Karosa NO 80

Entry to the car provided called mechanical percussion doors, which were placed in the right side frame in the front of the trailer.

It was decided to manufacture buses of unified series Karosa SB (length 10 m), Škoda 706 RTO (11 m) and Škoda 706 RTO-K (articulated, 16 m), trailer Karosa B 50 and trailer NO 80. the prototype bus trailer was made at the end of the year 1960, and in January 1961 was introduced to the professional public, and then was put into trial operation.

Prototype trailer NO 80 was in trial operation in several bus enterprises (e.g. Tábor, Bratislava, Gottwaldov, Brno, etc.).

Then in 1962 it was permanently passed to ČSAD Bratislava and was used around the town of Šaľa in the Nitra region in the western part of Slovakia, and ran for 17 years.

Tractor 706 RTTN was brought in when employees in enterprises also used it in freight transport (as originally planned).