 8762 . In 1998 it was retired from service by the Canadian Pacific Railroad and was bought by the West Chester Railroad that same year. It was re-numbered as 1803 and repainted into a Brunswick green with a yellow frame stripe. It is currently in service.

See also

• List of MLW diesel locomotives

References

• Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Milwaukee, Wisconsin: Kalmbach Publishing. pp. 208, 248–249. ISBN 978-0-89024-026-7.

External links

• Media related to MLW RS-18 locomotives at Wikimedia Commons

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