Prototype: Austrian Federal Railways (BBÖ) express train passenger cars. 1 type AB4üh skirted passenger car, 1st and 2nd class. 1 type Group 28 B4ipüh car, 2nd class. 1 type Group 28 C4üh car, 3rd class. 1 type Pw4üh baggage car with conductor's cupola. German State Railroad designs, overhauled for important long distance service.