The Mark IV tank is a British tank, often classified as a WW1 heavy tank. The first prototypes of this car appeared in 1917, and serial production continued in 1917-1918. As a result, about 1,220 tanks of this type were created. The car was powered by a single Daimler-Foster engine up to 105 HP, and its weight ranged from 27 to 29 tons. The armament of the vehicle (in the so-called Male version) consisted of two 57 mm caliber cannons and three 7.7 mm Lewis machine guns, while the so-called the female version - five 7.7 mm Lewis machine guns.