Strong, welded steel frame. Rolling bearings sealing system for dust and liquid prevention. Shredding shaft: with a rotor of 220mm in diameter and 600mm in length. It has 27 shredding knives with 4 working levels. Adjustable double counter-knives, made from wear-resistant steel. Drawer, which feeds material into the washing zone, 500mm motion. Manufactured in accordance to EEB standards, with an integrated torque-restrictive device, which reverses the pusher drawer’s direction if the load of the machine exceeds the appointed value.