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Gear units for crushers


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Crushers reduce the size of the coarse pieces from the mine in one or more processing stages so that they can be ground in mills. Crushers operate with pressure or impact, and they exist in stationary and mobile versions. For the Siemens FLENDER gear units for crushers, AL-TEROUS draws on its modular standard products, which have been tried and tested thousands of times and are readily available.

Technical data

  • Planetary gear unit
  • Nominal output torque from 22,000 to 2,600,000 Nm (higher torque on request)
  • Ratios from 25 to 125


  • Compact, space-saving design
  • Everything from a single source: Gear units, torque reaction arm system, couplings, and oil supply systems can be supplied ready for installation
    Worldwide service


  • Cement industry
  • Mining