|Type and origin|
|Builder||General Motors Electro-Motive Division (GM-EMD)
General Motors Diesel (GMD)
|Build date||January 1966 – December 1971|
|AAR wheel arr.||B-B|
|Gauge||4 ft 8 1⁄2 in (1,435 mm)|
|Fuel capacity||2,600 US gal (9,800 l; 2,200 imp gal)|
|Prime mover||EMD 16-645|
|Aspiration||Roots type supercharger|
|Power output||2,000 hp (1.49 MW)|
The EMD GP38 is a 4-axle diesel-electric locomotive built by General Motors Electro-Motive Division between January 1966 and December 1971. The locomotive's power was provided by an EMD 645 16-cylinder engine which generated 2,000 horsepower (1.49 MW).
The company built 706 GP38s for North American railroads.
In 1972, it was replaced by an updated model, the GP38-2.
A number of GP38s have been rebuilt into the equivalent of a GP38-2.
Conversely, a number of higher horsepower 40 Series locomotives have been rebuilt into the equivalent of a GP38-2 (GP38AC), by the removal of the turbocharger and the substitution of twin Roots blowers.
- Marre, Louis A. & Pinkepank, Jerry A. (1989). The Contemporary Diesel Spotter's Guide. Waukesha, WI: Kalmbach Books. ISBN 0-89024-088-4. LCCN 88083625. OCLC 19959644.
- Pinkepank, Jerry A. (1973). The Second Diesel Spotter’s Guide. Milwaukee, WI: Kalmbach Publishing Company. ISBN 0-89024-026-4.
- Sarberenyi, Robert. EMD GP38 and GP38AC Original Owners
Media related to EMD GP38 locomotives at Wikimedia Commons
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