From the Manufacturer
56' ACF center-flow hopper - HO scale. 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.
Funnel shaped, bin like hopper cars load loose material through the top and unload it through bottom hatches. Covered hoppers contain dry bulk goods that need protection from the weather such as grains, concrete powder and minerals. Silver Series rolling stock features: blackened metal wheels, body mounted couplers, and non-magnetic axles.