There are steam locomotives, and then there’s “Big Boy.” At 604 tons and 132 feet long and with a 4-8-8-4-wheel arrangement, it is the largest, most powerful steam locomotive in the world.

Just days after we wrote about the problem of trying to introduce cleaner locomotives into existing railway's fleets, Union Pacific Railroad has unveiled the first of 60 new environmentally ...

Read more: 11 Of The Oldest Locomotives Still In Service Today The Union Pacific Big Boy was originally constructed in 1941, with its creation led by then-president of Union Pacific Railroad ...

Union Pacific's famed Big Boy steam locomotive will be headed west during its "Westward Bound" summer tour. The world's ...

Union Pacific Railroad’s “Challenger” No. 3985, the world’s largest operating steam locomotive, will stop in Shakopee as part of a five-state, 1,750-mile tour from Cheyenne, Wyo., to ...