Warning Cookies are used on this site to provide the best user experience. If you continue, we assume that you agree to receive cookies from this site. OK

Torque Trends Gear Reduction


The ev-TorqueBox is a single speed reduction gearbox for use in electric automotive, marine and industrial applications. The ev-TorqueBox is 95% efficient, and is intended to replace the standard transmission or reduction drive. It multiplies motor torque and decreases output shaft rpm.  

Includes adapter plate and spline adapter for UQM/Danfoss PP100. Includes universal joint yoke with internal splines. Does not include park pawl. 

Reduction ratios and motor adapter options are available on request.

Additional Information:

  • Helical planetary gears
  • Reduction ratio 1.9:1
  • Rated up to 1250 ft-lbs torque
  • Weighs 45 lbs including adapter plate and yoke
  • 11 1/4" x 11 1/4" with adapter plate installed (no yoke)
  • Requires 32 ounces of Synthetic ATF or Synthetic 75W90 Gear Oil 


Included Components

  • ev-TorqueBox Reduction Drive
  • UQM PP-100 adapter plate and spline adapter
  • Output universal joint yoke spline adapter