MTH Rail King 3-rail Southern Pacific RSD-4 with proto sound 3.0
O gauge, 3-rail. MTH Rail King #30-2867-1. RSD-4 diesel engine with Proto-Sound 2.0. Southern Pacific #2872. Die-cast truck sides, pilots and fuel tank. Metal chassis. Metal handrails and decorative horn. Metal wheels, axles and gears. 2 operating couplers. Operates on O-31 curves.