HO GP15T Locomotive, Southern Pacific #3912 Overview
Southern Pacific embarked on an extensive rebuild program for its geeps in the 1980s to extend their service lives- but what if they had gone shopping for EMD's version instead? With the moniker of âbaby tunnel motorsâ, these units will prove to be well-suited to SP's tunnel-prone operating divisions.
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The EMD GP15-1 is a 4-axle diesel-electric 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 or light road switcher. A total of 310 units were built for American railroads. A number of GP15-1s remain in service today for yard work and light road duty.
EMD built 28 examples of a variant, the GP15T, 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.