 These were designated Sherman M-50 by the Israelis.Before the Six-Day War in 1967, the Israeli Army upgraded about 180 M4A1(76)W HVSS Shermans with the French 105 mm Modèle F1 gun, re-engined them with Cummins diesel engines and designated the upgraded tank Sherman M-51.The Sherman tanks, fighting alongside the 105 mm Centurion "Sh'ot Kal" and M48 Patton tanks, were able to defeat the T-34/85, T-54/55/62 series, and IS-3 tanks used by the Egyptian and Syrian forces in the 1967 Six-Day War.