EMD Model 40

The EMD Model 40 was a two-axle diesel-electric locomotive built by Electro-Motive Corporation (EMC), 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.

EMD Model 40
An EMD Model 40 at the Travel Town Museum in Los Angeles, California.
Type and origin
Power typeDiesel-electric
BuilderGeneral Motors Electro-Motive Division (EMD)
ModelModel 40
Build dateApril 1940 – April 1943
Total produced11
Specifications
Configuration:
​
 • AARB
Gauge4 ft 8 1⁄2 in (1,435 mm) standard gauge
Loco weight84,000 lb (38,000 kg)
Fuel typeDiesel fuel
Prime mover(2) Detroit Diesel 6-71
Engine typeInline 2-stroke diesel
GeneratorDC generator
Traction motorsDC traction motors
Cylinders6 (2)
Transmissiondiesel electric
Loco brakeWestinghouse 14-ET Air brake
Performance figures
Power output300 hp (224 kW)
Career
LocaleNorth America

Known locomotives
  • s/n 1134 Built as EMC 1134 Demonstrator, Later Devco Railway #20, retired to Museum of Industry, Stellarton, Nova Scotia
  • s/n 1308 Built for US Rubber, to Old Ben Coal, scrapped
  • s/n 1309 Built for US Rubber, to Penn Dixie Cement, retired to Lake Superior Railroad Museum at Duluth, Minnesota
  • s/n 1834 Built as USAX 7403, to DPC #1 Cushing Stone Company of Amsterdam, New York
  • s/n 1835 Built as DPC #2, to American Steel Foundry 51, to Hoosier Valley Railroad Museum in North Judson, Indiana
  • s/n 2284 Built as USAX 7952, to Acme Newport Steel, Newport, KY as NPTX #1. Owned and restored by Professional Loco services in East Chicago, Indiana
  • s/n 2285 Built as USAX 7953, to Walkersville Southern Railroad, Walkersville, Maryland
  • s/n 2286 Built as USAX 7954, scrapped
  • s/n 2287 Built as USN #4, used during WWII by the Naval Ordinance Plant in York, PA to haul bomb casings. Remained on site and served the American Machine and Foundry Company (AMF) and subsequently Harley-Davidson. Now on display at the York County History Center's Agricultural and Industrial Museum in York, Pennsylvania.
  • EMD #2287 on display at the York County History Center's Agricultural and Industrial Museum.
    s/n 2288 Built as USN #56-00323, to McDonnell Douglas, retired to Travel Town Museum, Los Angeles, California
  • s/n 2289 Built as GM Cleveland (unknown number), scrapped

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