Wittenstein – Galaxie® G

Galaxie G® is a backlash-free gearbox with optional coaxial planetary input stage and adapter plate for mounting on standard industrial servo motors.
Galaxie®, the radically new gearbox class, was nominated for the Federal President’s Award for Innovation in Science and Technology.


  • Very high torque density
  • Very high torsional rigidity
  • Completely maintenance free
  • Improved synchronization accuracy
  • Robust and precise output bearing
  • Zero backlash
  • Rapid integration
  • Increased productivity
  • More stable processes
  • New, high performance machine generations
  • Greater competitiveness
  • Shorter project life times
Technical Data
  • 5 sizes available on request: G085, G110, G135, G175, G215
  • Ratio, single-stage Galaxie®: i = 24
  • Max. output speed: 126 rpm
  • Max. acceleration torque: 7512 Nm
  • Max. nominal torque: 3130 Nm
  • Max. torsional rigidity: 2700 Nm/arcmin


  • Adapter plate and bushing perfectly matched to the servo motor
  • Several different ratios available
Galaxie® G
  • Optional gearbox input stage, single or two-stage
Galaxie® GH
  • Optional hypoid input stage, single or two-stage
  • Hollow shaft: 26 to 75 mm (available on request)