Prototype: Type Kmmks 51 sliding roof car without a brakeman's platform or cab.

Model: The frame and car body are made of high quality plastic with numerous separately applied parts (brake rigging, etc.). The car is extensively imprinted with repaired areas and weathered. The car has a new car number. Minimum radius for operation 1,020 mm / 40-3/16". Length over the buffers approximately 31 cm / 12-3/16".