40 STEAM ERA BOX CAR - UNION PACIFIC® #125764 - HO Scale. This Steam Era Box Car from the 1930s - 1950s features a prototypical paint scheme, and is the perfect addition to your old time rail road. Features include: Highly Detailed Painted Body with Precision Graphics, Blackened machined-metal wheels with RP25 contours, Magnetically operated body mounted E-Mate® couplers, Blackened-brass axles with needlepoint bearings, Celcon trucks, and has added weight for optimum tracking.