Your advantages at a glance
- For particularly difficult applications
- Very compact and rugged design
- High availability and process stability
- Low noise and dust emissions

Complete enquiry
RS50-100 Industrial shredder

Heavy-duty shredder for difficult recycling applications

The proven four-shaft industrial shredder has been tried and tested under difficult conditions and is characterized by very high reliability, ability to handle non-shreddable materials as well as a very broad application range. Its sturdy design and rugged and reliable cutting system is particularly well suited for continuous multi-shift operations.

The medium-sized quad shaft RS series shines especially in difficult applications. Thanks to the modular design and the various cutter configurations these four-shaft industrial shredders are particularly flexible in their use. Moreover, it is possible to  customize speed, torque, cutting chamber size and perforated screens  to your requirements. This ensures highest flexibility with maximum reliability.

In contrast to high-speed systems, these shredders are particularly resistant to foreign objects. If a cutting disc detects a foreign object, the machine stops immediately. This prevents damage to the cutting unit. In addition, the drive permits frequent reversing, which is particularly beneficial when shredding problematic materials. The integrated perforated screen quick replacement system that comes standard permits the quick and efficient replacement of the perforated screen.

The machines can also be equipped with additional separating and conveyor technology, customized hoppers and substructures and control expansions. We offer comprehensive solutions from one source!


Medium-sized RS series applications:

  • Aluminium profiles
  • Dashboards
  • Automobile interior lining
  • Batteries
  • Organic waste
  • Tin and steel cans
  • Electronic scrap
  • Electric stoves
  • Spring mattresses
  • Plastic films
  • Dishwashers
  • Gypsum boards
  • Paper
  • Waste
  • Rubber waste
  • Cardboard boxes
  • Cardboard tubes
  • Plastic containers
  • Plastic drums
  • Refrigerators
  • Metals
  • Medical waste
  • Metal shavings
  • Metal drums
  • Garbage bins
  • Oil filters
  • Paper reject
  • Plastic bottles
  • Production waste
  • Car tires
  • Radioactive waste
  • Shredder light fraction
  • Hazardous waste
  • Punching scrap
  • Car bumpers
  • Carpeting
  • Aseptic packaging
  • Textiles
  • Packing material
  • Workshop waste


Do you need a little more power? 
Click here for the RS150

A little less power?
Click here the RS30/40

More details available below in the downloads section!

Four-shaft shredding system

As the innovator of the four-shaft cutting system (patent no. 319535), we have improved these products continuously and adapted them for new markets and applications. Due to their rugged design and high productivity, four-shaft shredders are often used for difficult to shred materials. Thanks to the unique design, both initial and final shredding occurs in just one step.

Test center

TIP: Test your material at the UNTHA test center Do you want to be 100% certain that you get the best UNTHA shredder for your application and material? No problem! We will be happy to help you test your material in our facilities under real-life conditions!

Test center


We are also happy to provide infeed and discharge conveyor belts. These will be optimally adapted to the on-site conditions and the desired throughput performance of the shredder.

A ram device supports the shredder when processing bulky material. At the same time the ram device increases the machine's throughput.

The central lubrication system supplies all important bearing points with sufficient lubricant which results in a considerable reduction of maintenance effort for the operating personnel and of machine downtimes.

We are able to adapt the hopper exactly to your needs depending on the infeed. Regardless of whether you need a particularly wide hopper for a wheel bearing infeed or a hopper with flip-top lid. We offer customized solutions.