The Sri Lanka Railways Class M2 is a class of diesel-electric locomotive that was developed in the 1954 by General Motors Diesel, Canada, and Electro-Motive Division, USA. This is considered as the one of most successful locomotive in Sri Lanka.It is a General Motors Diesel (Canada) EMD G12 model using the EMD 567C, 1,425-horsepower (1,063 kW) engine.