Union Pacific CEO Jim Vena says he wants the world’s heaviest operational steam locomotive — Big Boy 4014 — to make its first ...

Union Pacific plans to send Big Boy No. 4014 on a transcontinental trip next year as part of the nation’s 250th anniversary ...

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 ...

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, ...

The world’s largest operating steam locomotive has several Louisiana whistle-stops and overnight stays in two cities as part of a 10-state tour. Big Boy No. 4014 will be on display Saturday in New ...

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 ...

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 ...

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 ...