Prototype: 4 different "Langenschwalbach" design passenger cars, painted and lettered for the German State Railroad Company (DRG). 1 type Pr 09, BC4i passenger car, 2nd/3rd class. 1 type Pr 11, C4i passenger car, 3rd class. 1 type Pr 11, C4itr 2 passenger car with a baggage compartment, 3rd class. 1 type Pr 11, PwPost4i baggage car with a mail compartment.