56" ACF center-flow hopper includes blackened machined-metal wheels with RP25 contours. It is magnetically operated, body mounted E-Z Mate couplers. Non-magnetic, blackened brass axles with needlepoint bearings. Celcon trucks added weight for optimum tracking. Features include: •Blackened machined-metal wheels with RP25 contours •Magnetically operated, body mounted E-Z Mate couplers •Non-magnetic, blackened brass axles with needlepoint bearings •Celcon trucks •Added weight for optimum tracking