In the 1950s, a new kind of locomotive made even extreme hills easy for trains to climb. But this extra-powerful engine came ...

Union Pacific announced it has signed an historic $1.2 billion agreement to modernize its AC4400 locomotive fleet.

USA: Union Pacific and Wabtec have announced a 'landmark' $1·2bn agreement for the modernisation of the railway's AC4400 ...

The 133-foot-long locomotive is the only Big Boy to still travel the tracks.

Union Pacific (UP) has signed a $US 1.2bn contract with Wabtec for the modernisation of AC4400 diesel locomotives.

Wabtec and Union Pacific have entered into an agreement amounting to $1.2 billion to modernize AC4400 locomotives. This ...

Wabtec has signed a $1.2 billion contract with American railroad Union Pacific to modernise its type AC4400 locomotives.

ROSEVILLE, Calif. (AP) — Union Pacific said on Monday that it will spend $20 million testing low-emissions locomotives in California. The railroad may eventually test up to 25 locomotives with various ...

OGDEN — A legendary locomotive made its return to Ogden this weekend. Union Pacific’s Big Boy No. 4014 made a weekend stop that drew thousands of visitors of all ages to Union Station from its arrival ...

Union Pacific has unveiled its Abraham Lincoln commemorative locomotive, honoring the president who signed the bill creating Union Pacific as part of the transcontinental railroad. “Union Pacific ...