Comparing: T40 vs. Alecto vs. SU-85B

Experimental tank destroyer developed on the basis of the M3 tank in the spring of 1942. The vehicle never entered mass production, nor saw service.

Tank destroyer, developed from 1944–1945 on the basis of the Tetrarch light tank. The project was canceled when WWII ended.

In April-May of 1943, the SU-85B tank destroyer designed by the Gorky Automobile Plant underwent trials. The vehicle was a modernization of the SU-85A and featured the artillery LB-2 gun, 160-hp engine, and SU-76M chassis. The cabin, drive wheels, and spare parts kits were redesigned. Only one prototype was built.