DENVER (KDVR) — “Big Boy,” a 1.2 million-pound locomotive, is back in Colorado after being restored to the world’s largest operating steam locomotive — and there’s one more chance to see it this ...

Nebraskans along the historic Union Pacific mainline will get their first looks at the railroad’s newly restored “Big Boy” — the world’s largest operating steam locomotive — in July and again in ...

DENVER (KDVR) — The world’s largest operating steam locomotive, known as Big Boy No. 4014, is coming back to Colorado — and this time, it’s bringing a friend. Union Pacific, a railroad company, ...

DENVER (KDVR) — The world’s largest operating 1.2 million-pound steam locomotive is coming back to Colorado. The locomotive, known as Big Boy No. 4014, is 1.2 million pounds and 132 feet long, about ...

OMAHA, Neb.--(BUSINESS WIRE)--Union Pacific Railroad's iconic Big Boy No. 4014, the world’s largest operating steam locomotive, will journey between Wyoming and Colorado later this month. The limited ...

Union Pacific’s (UP) Big Boy 4014, the world’s largest operating steam locomotive, will make two whistle-stops in Greeley, Colo., this summer as part of a limited summer excursion. Big Boy will be ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — The world’s largest ...