Landkreuzer P-1000 Ratte.

The Landkreuzer P. 1000 Ratte (Spanish for rat) was a project for a German super-heavy tank designed during World War II. It was canceled by Albert Speer in early 1943 in favor of the easier-to-build Panzer VIII Maus.

The development of the Ratte began in June 1942, led by Krupp. Its crew consisted of up to 41 men, the same number of personnel needed to operate eight tanks. On paper, the Ratte's weight was 1000 t (tons), with a power plant composed of 8 Daimler-Benz MB501 20-cylinder torpedo boat engines, or two MAN V12Z32/44 engines used in submarines, powered by diesel and providing the colossal power of 16,000 and 17,000 hp. Its maximum speed was estimated at 40 km/h, and its range was unknown, although we can assume it would be relatively short, given the immense power required to move this titan. The Ratte had a length of 35 m, with a width of 14 m and a height of 11 m. Its armament consisted of 2 naval guns of 280 mm SK C/34, used to destroy large targets at long distances, 2 Maus turrets with 128 mm pieces for tank destroyer use, each with its corresponding 75 mm coaxial gun, 2 15 mm Mauser MG 151/15 cannons, one on each side, used against infantry or unarmored or lightly armored vehicles, and 8 Flak 38 20 mm anti-aircraft guns mounted in two quadruple mounts, used to defend the megatank from aerial attacks. Other designs included a 128 mm cannon and two 15 mm cannons on the front of the hull, and two other quadruple anti-aircraft turrets or a third on the main turret. As for armor, it had 360 mm of steel frontally (armor similar to that of the Bismarck battleship), and 220 mm on the sides.

-Wikipedia-