Comparing: T-44-122 vs. T-43

Development of the vehicle started in 1943. The prototype was built by the end of the year and underwent trials in January 1944. In February 1944, the tank was re-equipped with a 122-mm gun and sent again for trials. Compared to the production vehicle, the 1943 prototype featured a different hull shape, turret, engine, and armor layout.

Designed as a replacement for the T-34 in the spring of 1942. The T-43 was recommended for service, but all work on the project was discontinued in favor of improving the T-34. The vehicle never entered mass production.