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developed in 1941, very little protection and mainly used against the Japanese in the Philippines.
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Developed in 1942, major upgrade from M3, sent to the fronts in Europe.
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Developed in 1943, faster, improved traverse rate, more velocity, improved barrel. Main purpose was for the speed.
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Developed soon after the original model, slight differences such as barrel, speed, and penetration. Used mainly in the summer of 1944.
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Developed in mid 1943, Major penetration upgrade, used in 1944.
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Developed after the M36, another modified version of the original that got a major upgrade in penetration with a 90 mm instead of 76mm.
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Developed in 1944, Heavy Armour, more, penetration, built in cannon.
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Developed in 1960, auto loader, smaller, faster, penetration, shells.
