Komptech Stonefex
Stone Separator
Removes 95% of stones while putting more money into your pocket.

This 54 HP stone separation system helps you meet increasing customer demand for high-quality biomass. The patented pressure and suction blower system aggressively removes more rocks and inert objects from once difficult-to-process output.

  • Mobile


Up to ~130 yd³ Per Hour

Waste Streams

Organics and Food Waste

Power Source


What goes in:

Efficiently remove stones and heavy inert objects from compost, mulch, green waste and C&D waste debris

What it does:

The expansion chamber system separates and removes 95% of heavy objects with air and suction without using water

What comes out:

Generate cleaner biomass and alternative fuel material which increases customer demand and higher prices for your end products.

  • Side view of the Komptech Stonefex stone separator discharging stones off the conveyor belt.
  • Overhead view of the Komptech Stonefex stone separator processing organics.
  • The Komptech Stonefex stone separator processing mulch with the Komptech Multistar star screen.
  • Rear view of the Komptech Stonefex stone separator.
  • Operator at the control panel of the Komptech Stonefex stone separator.

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    Core Features


    Go mobile with on-board diesel power and waterless operation


    Full compatibility with most other screening machines and systems


    Gain easy maintenance access through panels to major components


    A wide intake conveyor with adjustable speed enables efficient material feeding

    See the Komptech Stonefex in Action

    / About the Manufacturer

    Komptech is the world’s leading technology developer and equipment supplier for recycling solid and organic waste. Their equipment solutions operate for over 4,000 customers in over 80 countries and regions worldwide.

    / model comparisons

    Which one is right for you?

    Power Source
    Waste Streams
    Max Throughput
    • Stonefex

      JCB Gen Set Tier 4 Final / 55 HP

      C&D, Organics and Food Waste

      Up to ~130 yd³ Per Hour

      View Product
    • Hurrikan S

      JCB Gen Set Tier 4 Final/ 80 HP

      Electrical Power Input / 55 kW

      Organics and Food Waste

      Up to ~100 yd³ Per Hour

      View Product
    • Ballistor 10300

      Electric / 14.7 HP

      C&D, MSW, Single-Stream Recycling, Organics and Food Waste

      Up To ~210 yd³ Per Hour

      View Product
    • Thor Turbo Separator rendering angle 1

      Turbo Separator – Thor

      Electric 176 kW / 125 HP

      Organics and Food Waste

      Up To ~25 Tons Per Hour

      View Product

    Consider Us Working Partners

    Once we understand your unique waste processing challenges and goals we’ll apply our industry experience, product expertise, and full-resource capabilities to deliver the right solutions.

    / Personal site visits and face-to-face consultations

    / In-depth workflow analysis and expert solution guidance

    / Fast OEM parts and technical service support

    / Extensive after sales service and maintenance education

    Talk With A Viably Waste Separation Sales Consultant
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