525 W Sophia Street Maumee OH 43537 US

Hall-Toledo, Inc.


Model EDP Heavy-Duty Valve Seat Grinder


The Hall-Toledo Model EDP Eccentric Valve Seat Grinders are designed to get heavy duty diesel, gas, and gasoline engines back in service fast.  

They are used world-wide in the maintenance of locomotive, marine, natural gas, and stationary engines and have been recommended by major engine manufacturers.  With a valve seat range of 1" - 7" (25 mm – 178 mm) the Model EDP “point-contact” grinders enable all operators to quickly grind valve seats of all materials to better than original OEM specifications with a minimum removal of stock.  


  • Operator has complete control over depth and rate of grind
  • Extremely fast set-up
  • “Point-Contact” grinding is has greater accuracy over other grinding methods
  • Valve seat finish and valve/valve seat seal is more accurate
  • Valve seats are finished faster
  • More valve seats are ground per grinding wheel because only one point of the grinding wheel is in contact with the valve seat at one time


  • Valve Seat Range:  1” – 7” (25 mm – 178 mm)
  • Motor:  ½ HP
  • Universal current
  • Voltage:  110 or 220
  • 1 PH, (50/60 Hz)
  • Grinding Wheel RPM:  3800
  • Eccentric Motion RPM:  15
  • Eccentric Motion:  0.094” (2.4 mm)

Hall-Toledo, Inc.