Dec. 29—Smoke billows from the stack of the steam-powered tractor as it chugs along, sounding like a train locomotive. At a top speed of just under 6 mph, the 150 Case Road Locomotive moves ...

The world's largest steam engine is coming back to Utah this spring in the first leg of its first-ever coast-to-coast tour, Union Pacific announced.

Above: Previous coverage of ‘Big Boy’ locomotive’s first coast-to-coast tour (NEXSTAR) — The ground rumbles. A billowing cloud of steam forms in the sky. Then suddenly, the 1.2 million-pound ...

OGDEN — The world's largest steam engine is coming back to Utah in the spring. Union Pacific unveiled the first few dates of its ambitious transcontinental tour of Big Boy No. 4014 last week, ...

(NEXSTAR) — The ground rumbles. A billowing cloud of steam forms in the sky. Then suddenly, the 1.2 million-pound locomotive known as Big Boy No. 4014 is pulling into a station near you. It won’t be ...

Smoke billows from the stack of the steam-powered tractor as it chugs along, sounding like a train locomotive. At a top speed of just under 6 mph, the 150 Case Road Locomotive moves methodically but ...