Prototype: 1 Type Y-B/70 express train passenger car, 2nd class with a baggage compartment, and 1 express train passenger car, 1st class, painted and lettered for the Czech Railroad (Ceské drahy CD). Built starting in 1968.
The cars have close couplers with guide mechanisms. Interior lighting can be installed in the cars.
Total length over the buffers 306 mm / 12-1/16".