Union Pacific's Big Boy No. 4014 will visit Colorado, for a limited excursion tour this July. A larger tour is planned in ...

The world’s largest operating steam locomotive, known as Big Boy No. 4014, is coming back to Colorado this summer with two ...

A dinosaur rolled into Kansas City Tuesday night. It’s not really a dinosaur, but the Union Pacific No. 4014 Big Boy steam locomotive that rumbled and hissed to a stop at Union Station to the ...

Those wishing to see Big Boy No. 4014, the world’s largest operating steam locomotive, will have their chance Wednesday in Greeley. The popular train will be on public display during its whistle ...

DENVER (KDVR) — One of the world’s largest locomotives passed through Colorado in October, operating much like it did when it was first built in the mid-1900s. The train, known as Big Boy No ...

Big Boy No. 4014, a Union Pacific steam locomotive, is making another stop in Salina this October. The 1.2 million pound steam locomotive was last in Salina in 2021. When is Big Boy No. 4014 ...

This is an archived article and the information in the article may be outdated.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. ST. LOUIS – Big Boy No. 4014, one of ...

FORT WORTH, Texas — A 1.2-million-pound "Big Boy" locomotive returned Thursday to Fort Worth, delighting railfans who traveled from across the state to see the 83-year-old relic. The Union ...