Ernest S. Marsh

Ernest S. Marsh is steam locomotive #4 on the Disneyland Railroad at Disneyland in Anaheim, California. Marsh is a 2-2-0 locomotive built by the Baldwin Locomotive Works in 1925, and went into service at Disneyland on July 25, 1959. It was named after Ernest S. Marsh, then the current president of the Atchison, Topeka, and Santa Fe Railway, which was the sponsor of the Disneyland Railroad from 1955 to 1974.

Pre-Disneyland history
Previous to its use at Disneyland, the locomotive served the Puritan River Sand Company in New Jersey.

Today
The steam engine was converted to burn biodiesel in 2007, as it is less polluting than steam.