Canadian National Railways

MLW S-7 1000 hp 539 engine
(Canadian-only model, one order for 29 units, 8206-8234)

MLW S-12 1000 hp 539 engine.
(Canadian-only model, one order for 11 units, 8235-8245)
The last 539 engined units.

Note: These two models were the only ones ever built by MLW for any railway.

8210 S-7 MLW 81662 9/1957 Hamilton May 12, 1966 Don Roberts

8217 one of just 29 MLW S-7 1000 hp units (539 engine). Windsor, Ontario May 1978

8231 switching VIA (ex CN) Spadina coach yard in Toronto.
September 1978. Randy Kotuby

S-12

8245 part of a very small order for just 11 units. The only ones built. Bathurst Street.

Subsequent owner

S-7 "CN" 8223 repainted the day before this photo was taken. August 1, 2015 Milford, NY
Cooperstown and Charlotte Valley tourist railroad.

SH 8245 acq. 6/1989 last of only 11 S-12 1000 HP 539 engine units built. MLW 82268 8/1958
Hillsborough 1995