The 90th Guards Tank Division was a division of the Soviet Army, and then of the Russian Ground Forces. It was first activated in 1932 as the 82nd Rifle Division. In 1939 it was renamed the 82nd Motorized Rifle Division, and the same year took part in the Battle of Khalkin Gol. It was renamed the 3rd Guards Motorized Rifle Division in March 1942. It took part in the summer battles of 1942 with the Western Front and the failed Operation Mars in November/December 1942. After moving back into Stavka Reserves in June 1943, it was reorganized into the 6th Guards Mechanized Corps on 28 June 1943, being merged with the 49th Mechanised Brigade.