Schwerer Zugkraftwagen 18 t (Sd Kfz 9) This Pz Kpfw III Ausf. G, having slipped off the road, is being salvaged by a Zugkraftwagen 18 t (Sd Kfz 9). Three Zugkraftwagen 18 t (Sd Kfz 9) towing a 38 cm gun barrel for Batterie Todt in Calais, France. France