Propulsion
The Ratte was to be propelled by four MAN V12Z32/44 24 cylinder marine diesel engines of 8500 hp (6.2 MW) each (as used in U-boats) or eight Daimler-Benz MB 501 20 cylinder marine diesel engines of 2000 hp (1.5 MW) each (as used in E-boats) to achieve the 16,000 hp (11.8 MW) needed to move this tank.
Armament
The Ratte's primary weapons would have been two 280 mm SK C/34 naval guns mounted in a modified naval heavy cruiser turret as used in the Gneisenau class warships, fitting two guns instead of three. One such turret was supposedly built before the project was canceled, although documentation of its whereabouts is missing. It is rumored that the prototype turret was used as a coastal gun emplacement in occupied Netherlands near Rotterdam, but it now appears this turret was actually built to the specifications of the Gneisenau class and was unconnected to the Ratte Program.
Further armament was to consist of a 128 mm anti-tank gun of the type used in the Jagdtiger or Maus, two 15 mm Mauser MG 151/15 autocannons, and eight 20 mm Flak 38 anti-aircraft guns, probably with at least four of them as a quad mount. The 128 mm anti-tank gun's precise location on the Ratte is a point of contention among historians, most believing that it would have been mounted within the primary turret, with some others thinking a smaller secondary turret at the rear of the Ratte more logical.
Weight 1000 tonnes
Length 35.00 m
Width 14.00 m
Height 11.00 m
Armor 150 - 360 mm
The same company also proposed one that was 1500 tonnes. Probably would have just sunk into the floor though