

The project gained the approval of Adolf Hitler, who had expressed interest in the development of the tank, but was cancelled by Minister of Armaments Albert Speer in early 1943. The tank was planned to be 1000 tonnes, being far heavier than the Panzer VIII "Maus", the heaviest tank ever built (weighing 188 tonnes). Submitted designs and drawings of the vehicle went under the names OKH Auftrag Nr.

1000 "Rat") was a design for a 1000-ton tank to be used by Germany during World War II which may have been proposed by Krupp director Edward Grotte in June 1942, who had already named it " Landkreuzer".
