You are bidding on a Rail King by MTH O gauge GG-1 silver & blue single stripe engine used in the original box. This set came from a private collection. The features are 2 precision flywheel equipped motors, all metal wheels & gears, compatible with most AC transformers, DCRU Electronic reverse By QSI, equipped with electronic horn, Die-cast intricately detailed body, measures 15" X 2 5/8" X 3 3/4", die-cast 4 wheel trucks, operating die-cast metal couplers, stamped metal floor, operates on 0-27 track, operating headlight, accepts plug in proto sound system. This engine is in real good condition.