The "Big Boy" No. 4014, the world's largest steam engine, visited Ennis, exciting locals and train aficionados.

MEXIA, Texas (KWTX) - The world’s largest operating steam engine, Big Boy No. 4014, made a stop at E Commerce St. Crossing in ...

Big Boy No. 4014 is the last of its kind still in operation, and is the largest steam locomotive in the world.

Union Pacific's Big Boy No. 4014 is making a stop in Houston as a part of its Big Boy Heartland of America Tour.

Union Pacific's Big Boy No. 4014 made a stop at a private Union Pacific Event on Wednesday and will leave for Hearne at 9 a.m ...

The world's largest operational steam locomotive left Dallas on Thursday morning and is headed for Houston. Union Pacific's ...