Carlos is a Mexican engine who will be introduced in The Great Race. He was the first winner of the strength race and then he competed in the best decorated engine parade.
Carlos is painted black with green and red linings with a silver smokebox, and carrying the number, 903 on his lamp and cab.
Carlos is based on the National Railways of Mexico GR-3 class 2-8-0, built by the Baldwin Locomotive Works. The engine bearing his number, 903, was built in 1910 and is currently on display in Acámbaro in the Mexican state of Guanajuato.