By 1943 the series of Samokhodnaya ustanovka casemate-armored vehicles had started to appear at the front, starting with the SU-85, and by late 1944 the SU-100, which mounted powerful guns on modern chassis adopting the full-casemate enclosure of the crew compartment as the Germans had done with the StuG III.
During the Battle of Kursk, Das Reich had been transferred south to oppose the Russian counterattack across the Mius River, and destroyed 391 tanks and (Samokhodnaya ustanovka (self propelled guns)) from 30 July to 21 August 1943.
Self-propelled anti-aircraft weapon (Zenitnaya Samokhodnaya Ustanovka, in Russian)