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The SDT Transmission variable-speed gearbox is made up of a worm gearbox, mechanical stepless variator, this worm gear assembly variator makes gear motor output speed change as customer’s 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(also named MB series), and a more compact size TXT series. 

Our mechanical variable speed gearbox products range: 

  • Mechanical Stepless Variator: UD(L) ,MB, TXT series
  • Variable speed gearbox 
  • Other mechanical variable speed gearboxes