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The variable-speed gearbox is made up of a worm gearbox, variator, this worm gear assembly makes gear reducer output speed change as a requirement. SDT Transmission variable speed gearbox for electric motor, this is a popular variable speed gearbox design. mechanical variable speed gearbox has standard size UDL series, and more compact size TXT series. 

Our mechanical variable speed gearbox products ranges : 

  • Mechanical Stepless Variator
  • Variable speed gearbox
  • Other mechanical variable speed gearboxes