UP 25732 is a CA-10 class steel cupola caboose originally built in September 1975. The car was retired in 1988 and was generously donated by Union Pacific to the Western Railway Museum at Rio Vista Junction in Suisun, California. In 2006 the car was involved in a trade with the Western Pacific Railroad Museum in Portola, CA where it now resides. Images were taken May 27, 2007 in Portola, CA.