Freight wagon sliding wall wagon double unit ÖBB Ep.IV-V

Double sliding wall wagon unit, type Hbis, of the forwarding agency "FERTRANS" hired out on the Austrian Federal Railways.

- Each with four side walls that can be opened
- Both carriages are rigidly connected with a detachable drawbar

The prototype cars belonged to the company FERTRANS AG, International Transport, based in Buchs/Switzerland. The wagons for transporting moisture-sensitive goods were only used in pairs.