A 1.2-million-pound "Big Boy" locomotive returned Thursday to Fort Worth, delighting railfans who traveled from across the state to see the 83-year-old relic. The Union Pacific Big Boy No.

DENVER (KDVR) — One of the world’s largest locomotives passed through Colorado in October, operating much like it did when it was first built in the mid-1900s. The train, known as Big Boy No.

Hundreds of Kansans greet the world's largest steam locomotive, Big Boy No. 4014, on Oct. 17, 2024, in North Topeka. (Anna Kaminski/Kansas Reflector) TOPEKA — The train named Big Boy was late.

The "4014" is the only operating "Big Boy," the biggest steam engines ever built. Big Boy No. 4014, the world’s largest operating steam locomotive, will make two whistle stops in Colorado at the ...