Southern Railway 4501 is a preserved Ms class 2-8-2 "Mikado" type steam locomotive built in October 1911 by the Baldwin Locomotive Works in Philadelphia, Pennsylvania as the first of its wheel arrangement type for the Southern Railway (SOU). In 1948, the locomotive was retired from the SOU in favor of dieselization and was sold to the shortline Kentucky and Tennessee Railway (K&T) in Stearns, Kentucky to haul coal trains.