An EMD GP15T is a 4-axle switcher diesel-electric locomotive built by General Motors Electro-Motive Division between October 1982 and April 1983. It was a very close cousin to the GP15-1, but used a turbocharger in order to generate more power from a smaller engine. Power was provided by an 8-cylinder diesel engine that generated 1,500 hp (1.12 MW), the same as the GP15-1, but with four fewer cylinders.

Type and origin
Power typeDiesel-electric
BuilderGeneral Motors Electro-Motive Division (EMD)
Build dateOctober 1982 April 1983
Total produced28
Gauge4 ft 8 12 in (1,435 mm)
Loco brakeStraight air, dynamic
Train brakesAir
Performance figures
Power output1,500 hp (1.12 MW)
LocaleUnited States

28 examples of this locomotive model were built for American railroads. The Chessie System received the majority of them as C&O 1500-1524 (25 units), while the rest went to the Apalachicola Northern in Florida as AN 720-722 (3 units).

Chessie Systems GP15Ts are equipped with dynamic braking and the optional inertial air filtration system, whereas ANs GP15Ts do not have dynamic braking, and also uses the standard non-inertial intake system.


  • 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.
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