The product is a rare Mantua/Tyco HO Scale Rio Grande GP20 locomotive engine, new in box. This diesel locomotive features a 2-rail-2-conductor rail system, yellow, black, and orange colors, and is a replica of the EMD GP20. Made from plastic and diecast materials, it has light function and painted details. The control system for this vintage model is analog, making it a valuable addition to any model railroad collection.