Comparing: T-28E with F-30 vs. A-32

The T-28 tank with the 85-mm F-30 gun was developed in 1941. One prototype was built and underwent trials. Unlike mass-produced T-28 tanks, the vehicle featured different armament. No sources were found proving that the tank was mass-produced or used in action.

Experimental medium tank. The A-32 and A-20 were developed and put on trials at the same time. The A-32 was adopted for service and evolved into the T-34.