The multifunctional Doppstadt shredder produces a homogeneous material flow and can deal with contamination easily while ensuring a uniform material. The efficient mechanic power transmission is carried out by a combined V-belt direct drive with spur gear. Furthermore, highest flexibility for a quick and universal application is guaranteed. The Doppstadt shredder uses a single shaft shredder suitable for shredding various types of material large and small. The machine can be installed on four legs or directly on bunker walls.