When it comes to the most powerful engines in modern-day, you wouldn't be alone if your mind immediately went to the highly ...

The highest torque diesel engines ever made have turned up in everything from small commercial vehicles to powerful ...

The Utah State Railroad Museum in Ogden has acquired a Western Pacific caboose while restoration of the Merci Boxcar, a ...

The Union Pacific Railroad is restoring one of its last remaining steam engines, one of the largest in the world, to celebrate the 150th anniversary of the completion of the Transcontinental ...

Twenty-five of the massive and powerful engines were built in the 1940s to haul heavy Union Pacific freight trains over Wyoming and Utah mountains. The last was retired in 1962. Advertisement ...

OMAHA, Neb. (AP) — Union Pacific will spend more than $1 billion to upgrade 600 of its old diesel locomotives over the next three years and make them more efficient, but regulators still want it ...

Union Pacific's "Big Boy No. 4014" Locomotive is rolling into Colorado for this weekend. It's the world's largest, restored steam engine and was last in the state in November 2019.

It's history on the rails - the Union Pacific Big Boy is the last of the world's largest steam engines, and it will be coming through Oklahoma Saturday, Nov. 16.

OMAHA, Neb. — Union Pacific announced Friday that it will spend $100 million to buy 20 battery-electric engines in the next two years. The purchase is part of the company’s plan to reduce its ...

Union Pacific announced Friday it will spend $100 million to buy 20 battery-electric engines. It said the investment is "the largest investment in battery-electric technology" by a major railroad.

Union Pacific 4014 was one of 25 4-8-8-4 steam locomotives, dubbed Big Boys, manufactured by the American Locomotive Company between 1941 and 1944.(The 4-8-8-4 designation refers to the ...

It's been decades since a steam-powered locomotive passed through Cape Girardeau, but a Union Pacific online contest gives people the power to route the train to their hometowns. City leaders are ...