Medium tank Medium tank Medium tank is a classification of tanks, particularly prevalent during World War II which represented a compromise between the mobility oriented light tanks and the armour and armament oriented heavy tanks. The most widely produced, cost effective and successful tanks of World War II (the Soviet T-34, the American Sherman tank, the Japanese Type 97 and the German Panzer IV) were all medium tank designs, and the success of the concept would later lead to the development of later generations of medium tanks such as the Chieftain. Many of the medium tanks lines became what are called main
German tanks in World War II keep pace with Soviet T-34 and KV tanks, which respectively, either had sloped armor or relatively thick armor and both shared 76 mm guns. By 1941, the Panzer III was the most numerous of German tank designs, however, during the later parts of 1943, it was largely replaced by later versions of the Panzer IV and Panzer V "Panther". Its assault gun chassis variant, the Sturmgeschütz III was, with just over 9,400 units built, the most widely produced German armored fighting vehicle of World War II. The Panzer IV was the workhorse of the German tank force during World War