50' Plug Door Track Cleaning Box Car - GREAT NORTHERN #36871 (Cushioned Ride) - N Scale. Bachmann's track cleaning car provides an efficient and economical way to clean your track. This car's exclusive dry cleaning system features a reusable track cleaning pad. (Track Cleaning Replacement Pads, Item 16999, also available). With a variety of colors and road names to choose from, Track Cleaning Cars are sure to keep your trains running smoothly. Our Premium Silver Series® Rolling Stock is Fully Assembled and Features; Highly Detailed Painted Body with Precision Graphics (where applicable), Blackened Machined Metal Wheels with RP 25 Contours, Non-magnetic Blackened Brass Axles with Needle-point Bearings, Magnetically Operated Body Mounted E-Z Mate® Couplers, Celcon Trucks, and Added Weight for Optimum Tracking. N Scale 1:160.