Billy Twofeathers' steam engine is named the Rainbow Sun. The Rainbow Sun is the name of the special express train which runs on the Indian Valley Railroad to the little valley town Shining Time, which goes to the Magical Station named Shining Time Station. In the opening and closing credits of Shining Time Station, the locomotive is played by Union Pacific #844. In 'Tis A Gift, the Rainbow Sun was played by Grand Canyon Railway's #18 that lead The Northern Star. In Thomas and the Magic Railroad, it was played by the Strasburg Railroad's #475, built in 1906 and formerly on the roster of the Norfolk and Western Railroad.