As the additional armor in KV-1 type production art is trivial and produce the efficiency lowly, consequently a type of brand new KV-1 appeared again, this is known as M KV-1 1942 the traits of kinds comprise in armor that enhance completely with then increase production efficiency the simplification of this function designs. The bodywork armor was again 75 millimeters of to boost 90 millimeters of, dry by heat the absolute most dense devote armor regarding the tower attains 120 millimeters.