Jumboflex is a high capacity worm gear reducer available in 8 different sizes. It can be used as a reducer or step-up gear box.

Coupling the Jumboflex as a primary element with a Durand reducer or Ermaster is possible.

  • Weight from 2.5 tons to 20 tons

  • Hollow shaft with bore from 200mm to 450mm

  • Reduction ratio from 7.5 to 60.




  • Compact solution

  • Low noise level

  • Very robust equipment resulting from the high rigidity of the housing and from the top quality, large-dimensioned parts used.