Sleeper type Y/B-70 WLAB in "Najbrt" design of the Czechoslovakian State Railways.
â– The sleeper is used for international night train services
It was the company Bautzen that delivered the largest quantity of Y coaches outside the GDR, means to the czechoslovakian CSD. Each compartment of the Czechoslovakian passenger coach had single-hung windows and the upper window was slid in front of the lower window. Even today, the CD uses the coaches on a regular basis.