Prototype: Type Fad 155 (former OOtz 41 / Erz IIId) four-axle hopper car. Privately owned car for the Märklin Magazin, Göppingen, Germany, used on the German Federal Railroad (DB). Version with a high upper body and brakeman’s platform. Used to transport coal. Standard design pressed metal trucks, with welded beam as reinforcement. The car looks as it did around 1990.