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OF9S-L | 9" Single Disc Concrete Floor Grinder & Polisher | Wood Deck Resurfacer | Single Speed Low

Availability: in stock

SKU: 610860


$4,295.00 >

Here is a different one, OF9S-L is one of the best on the market. The Onfloor OF9S-L is a multi-surface single-disc concrete floor grinder that is capable of edging to within 1/8", leveling high spots, grinding cracks flat, removing coatings, mastic, and more. The OF9S-L even doubles as a deck resurfacing machine when used with Onfloor's deck brush. The handle has several operating positions so you can maneuver into very tight spaces.

Experience even greater versatility with our 9" floor grinder, now equipped with not one, but two 8.5lbs weights and a receiver plate - all included free of charge. Achieve exceptional results with ease, whether you're working on concrete, wood, or any other surface. Upgrade your floor grinding game today!

Tooling packages are available for a multitude of applications including:
Concrete Surface Preparation | Epoxy Removal | Mastic/Glue Removal | Wood Deck Resurfacing.


  • 9” Cutting Path: More production in less time.
  • High-Speed Grinding: Grind edges, flatten high spots, grind cracks flat, and remove coatings.
  • Adjustable Tilt: Increase/decrease pressure on the grinding head
  • Lightweight: Faster operation and easy mobilization-
  • Up To 150 lbs. Grinding Pressure: Increases productivity with more grinding pressure.
  • Patented Flexible Tool Plates: Follows the contour of the floor for faster production and no gouging.
  • Self-Maintenance Platform: Replace belt and bearings in minutes not hours-
  • Wet/Dry Operation: The machine operates dry with a dust collector or wets with water.





1.5 HP/ 110-120V 50/60HZ

Full Load Amperage


Tool Speed

1100 RPM

Cutting Width


Vacuum Port


Minimum CFM



120 lbs

Grinding Pressure

90 lbs

Optional Weight

10 lbs (6 max)

Shipping Dimension

L: 31" x W:23" x H: 31"

Shipping Weight

145 lbs