| The MLW built M-636 diesels were based upon the Alco C-636 diesel electrics. CP
had 44 built in 1969 & 1970 numbered 4700 to 4743. Originally rated at 3600 hp,
CP downgraded them to 3300 hp, 2462 kW. Top speed was 75. The last was retired
M636 #4707 heads a westbound freight past Newcastle, On in February 1974.