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.

Missouri Pacific locomotives, both steam and diesel, display a variety typical of their era. The “MoPac,” as it was called, ...

Bruce's The Steam Locomotive in America that 6,800 Pacifics ... of "make it bigger" returned with the introduction of the 4-6-4s, 4-8-2s, and 4-8-4s. The Reading Co. became the last U.S. railroad ...

Of the three main types, the grand total of geared steam locomotives built in the U.S. topped out at around 4,500. Despite ...

There’s nothing more guaranteed to excite a grizzled old railway enthusiast than the sight of a steam locomotive. The original main-line rail propulsion technology still clings on in a few ...

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 ...