FORT WORTH, Texas - The world's largest operating steam locomotive will be in Fort Worth through the weekend. Union Pacific's Big Boy No. 4014 will chug into Fort Worth to be on display Thursday.

The world's largest operating steam locomotive - Union Pacific's Big Boy No. 4014 - rolled into and through Dallas in September and is back in Fort Worth in October.

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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 ...

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 ...