52' Flat Car - UNION PACIFIC® #58259 - N Scale. A flatcar is an open deck railroad car used to transport loads that are too large to ship inside an enclosed rail car. They are designed to carry machinery, as well as intermodal containers (shipping containers), and trailers. Bachmann Flatcars, come in a variety of colors and road names. Each flatcar is fully assembled and features; Highly Detailed Painted Bodies with Precision Graphics, 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