Something big is coming to Western Pennsylvania. The world’s largest operating steam engine, Union Pacific Big Boy 4014, is on the East Coast of the United States for the first time in history and will pass through Westmoreland and Allegheny counties Saturday.

Big Boy No. 4014 is rolling through Pennsylvania. Don’t miss your chance to see the world’s largest steam locomotive in action.

Welcoming Big Boy: Photos, videos capture world's largest operating steam engine in Western Pa.

MEXIA, Texas (KWTX) - The world’s largest operating steam engine, Big Boy No. 4014, made a stop at E Commerce St. Crossing in Mexia as part of the Pacific Union’s Heartland of America Tour. Hundreds of people gathered in the small Central Texas town ...

Add Yahoo as a preferred source to see more of our stories on Google. ARGOS — A hulking mass of steel, cast iron and brass — leviathan in size and resurrected from its slumber as a museum artifact — chugged into Indiana and came to a halt. The world ...

Union Pacific's Big Boy No. 4014, the world's largest operating steam locomotive, is drawing crowds as it makes its first East Coast tour ahead of America's 250th birthday.

Largest Operating Steam Engine: The restored Big Boy No. 4014, built in 1941, remains the largest operating steam locomotive, weighing over 1.2 million pounds. New York Tour Stops: The locomotive's June schedule in New York features stops in Ripley ...

The only running Norfolk & Western Class J-611, an old-fashioned steam engine train, will be giving rides out of Staunton for the next two weekends.

Big Boy, the world's largest operating steam locomotive in the world, will pass through several municipalities while making its way through Westmoreland County.