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Prime mover (locomotive)
Main power source in a locomotive / From Wikipedia, the free encyclopedia
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For other uses, see Prime mover.
In engineering, a prime mover is an engine that converts chemical energy of a fuel into useful work.[1] In a locomotive, the prime mover is thus the source of power for its propulsion.[2] In an engine-generator set, the engine is the prime mover, as distinct from the generator.
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