All the Latest Game Footage and Images from Train Simulator: Union Pacific Big Boy Loco Add-On The Union Pacific Railroad's Big Boy 4-8-8-4 steam locomotive is undoubtedly the beast of American ...

a locomotive delivered by Union Pacific Railroad in December of 1941, still holds distinction in the Guinness Book of World Records for the most powerful steam engine in operation today with an ...

All the Latest Game Footage and Images from Train Simulator 2021: Union Pacific Big Boy Steam Loco The ultimate experience of taking the throttle of American steam - big steam - awaits you with ...