Big Boy Train Tour Schedule Chicago 2024. 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,. 4014 heads out again on the heartland of america tour starting on thursday, aug.

4014, the world’s largest steam locomotive, will return to the rails in 2024 for a tour celebrating the railroad’s deep. — union pacific will send big boy no.