Big Boy is 133 feet long and weighs 1.2 million pounds, requiring a "hinged" frame to help it get around curves.

Big Boy No. 4014 was last in Texas in the fall of 2024, passing through Houston on Oct. 6 and through Fort Worth on Oct. 10 ...

Union Pacific Railroad said Big Boy No. 4014 will return to the rails in a "big way" in honor of America's 250th anniversary ...

According to Union Pacific, eight Big Boy engines remain in existence, but only No. 4014 continues to operate. The seven ...

If you are a fan of trains, or just history, or maybe you just want to see something that is powerful and cool. Union Pacific ...

GREELEY, Colo. — The world's largest steam engine is back in Colorado. Union Pacific will bring Big Boy No. 4014 to Greeley from Tuesday to Wednesday, as part of a limited autumn excursion. The tour ...

WICHITA, Kan. (KSNW) – Union Pacific’s Big Boy No. 4014 will return to the rails in a big way in 2026 to celebrate America’s 250th anniversary. The CEO of Union Pacific told Trains.com late last week ...

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 ...

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 excursion will offer rail fans ...

Jennifer McRae is a digital media producer for CBS Colorado with more than 25 years of experience in news. Jennifer is part of the digital team recognized for excellence for Best Website several times ...

Union Pacific is dropping new hints this week of a coast-to-coast journey for its historic locomotive nicknamed ‘Big Boy’ ...