The Baldwin DT-6-6-2000 was a twin-engined diesel-electric transfer switcher, built by Baldwin Locomotive Works between 1946 and 1950.

The Elgin, Joliet and Eastern Railway was a Class II railroad, making a roughly circular path between Waukegan, Illinois and Gary, Indiana. The railroad served as a link between Class I railroads traveling to and from Chicago, although it operated almost entirely within the city's suburbs, only entering Chicago where it served the U.S. Steel South Works on the shores of Lake Michigan. Nicknames for the railroad included "The J" and "The Chicago Outer Belt Line". At the end of 1970, the EJ&E operated 164 miles of track and carried 848 million ton-miles of revenue freight in that year alone.