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"Big Boy" Steam Engine
Southeast of downtown Cheyenne in Holiday Park
Southeast of downtown Cheyenne in Holiday Park
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"Big Boy" Steam Engine
Southeast of downtown Cheyenne in Holiday Park |
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| Old Number 4004, the world’s largest steam locomotive, was retired from active duty by the Union Pacific in 1962 after logging over 1,029,507 miles. Overall length: 132 feet, 9-1/4 inches and weighs about 600 tons. Big Boy, is considered by many to be the largest, most successful articulated steam locomotive ever built. “Articulated” refers to the flexibility of the locomotive which is crucial to successfully handling curves on the track. |
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