GREELEY — Hundreds of people lined the Union Pacific railroad tracks in Greeley on Wednesday to get a glimpse of Big Boy No. 4014, the world's largest operating steam engine. People cheered and ...

Union Pacific is bringing its famous Big Boy No. 4014 — the world's largest operating steam locomotive —back to Utah for the first time in five years. Big Boy will be taking its Westbound Tour ...

WICHITA, Kan. (KSNW) — Big Boy No. 4014, the historic Union Pacific railroad engine, arrived in Kansas. The 1.2 million-pound locomotive has been on the “Heartland of America Tour,” which ...

Big Boy No. 4014, Union Pacific steam locomotive is rolling into Salina this week, giving people in central Kansas another chance to see the 132-feet long train. Originally put into service in ...

Union Pacific's Big Boy #4014 is on an eight-week, 10-state tour celebrating railroads and the communities they serve. 2 News Photojournalist Andrew Mohler was there when the iconic engine pulled ...

The world's largest steam engine is coming back to Colorado. Union Pacific will bring Big Boy No. 4014 through Colorado from Monday, Oct. 21, to Wednesday, Oct. 23, on its "Heartland of America Tour." ...

The historic Union Pacific Railroad locomotive known as Big Boy No. 4014 made a stop in North Texas during its 'Heartland of America Tour.' Last month people lined the streets alongside the tracks ...

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The world's largest steam engine stopped in Greeley on Wednesday before departing for its home in Cheyenne, Wyoming.

Big Boy No. 4014, Union Pacific steam locomotive is rolling into Salina this week, giving people in central Kansas another chance to see the 132-feet long train. Originally put into service in 1941, ...