The 133-foot-long locomotive is the only Big Boy to still travel the tracks.

The world's largest steam engine is coming back to Utah this spring in the first leg of its first-ever coast-to-coast tour, ...

Union Pacific has announced the first leg of the tour of its legendary Big Boy No. 4014 locomotive will begin by leaving ...

Cheyenne-based Big Boy 4014, the world's largest operating steam locomotive, will make its first ever coast-to-coast tour ...

Add Yahoo as a preferred source to see more of our stories on Google. Union Pacific's famed Big Boy steam locomotive will be headed west during its "Westward Bound" summer tour. The world's largest ...

Aug. 14—The world's largest steam locomotive will return to McAlester in October as part of a tour across the Heartland of America. Union Pacific announced this week its Big Boy No. 4014 will leave ...

Union Pacific will celebrate the 250th year of American independence with its first-ever coast-to-coast steam tour led by the Big Boy locomotive.

Union Pacific has released new details on the schedule for its first-ever coast-to-coast tour of its 'Big Boy' historic ...

In its prime, a massive steam locomotive known as Big Boy No. 4014 was a moving eruption of smoke and vapor, a 6,300-horsepower brute dragging heavy freight trains over the mountains of Wyoming and ...

BRYAN, Texas (KBTX) -The legendary Big Boy Steam Locomotive, one of the largest and most powerful steam engines ever built, is rolling down the train tracks this fall as part of its highly-anticipated ...

This is an archived article and the information in the article may be outdated.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. (FOX40.COM) — The world’s largest operating ...