Pre-Shredder (VSR)

The machine for tough tasks

Layout of the Pre-Shredder (VSR)
Layout of the Pre-Shredder (VSR)

The pre-shredder is a low-speed, high-torque twin-shaft shredder. Because of its special blade geometry, it is suited for the tearing pre-shredding of especially large or voluminous materials (such as construction, household, industrial, commercial and bulky waste).

Both rotor shafts take in the input material. The shafts rotate alternately inward and outward. Each shaft is equipped with several tearing tools. The rotating tearing shaft assembly is surrounded by a stationary tearing table. Scrapers on the table hinder the material from coiling up or adhering to the machine. The shredding takes place between the rotating tearing tools and the stationary table. In the process, the machine automatically carries out a sequence involving different directions of rotation. As soon as the input material has reached the desired size, it exits the machine through the bottom.

Operating principle of the Pre-Shredder (VSR)
Operating principle of the Pre-Shredder (VSR)
Simple exchange of rotor shafts
Simple exchange of rotor shafts

The machine housing consists of an extremely robust steel construction. The design of the bearing shell bridge is particular to BHS and allows the rotor shafts to be exchanged quickly. The rotating and stationary tools consist of high-quality materials; simple resurface welding allows them to be refurbished. The drive system has generously dimensioned hydraulic drives. The machine is low-maintenance and optimized for a long service life.

Examples of use

Pre-Shredder VSR 1826 as the centerpiece of a plant for the pre-shredding of domestic and commercial waste
Pre-Shredder VSR 1826 as the centerpiece of a plant for the pre-shredding of domestic and commercial waste
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Brochure "Pre-Shredder (VSR)" (PDF / 1.2 MB)
Brochure "Pre-Shredder (VSR)"

Product brochure for Pre-Shredder (VSR)

Size: 1.2 MB
‘Recycling solutions’ brochure (PDF / 6.0 MB)
‘Recycling solutions’ brochure

This overview brochure introduces the BHS recycling solutions.

Size: 6.0 MB
Technical data sheet "Pre-Shredder (VSR)" (PDF / 1.2 MB)
Technical data sheet "Pre-Shredder (VSR)"

Technical data for "Pre-Shredder (VSR)"

Size: 1.2 MB


  • Reliable granulation results
  • Simple exchange of rotor shafts
  • Refurbishable wear parts
  • High throughput rates
  • Service-proven many times over
  • Very low-maintenance


BHS recycling technical center

Link to tests at BHS technical center
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