Prototype: Two second-class express train cars of streamlined design Bye 670, one first/second-class express train car design AByse 617, and one passenger luggage car design Düe 938 (Pw4ü-36) in the condition around 1969 as E 4505 of the Deutsche Bundesbahn (DB) in chrome oxide green livery. Model: All cars equipped with kinematics for short coupling. Three passenger cars with built-in interior lighting. The luggage car is prepared for the subsequent installation of interior lighting. Total length over buffers 534 mm.