The E8 was the ninth model in the line of passenger diesels of the EMD E-unit Series.
The EMD E8 is a 2,250-horsepower (1,678 kW), A1A-A1A passenger-train locomotive built by General Motors' Electro-Motive Division (EMD) of La Grange, Illinois. A total of 421 cab versions, or E8As, were built from August 1949 to January 1954, 418 for the U.S. and 3 for Canada. 39 E8Bs were built from December 1949 to January 1954, all for the U.S.