This plot was reused in the Bronco series in the show "Montana Passage" which is on a steamboat instead of a train. Bronco uses the same alias in the show. It was Season 2, Episode 15 of Bronco.
James Garner has a minor role in this episode with the name of Bret. Bret is his name in the long running Maverick episodes that started the following year.
The Wanted Poster on Cheyenne Bodie reads as follows: "WANTED Dead or Alive, Cheyenne Bodie, ESCAPED MURDERER, Description: 6 feet 3 inches, dark hair, reedy complexion. THIS MAN IS ARMED AND DANGEROUS. Convicted by Fair Trial, Cheyenne Bodie was convicted of murder at White Bluff. Reward will be paid by U.S. Marshal."
Ironically, in his final appearance, McLintock, Gordon Jones was cast, again, in the role of sponsor to a group of settlers moving west; except, where this was by train, the movie "pilgrims" (per John Wayne) traveled by wagon train.