The train engine used in this film is the El Paso & Southwestern Railroad No. 1, a 4-4-0 type steam locomotive, preserved in El Paso, Texas. The engine was built in 1857 by Breese, Kneeland, and Company of Jersey City, New Jersey, and is the only locomotive built by that firm still in existence.
This film's television premiere took place in Los Angeles Friday 21 June 1957 on KTTV (Channel 11); it first aired in Portland OR 18 July 1957 on KGW (Channel 8), in Philadelphia 14 August 1957 on WFIL (Channel 6), in New Haven CT 28 August 1957 on WNHC (Channel 18), in Norfolk VA 2 October 1957 on WTAR (Channel 3), in Chicago 8 October 1957 on WBBM (Channel 2), in Cleveland 3 November 1957 on KYW (Channel 3), and in San Francisco 27 January 1958 on KGO (Channel 7); it finally found its way to New York City 2 August 1960 on WCBS (Channel 2).