Model: The cars have the new longer length. Minimum radius for operation 360 mm / 14-3/16". The underbodies and trucks are specific to the cars. The 7319 current-conducting coupling or the 72020/72021 current-conducting coupler, the 73406 pickup shoe, and the 73400/73401 (2 per car) lighting kit, and the 73409 marker light kit can be installed in the cars. Total Length over the buffers 84.6 cm / 33-5/16".
DC wheel sets 12 x 700580.
The class 3600 is the right motive power for these cars and can be found in the Märklin H0 assortment under item no. 37334.