EMD Model 40
The EMD Model 40 was a two-axle diesel-electric switcher locomotive built by Electro-Motive Corporation, and its corporate successor, General Motors' Electro-Motive Division 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, its drivetrain is unusual because the two diesel engines are used to drive the electric DC generator from both sides, one with clockwise rotation and the other with counter-clockwise rotation.
Original buyers for the Model 40 included the Electro-Motive Corporation/Electro-Motive Diesel Plant, 1 unit, Defense Plant Corporation, 4 units, the United States Army, 3 units, the United States Navy, 2 units, and the General Motors Cleveland Diesel Division, 1 unit.
Roster of locomotives
- s/n 1134: Built as EMC 1134, to McKinnon Industries, to Andrew Merrilees, later sold to Devco Railway #20, retired to Museum of Industry, Stellarton, Nova Scotia.
- s/n 1308: Built for Defence Plant Corp., to Old Ben Coal, purchased by Precision Engineering for parts, scrapped.
- s/n 1309: Built for US Rubber, to Penn Dixie Cement, to North American Coal Company Indianhead Mine, to SunPrairie Cooperative, retired to Lake Superior Railroad Museum at Duluth, Minnesota.
- s/n 1834: Built as USAX 7403, deemed surplus at the end of 1946 and sold to Buffalo Slag. Later sold to Cushing Stone Company of Amsterdam, New York
- s/n 1835: Built as DPC #2, to American Steel Foundry 51, to Lipsett Steel Foundries, to Calumet Steel, donated 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 Locomotive Services in East Chicago, Indiana
- s/n 2285: Built as USAX 7953, to Gulf South Terminal Warehousing, to American Creosote Works, resold to Coastal Sand & Gravel ; operation abandoned by the 1980s, hulk of engine still on site.
- s/n 2286 Built as USAX 7954, to Sanderson & Porter Construction, moved to West Penn Power - Mitchell Plant, transferred to West Penn Springdale Station, to Hagerstown Roundhouse Museum, leased to Walkersville Southern Railroad, Walkersville, Maryland.
- s/n 2287 Built as USN #4, used during WWII by the Naval Ordinance Plant in York, PA. Remained on site, transferred to the American Machine and Foundry Company and subsequently Harley-Davidson. Now on display at the Agricultural and Industrial Museum in York, Pennsylvania.
- s/n 2288 Built as USN #56-00323, to Douglas Aircraft Industrial Reserve Plant, retired to Travel Town Museum, Los Angeles, California.
- s/n 2289 Built as GM Cleveland, transferred to GM-EMD South Chicago Plant 2, out of use by mid 1970s, scrapped.