Big Boy 2024

Big Boy 2024. 4014, the world’s largest steam locomotive, will return to the rails in 2024 for a tour celebrating the railroad’s deep history and connection to. Union pacific railroad’s famed big boy 4014, the largest steam locomotive ever built, will again head out on a summer tour in 2024.

4014 on a “four corners” tour of its system in 2024, the railroad announced today, including stops in oregon, california,. Union pacific’s famed big boy no.