The ZiS-30 was a light self-propelled anti-tank gun built for the Soviet Red Army in 1941. It was based on the Komsomolets armoured artillery tractor. They were successful vehicles, but production was limited by the number of Komsomolets tractors still in use.The ZiS-30 was one of a few hastily designed armoured fighting vehicles created by Soviet industry shortly after the German invasion during Operation Barbarossa in 1941. In August 1941 Grabin's design bureau at the Gorky plant no. 92 mounted the 57 mm ZiS-2 gun onto the chassis of a Komsomolets artillery tractor. Only around 100 were produced. As one example of its employment, on October 2 the 21st Tank Brigade, under 30th Army in the Kalinin area, included a battery of four ZiS-30s. By October 20 three of these remained on strength. This brigade also had ten T-34-57s which carried the ZiS-4 tank model of the ZiS-2.

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