Prototype: German Federal Railroad (DB) type Tims 858 (former Kmmgks 58) sliding roof / sliding wall car. Version without a brakeman's platform. The car looks as it did around 1972.
Model: The car has ladders at the ends and service platforms. The underframe does not have truss rods. Length over the buffers 11.5 cm / 4-1/2". DC wheel set 2 x 700580.