Comparing: T49 vs. AT 2 vs. SU-85I

A variant of the M41 light tank with an enlarged turret and 90-mm gun. Trials started on May 5, 1954. The trials were a success, but the tank never saw mass production due to lack of interest from the military authorities.

Design for an assault tank to break through enemy defensive lines. The design was completed by May 15th, 1943. No prototypes were built, the project helped set the stage for another heavy assault tank, the A39 Tortoise.

A proposed modification of captured German Pz.Kpfw. III tanks, which were to be mounted with the 85 mm gun. Never entered mass production nor saw service.