Not satisfied with the early 1939-1940 Borgward B-series remote-controlled mine-clearing vehicles (SdKfz 300) of lightweight construction as expendable, by 1944 Krupp had built a Reisen (Giant) Minenraumer (mine-clearer) of 130 tons which became known as the Krupp Schweres Minenraumfahrzeug (Heavy Mine-Clearer) or simply the shortened Raumer-S. The Raumer-S was supported by 2.7 meter (almost 9 ft) diameter steel wheels and divided into two steerable sections each driven by a 360 hp @ 3600 rpm Maybach HL-90 engine. The monstrous vehicle pivoted in the middle in order to keep the Raumer-S sections turning a circle a reasonable distance while it also had the ability to reverse back through a minefield without actually having to turn around! The front and rear wheels were spaced differently to create a wider sweep area as well. Krupp designed the massive vehicle with high ground clearance and tremendous ground pressure to detonate the mines without causing any damage to the vehicle or harming the drivers in the two opposite facing armored cabins. Although the prototype lacked defensive armament, two 7.92mm MG-42s were envisioned for the cabins fore and aft as well as a single 7.92mm MG-42 roof-mount for AA defense in the future. At 130 tons, this was the second heaviest German vehicle of World War II after the 188 ton Maus tank. The Raumer-S was captured intact by the U.S. Army at the end of the war. What happened to it remains a mystery; however, there was no other minesweeper in the world like it.

A pic of the beast: http://ww2history.ru/uploads/2008/1288780783_14-340.jpg