List of GM-EMD locomotives

The following is a list of locomotives produced by the Electro-Motive Corporation (EMC), and its successors General Motors Electro-Motive Division (GM-EMD) and Electro-Motive Diesel (EMD).

EMC participated in the construction of a number of motorized railcars, integrated streamliner trainsets, and experimental locomotives in the 1930s. Most of these were short production runs (one, two, or four units) that were used by a single railroad. These consisted of Winton prime movers and General Electric generating, control and transmission components inside a carbody whose assembly was subcontracted to another manufacturer, since EMC did not commence regular locomotive production until 1937.

In a very real sense, yesterday's General Purpose has become today's Special Purpose ("time" freight and other time-sensitive lading). True GPs were discontinued after the completion of the last GP60 in 1994. However, many earlier model GPs, most particularly GP40s, GP39s and GP38s, have been rebuilt to Dash 2 standards for another 30 to 40 years of reliable service.

In a very real sense, yesterday's Special Duty eventually became today's Standard Duty. Many earlier model SDs, most particularly SD40s, SD39s and SD38s, have been rebuilt to Dash 2 standards for another 30 to 40 years of reliable service.

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