1941 - USA M6A2 Heavy Tank

Armament:       1 - 3" gun (modified AA gun)
                            1 - coaxial 37mm AT gun
                            3 -  0.5" MG
                            1 -  0.3" MG
Engine:             Wright G-200, radial, 9 cyl, air
                             cooled, 800 hp
Speed:              22 mph
Range:              100 miles
Crew:                 6
Weight:              50 tons
Only 40 built. Trials led to M-26 tank series. Designed
to break through defenses in the European theater. Used
GE electric transmission. This is a sole survivor.