An EMD GP38AC is a 4-axle diesel locomotive built by General Motors Electro-Motive Division beginning in 1971. It was basically a GP38 with an AR10 alternating current alternator instead of the GP38's normal direct current alternator. Great Western Railway No. ... General Motors Electro-Motive Division (normally shortened to GM EMD or just EMD) is the worlds largest builder of railroad locomotives. ... CC 2008, a GP38, leads a westbound train through northern Illinois in 1993. ... An alternating current (AC) is an electrical current where the magnitude and direction of the current varies cyclically, as opposed to direct current, where the direction of the current stays constant. ... Direct current (DC or continuous current) is the continuous flow of electricity through a conductor such as a wire from high to low potential. ...

240 examples of this model were built; railroads that purchased this model include DT&I, GTW, GM&O, IC, LV, L&N, N&W, SLSF, SOU and Pacific Power and Light. The Detroit, Toledo and Ironton Railroad (DT&I, AAR reporting mark DTI) was a railroad that operated between its namesake cities in Michigan and Ohio between 1905 and 1982. ... Grand Trunk Western Railroad logo or herald (used 1960-1995) CNs principal U.S. subsidiary The Grand Trunk Western Railroad (GTWR, GT post-1960, AAR reporting mark GTW) is a U.S. railroad and primary subsidiary of Canadian National Railway (CN). ... The Gulf, Mobile and Ohio ( AAR reporting mark GMO) was a railroad carrier in the central United States, with its primary routes from Chicago to Mobile, Alabama and Kansas City, Missouri. ... Categories: Rail stubs | Defunct railroad companies of the United States | Defunct companies | Illinois railroads | Iowa railroads | Louisiana railroads | Missouri railroads | South Dakota railroads | Wisconsin railroads ... Categories: Stub | Defunct railroad companies of the United States | Defunct companies | New York railroads | Pennsylvania railroads ... Chartered by the state of Kentucky in 1850, the L&N, as it was generally known, grew into one of the great success stories of American business. ... Norfolk and Western Railway (AAR reporting mark: NW), a US class 1 railroad, was formed by more than 200 railroad mergers between 1838 and 1982. ... The St. ... The Southern Railway (AAR designation SOU) was the product of nearly 150 predecessor lines that were combined, reorganized and recombined since the 1830s. ...

References

• Marre, Louis A., and Pinkepank, Jerry A. (1989). The Contemporary Diesel Spotter's Guide. Kalmbach Books, Waukesha, WI. ISBN 0-89026-088-4.
• Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Kalmbach Books, Waukesha, WI. ISBN 0-89024-026-4.

1989 is a common year starting on Sunday of the Gregorian calendar. ...