The Union Pacific Big Boy: Still The World's Most Powerful Steam Engine
When it comes to the most powerful engines in modern-day, you wouldn't be alone if your mind immediately went to the highly ...
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Train Simulator: Union Pacific Big Boy Loco Add-On
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 ...