Prototype: German Federal Railroad (DB) type Fad-50 high capacity hopper car. Used for unit trains for transporting bulk freight such as coal, coke, and ore.
Model: The unloading hatches on the sides of the cars can be opened. The minimum radius for operation is 1,020 mm / 40-1/8". Length over the buffers 37.0 cm / 14-9/16".