The Bowser HO Scale ready-to-run 100-Ton 3-Bay Hopper is based on typical three-bay cars used across North America. The 2026-retooled models feature injection-molded bodies with accurate decoration, accurate molded details, interior and slope sheet braces, free-rolling trucks with 36" metal wheels and magnetic knuckle couplers. They're great additions to your diesel-era coal, aggregate and general freight trains. The 100-Ton 3-Bay Hopper is part of the entire line of Bowser HO Scale ready-to-run freight cars.