EMD SD40A

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EMD SD40A
Power type Diesel-electric
BuilderGeneral Motors Electro-Motive Division (EMD)
Build date19691970
Total production18
AAR wheel arr.C-C
Gaugeft 8½ in (1435 mm)
Prime moverEMD 645E3
Cylinders16
Power output3,000 hp (2,200 kW)
CareerIllinois Central, Soo Line
LocaleUnited States
Dispositionall withdrawn by 2005

An EMD SD40A is a six-axle diesel locomotive built by General Motors Electro-Motive Division between 1969 and 1970. 18 examples of this locomotive were built exclusively for the Illinois Central Railroad. The SD40A was basically an SD40 built on an SDP45 frame. This locomotive is powered by a sixteen-cylinder EMD 645E3 diesel engine, which could provide 3,000 horsepower (2,200 kilowatts). Illinois Central Railroad used the SD40A as a long-range road-switcher, utilizing the larger fuel tank found on the SDP45. The Soo Line Railroad eventually acquired five of these units and as of 2005 they are out of service.

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