Model: The car is a four-axle sleeping car with detailed interiors of the sleeping compartments. The car has built-in interior lighting. The car roof has separately applied vents, and indentations for marker signal brackets. The car ends have diaphragms and ladders. The couplers are mounted in close coupler guide mechanisms. Minimum radius for operation 1,020 mm / 40-3/16". Length over the buffers 73.4 cm / 28-7/8".