Steam locomotive profile: 4-8-8-4 Big Boy

Union Pacific 4-8-8-4 Big Boy
The proving ground for Union Pacific's locomotives was a 75-mile portion of its busy main line between Ogden, Utah, and Evanston, Wyo. Eastward trains faced a climb through the Wasatch Mountains on grades of 1 percent or better. It was an expensive l...

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Before Penn Central

Before Penn Central

Stories about the PRR, NYC, NH and PC.

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