The T-90 (not to be confused with it's modern namesake), was designed in October 1942 as a conversion of the earlier T-70M. The tank turret was replaced with a new octagonal roofless turret. It's main armament was two 12.7mm DShKT machine guns that wer capable of elevating up to 85 degrees from horizontal. It carried 480 round and was crewed by 2 men.