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Union Pacific #844, Challenger #3985, and Big Boy #4014 tackle the renowned Wasatch Summit.
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Union Pacific #844, Challenger #3985, and Big Boy #4014 tackle the renowned Wasatch Summit.
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The World's Largest Steam Engine! UP Big Boy No. 4014 Climbing The Wasatch Grade Unassisted!
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UP Big Boy 4014 Crosses the Feather River in Oroville with AMAZING Stack Talk! 4/12/2026
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How Both Union Pacific 844 and 4014 Rescued Freight Trains
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Find in video from 01:12The Emergency Call from Union Pacific Crew
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