Progress on the restoration of a more than century old steam locomotive continues here in Sioux City thanks to help from ...

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

The US is preparing another historic coast-to-coast journey for Big Boy 4014, the world’s ...

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.

KANSAS CITY, Mo. (KCTV) - The world’s largest operating steam locomotive is in Kansas City, Missouri. Union Pacific’s No. 4014, aka “Big Boy,” arrived at Union Station Tuesday evening and will be ...

Union Pacific (UP) is joining in the celebration of 250 years of American independence and innovation this year with its ...

The world's largest operating steam engine, Big Boy No. 4014, is returning to Utah for a two day stop in April.Union ...

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 ...

CLAREMORE, Okla. — The world's largest operating steam locomotive made stops in Muskogee and Claremore on Oct. 14. Union Pacific's Big Boy #4014 is on an eight-week, 10-state tour celebrating ...