Two of the locomotives used in the actual Chase had been preserved, though were not in working order. In 1956, the "General" was on display at Chatanooga Union Station, and the "Texas" was at the Atlanta Cyclorama. It would have been too costly to make them safely operational, but fortunately Disney had access to two working 4-4-0’s of nearly identical appearance, both movie veterans: The "William Mason" and "Inyo". For the film, with changes to the paintwork the "William Mason" became the "General", and "Inyo" served as both the "Texas" and the "William R. Smith".