Electro-Motive Division (EMD) of General Motors Corporation has designed the first two models in a series of new passenger locomotives for the North American market. Incorporating many new ideas and concepts through use of a systems approach to the locomotive configuration, these new models offer a significant advancement of the state-of-the-art for passenger locomotives. Among the features of the DE30AC locomotive family are: capability for up to 4,500 brake horsepower, stainless steel sidewalls on a monocoque carbody including integral fuel tank and improved collision strength; isolated engine-generator for low cab and wayside noise and reduced locomotive vibration; modularized equipment in centralized locations; AC traction and head end power (HEP) system; locomotive auxiliary electrical equipment powered from the HEP system; an optimized electrical equipment ventilation system; and a unique, opening front end to facilitate maintenance. This paper describes the locomotive and some of the design considerations in developing this model, with emphasis on the rationale used to select the production configuration.

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