In the late 1800's, the 2-8-0 Consolidation quickly became a staple on railroads worldwide, offering a highly efficient alternative to the 2-6-0 Mogul. The Consolidations were capable of hauling trains twice as heavy at a fraction of the cost - - they revolutionized freight transportation.

Initially, only a few railroads adopted the design when Baldwin first introduced it. However, its reputation soared when the Pennsylvania Railroad made it their primary freight locomotive in 1875. In total, over 33,000 Consolidations were built in the U.S., with 12,000 exported and 21,000 serving domestically. The 2-8-0 wheel arrangement was also used in Australia, Canada, Finland, New Zealand, South Africa and many other countries around the world.

Today many Consolidations are preserved with a few still operating in excursion service. One of the most notable is the Southern Railway Ks-1 class No. 722, which was run in excursion service until