This Union Pacific Bethlehem Steel 100-Ton 3-Bay Hopper (#36255) is a Premium HO Scale Model from the Bachmann Silver Series Suitable for Ages 8 and Older, Blackened, machined-metal wheels with RP25 contours, Magnetically operated, body mounted E-Z Mate couplers, Realistically detailed Barber 100 ton roller bearing trucks molded in black Celcon material, Non-magnetic, blackened-brass axles with needlepoint bearings, Exterior braces complete with rivet detail, Detailed brake cylinder and air reservoir, Delicately molded brakewheel, Removable coal load, Three bays with molded-in outlet gates, Accurately molded plastic body shell prototypically painted brown with crisp white print: Union Pacific, UP 36255, H-90-5, data, Added steel weight for optimum tracking, Includes: One 3-Bay Hopper, Scale: HO 1:87, Length: 6-3/8"" (161mm), Width: 1-3/8"" (34mm), Height: 1-3/4"" (44mm) SKU: SPWS910