EMD Model 40

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EMD Model 40
EMD Model 40
An EMD Model 40, the smallest locomotive ever produced by General Motors.
Power type Diesel-electric
Builder General Motors Electro-Motive Division (EMD)
Model Model 40
Build date April 1940 – April 1943
Total production 11
AAR wheel arr. B
Gauge 4 ft 8½ in (1,435 mm)
Locomotive weight 42 tons
Fuel type Diesel
Prime mover (2) Detroit Diesel 6-71
Engine type 2-stroke Diesel
Cylinders 6 (2)
Transmission DC generator, DC traction motors
Power output 300 hp (224 kW)
Train brakes Westinghouse 14-ET
Locale North America

The EMD Model 40 was a two-axle diesel-electric locomotive built by General Motors Electro-Motive Division between April 1940 and April 1943. Nicknamed "critters", eleven examples of this locomotive were built. Powered by twin General Motors Detroit Diesel 6-71 diesel engines, which produce a combined 300 horsepower. Original buyers included the Old Ben Coal Corporation, the Farmer's Union Co-op, the United States Army and the United States Navy.

An HO scale model of the Model 40 is currently produced by Athearn. It is Digital Command Control plug equipped.