Z Scale This center cuploa caboose is painted green with yellow end stripes, herald and lettering. Built in 1968, this hack ran the Midwest during the 70s-80s on Bettendorf trucks. This caboose was painted in the Whitman green paint scheme when shopped in the 1970s. The scheme was named for Reginald N. Whitman who was appointed Katy president in 1970. The paint scheme lasted until the merger with the Union Pacific in the late 1980s.