An EMD GP15AC is a 4-axle diesel locomotive

Diesel locomotive

A diesel locomotive is a type of railroad locomotive in which the prime mover is a diesel engine, a reciprocating engine operating on the Diesel cycle as invented by Dr. Rudolf Diesel...

 built by General Motors Electro-Motive Division between November and December 1982. This locomotive differs from the otherwise identical EMD GP15-1

EMD GP15-1

The EMD GP15-1 is a 4-axle diesel locomotive built by General Motors Electro-Motive Division between June, 1976 and March, 1982. Intended to provide an alternative to the rebuilding programs that many railroads were applying to their early road switchers, it is generally employed as a yard switcher...

 due to Missouri Pacific specifying new AR10 AC alternators instead of rebuilt D32 DC generators. The only external difference between the GP15AC and the GP15-1 is a straight side sill (shared with the EMD GP15T

EMD GP15T

An EMD GP15T is a 4-axle diesel 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...

) not related to the transmission difference.

30 examples of this locomotive model were built for American railroads, with four units built for Venezuela's IAFFE.

External links

• Sarberenyi, Robert. EMD GP15-1, GP15AC, and GP15T Original Owners