TRACK CLEANING TANK CAR - SHELL #1782 - HO 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 16949, also available. Each car 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