76 mm tankgun M1940 F-34 (76-мм танковая пушка обр. 1940 г. Ф-34) was a 76.2 mm Soviet tankgun used on the T-34/76 tank. A modified version of the gun, the
heavier armor, a cast or welded two-man turret, and the superior F-34tankgun. Model 1942 (T-34/76C) - This was a production model built in 1942 in May, with
forces started encountering German tanks armed with the new long 75mm KwK 40 gun which could easily penetrate a T-34 at long range. In June 1942, the Soviet
1979. On the T-55 the D-10 continues to be in active service in many countries. At the beginning of 1944, the T-34tank'sF-34 76.2 mm tankgun was replaced