After the end of the Second world war, the Americans carried out another, a few modernization of tanks “Sherman” modifications M4A1 and M4A3 (probably several hundred tanks were modified). The combat vehicles were rearmed from 75mm M3 guns to 76mm M1, and the upgrade was carried out without replacing the turret. Updated “Sherman” got indices E6 and E4, becoming М4А1Е6 and М4А3Е4 respectively. Some tanks were equipped with bulldozer dumps and received the word “Dozer” in addition to the index"
