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Tennessee Valley Railroad News

prime mover

Inside the Diesel-Electric Locomotive: A Motor Replacement Tale

Behind the Scenes: Replacing a Locomotive’s Traction Motor As many of you know, most diesel locomotives are not going to be “direct drive” units, but are powered using a “diesel-electric” system. This system works by having the unit’s diesel motor (prime mover in railroad vernacular) turn a generator to create electricity, which is then sent…