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.

CN Mechanical Department drawing of a Class MR-18d RS-18. The RS-18 was a highly successful general-purpose road-switcher, unique to Canadian railways. It was the successor to the RS-10 which had proved to be somewhat unreliable with its 1,600 h.p. 244 diesel engine.

2024年8月12日 · The RS18, produced by the Montreal Locomotive Works (MLW), was a very successful design that left a significant mark on Canadian railroading. Based from Alco's RS11 …

MLW also introduced the 251B engine in late 1956 and put the 12 cylinder 1800 hp version in the RS-10 carbody to produce the uniquely Canadian RS-11M (later renamed RS-18). CN purchased 131 units between 1956 and 1958 and numbered them 3615-3745 (MR-18b, c, d).

About 1963 Canadian National began to retrofit the RS10/RS10S and RS18 units-with a new layout of the filters — there were three square carbody filters in a horizontal line near the intercooler and a three unit filter near the cab.

2014年6月10日 · CN RS18 3717 eastbound freight passing gang in front of New Pembroke, ONT. station on September 6, 1965 (35734471211).jpg 2,000 × 1,351; 1.11 MB

Just arrived today - CN 3120 unboxed and break-in run-ready on my HOser scale Kingston's Hanley Spur home layout. Thanks to Jason and the boys for producing this ubiquitous CN...

CN RS18 #3701 - Canadian National : Description: Good looking RS-18 unit built by the Montreal Locomotive Works in 1958. A note on the back states "Rebuilt after wreck at A-ma-baie, Nov. 7,1974." Note the Montreal roundhouse in the background. Specs - class MR-18d, 251-B prime mover, 1800 hp, max speed of 75 mph. Jacques Belanger photo : Photo ...

Nice example of a 1967 Montreal Locomotive Works built RS-18 unit for the Canadian National as #3860. It was rebuilt in August of 1969 after being wrecked.