This was a version of step-by-step modernisation of the T-54 tank. The T-55 differed from the T-54 by installation of nuclear protection, enlarged allowance of ammunition and increased engine output. The T-55 was developed by the design bureau of the Uralvagonzavod Plant in Nizhnyi Tagil. The Kharkiv Machine Building Design Bureau provided designer support to the series production of the tank at the Malyshev Plant and participated in improvement of the vehicle. COMBAT CHARACTERISTICS Years of manufacture  1958-1963 Weight 36 t Crew 4 Overall dimensions:   - length 9,000 mm - width 3,270 mm - height 2,400 mm Armament:   - main gun 100 mm - coaxial machine gun and bow machine gun 7.62 mm Armour 20-200 mm Engine power output 580 hp Maximum road speed 50 km/h Cruising range 450-500 km

T-55 Medium Tank

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