Union Pacific Steamer no. 3985: The 4-6-6-4 Challenger, Articulated Steam Locomotive, 1992
10:31
YouTubeWalt Loevy
Union Pacific Steamer no. 3985: The 4-6-6-4 Challenger, Articulated Steam Locomotive, 1992
Union Pacific Steamer no. 3985: The 4-6-6-4 Challenger, 1992! Union Pacific articulated steam locomotive, number 3985, was built in July 1943 as a 4-6-6-4 Challenger-class behemoth for hauling fast freight long distances. The railroad owned only one class of steam locomotive larger than the Challenger, the 4-8-8-4 Big Boy. Number 3985 was ...
36.5K viewsOct 25, 2012
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Union Pacific 4-6-6-4 3985 “Challenger”. From Mark I Video “Close Up 3985” | Dynamo Productions
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Union Pacific 4-6-6-4 Challenger 3985. As seen in Mark I Video “Articulateds” program. | Dynamo Productions
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