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Union Pacific U50

By | December 22, 2020

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Union Pacific’s infatuation with super-sized diesels led to the creation of the General Electric U50 in 1963. The units featured two 2,500 h.p. engines on B+B-B+B running gear – essentially two U25Bs under one roof. UP bought 13 of the brutes; SP, 3.
Photo by General Electric

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