According to Union Pacific, eight Big Boy engines remain in existence, but only No. 4014 continues to operate. The seven ...
Big Boy is 133 feet long and weighs 1.2 million pounds, requiring a "hinged" frame to help it get around curves.
MyTwinTiers.com on MSN
Historic 1.2M-pound locomotive 'Big Boy' to embark on first coast-to-coast tour in 2026
Big Boy is 133 feet long and weighs 1.2 million pounds, requiring a "hinged" frame to help it get around curves.
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