Pacific Big Boy News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Union Pacific Railroad's famed Big Boy 4014, the largest steam locomotive ever built, will hit the rails for a 2024 summer tour, pulling out of Cheyenne June 30 on a monthlong run West to California and back.

Locomotives are some of the longest lasting machines in the world. Here are the oldest locomotives that are still in service on railways around the world.