Boston Gear helical drive speed reduction gearbox.


  • Model: 231D-10
  • Ratio: 10:1
  • Max HP In: 3.02
  • Input RPM: 1750
  • Ouput Arbor Diameter: 1-7/16"
  • Input Shaft Diameter: 15/16"
  • Condition: NOS (new old stock)


Please contact us directly if you need overnight shipping!
International Shipping with DHL Express is available for all items: Please contact for Quote


FREE shipping to the lower 48 States.

Boston OptiMount 231D-10 Gear Reduction Box Speed Reducer Gearbox 10:1 Ratio