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The Union Pacific Big Boy: Still The World's Most Powerful Steam Engine
That said, it's still impressive that the Big Boy 4014, a locomotive delivered by Union Pacific Railroad in December ... operational locomotive from this set, several were actually produced ...
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Union Pacific’s Big Boy 4014 train steams into northern Illinois next week
ROCHELLE, Ill. (WTVO) — Union Pacific’s Big Boy No. 4014, the world’s largest steam engine train, is set to return to ...