Challenger 3985

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The FORMER Largest Operational Steam Locomotive | UP 3985 Challenger | History in the Dark

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Athearn HO Scale Challenger #3985 w/ Tsunami Sound Review

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The Challenger on Sherman Hill - English • Great Railways

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Hear that Train A' Comin

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Lionel HO at its Best - Lionel HO Union Pacific Challenger Review

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The Challenger (Big Boy's Not-So-Little Sister)

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UP 3985 Challenger 4-6-6-4 ; High-Ball - Lombard, IL, 2002-06-15

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Review of the MTH HO scale Challenger 3985 with DCC and Sound Union Pacific UP Scheme

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Union Pacific 3985 \u0026 \

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Union Pacific #3985 hauling 143 Freight cars

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Lionel JLC Series Challenger 3985 Review

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UNION PACIFIC 844 Steam Train!

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Union Pacific Big Boy #4014 Steam Train Accelerating and Sanding Flues (8/27/21)

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Milwaukee Road 261 at speed

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Union Pacific Challenger #3985

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BLI HO UP Challenger Excursion #3985 unboxing and review

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History comes back to life in Silvis rail shop

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Athearn Genesis Challenger 3985

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