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The STM-SCREEN™ Two-Mass, extra large vibrating screens for bulk processing utilize GK’s proven Two-Mass, natural frequency drive design. This load-responsive design is capable of longer material retention times to work the material more. Dual in-board vibratory motors eliminate expensive belts, shafts, and bearings for increased uptime, longer service intervals, and the lowest cost of ownership available in a vibratory screen package.

The STM-SCREEN™ screens are field proven and have four to twelve locations for drive bracket attachment to the screen body to evenly spread the drive force / energy.

Available in STM-S™ Single Deck, STM-D™ Dual Deck as well as cascading deck standard models, the STM-SCREEN™ is modifiable to address your specific requirements.


  • Load responsive.
  • Capable of longer material retention times to work the material longer.
  • High uptime, minimal downtime design with unmatched structural integrity.
  • Available in standard sizes to handle from 580 – 1800 metric tons per hour.
  • Custom sizes, decks, and other options are available.




Case Studies