Up Big Boy Tour 2024. 4014, the world’s largest steam locomotive, will return to the rails this summer with a scenic tour across mountain ranges and high desert. Big boy 4014 will be on display for union pacific employees and their families on saturday, september 7, 2024, and to the public on sunday, september 8, 2024 from 9am.
Union pacific’s famed big boy no. 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.
