Panzer VIII Maus

The Panzerkampfwagen VIII Maus, meaning mouse, was a German World War II super-heavy tank completed in July 1944 and the heaviest fully enclosed armoured fighting vehicle ever built. Five were ordered but only two hulls and one turret were completed. The complete vehicle was about 10.2 metres long and weighed roughly 188 metric tons, carrying a 128 mm main gun with a coaxial 75 mm gun. Its design grew from a 1942 contract to Porsche for a 100-ton tank, with Krupp responsible for the chassis, armament and turret and Alkett for final assembly. It was meant to use a hybrid drive, an internal-combustion engine powering an electric generator that fed electric motors in the tracks.