EMD Model 40

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EMD Model 40
EMD Model 40.jpg
An EMD Model 40 at the Travel Town Museum in Los Angeles, California.
Type and origin
Power type Diesel-electric
Builder General Motors Electro-Motive Division (EMD)
Model Model 40
Build date April 1940 – April 1943
Total produced 11
 • AAR B
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Loco weight 84,000 lb (38,000 kg)
Fuel type Diesel fuel
Prime mover (2) Detroit Diesel 6-71
Engine type Inline 2-stroke diesel
Generator DC generator
Traction motors DC traction motors
Cylinders 6 (2)
Transmission diesel electric
Loco brake Westinghouse 14-ET Air brake
Performance figures
Power output 300 hp (224 kW)
Locale North America

The EMD Model 40 was a two-axle diesel-electric locomotive built by Electro-Motive Corporation, and its corporate successor, General Motors' Electro-Motive Division (EMD) between August 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 (224 kW). Original buyers included the Electro-Motive Corporation/EMD Plant #2 switcher, Defense Plant Corporation-4 units, the United States Army 3 units, and the United States Navy 2 units, General Motors Cleveland Diesel Division 1 unit.

Known locomotives[edit]


  • Extra 2200 South Issue #53 pages 22–23.