Ore Car - UNION PACIFIC 64194 - HO Scale. Ore cars are a specialized type of hopper car designed exclusively to haul heavy loads of iron ore. Bachmann Ore Cars come in a variety of colors and road names. Each car is fully assembled and features; Highly Detailed Painted Bodies with Precision Graphics where applicable, Blackened Machined Metal Wheels with RP 25 Contours, Magnetically Operated E-Z Mate Couplers, Non-magnetic Blackened Brass Axles with Needle-point Bearings, Celcon Trucks, and Added Weight for Optimum Tracking Performance