TRAIN SIMULATOR: UNION PACIFIC HEAVY CHALLENGER STEAM LOCO

Train Simulator: Union Pacific Heavy Challenger Steam Loco

"The last decades of the steam era in America produced many of the largest, best, and most extraordinary locomotives ever to grace steel rails – and among these landmark locomotives was Union Pacific’s magnificent 3900-class 4-6-6-4 “Challenger."

· July 28, 2022· DLC

The last decades of the steam era in America produced many of the largest, best, and most extraordinary locomotives ever to grace steel rails – and among these landmark locomotives was Union Pacific’s magnificent 3900-class 4-6-6-4 “Challenger.”