ACF 4650 Cubic Foot 3-Bay Covered Hopper Norfolk Southern (gray, black)Details: This InterMountain Railway Co. ready to run HO Scale ACF 4650 Cubic Foot 3 Bay Covered Hopper features a detailed injection molded body, etched metal parts where appropriate, fine decoration, appropriate trucks with InterMountain metal wheel sets and magnetic knuckle couplers. The ACF 4650 Cubic Foot 3 Bay Covered Hopper will look great as part of your 1960s and later freight consists.