Comparing: M6 vs. TOG II*

Developed from 1940 through 1942, with a total of 40 vehicles manufactured from November 1942 through February 1944. It never saw action.

Developed for trench warfare. Initially, armament was to be placed in the front part of the hull and side sponsons. However, later it was decided not to add sponsons but to mount a turret. By 1943, when TOG 2* was completed and ready for trials, it was already obsolete. The vehicle never entered service.