QX internal gear units for variable-speed drives


Due to the increased environmental awareness and the intensified competition of different drive technologies, the energy consumption and the noise development of machines and plants have become decisive criticisms. Energy-efficient hydraulic drives can be realized with variable-speed pumps.


  • Improve productivity
  • Up to 70 % energy saving
  • Up to 20 dB (A) quieter
  • Maximum operational safety
  • Reduced maintenance and operating costs


  • Hydraulic power units
  • Plastics-processing machines
  • Die casting machines
  • Metal forming machine
  • Wind power turbines

Schematic function


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