Built at the Plymouth Locomotive Works of Plymouth, Ohio, #2003 is a propane-electric unit used in short line freight service on the Joplin-Pittsburg Railroad and later on the Kansas City Public Service Freight Operation as # 1. It weights 140,000 pounds, has a maximum speed of 35 mph, and contains four 110 horsepower Westinghouse motors. In 1964, #2003 was donated by James G. Ashley, Sr. of Kansas City Public Service Freight Operation.