EMD Model 40

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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.

v • d • e Limited production and export locomotives built by GM-EMD Electrics SW1200MG, AEM-7, GM6, GM10, GF6C Industrial, military, export and narrow gauge Model 40, DDM45, DHI, GMDH-1, GMDH-3, MRS-1, G8, GA8, GL8, G12, G16, G26, NF110, NF210, JT42CWR (Series 66), JT42HW-HS, GT46MAC, GT22HW, GT46PAC Streamliners M-10000, M-10001, M-10002, M-10003-6, Pioneer Zephyr, General Pershing Zephyr, Green Diamond, Flying Yankee, Aerotrain Experimentals 1800 hp B-B See also: List of GM-EMD locomotives