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Substrate Technology, Inc. Prep/Master 2418LP Floor Grinding Machine (Propane) Working width: 24 in. (61cm) For projects up to 5,000 SF (500 m2) Motor: Kawasaki 18HP LP U.. Product #: 432418001 based on 0 reviews

Prep/Master 2418LP Floor Grinding Machine (Propane)

Brand: Substrate Technology, Inc.
Weight: 895.00lb
Dimensions: 78.00in x 24.00in x 48.00in

Prep/Master® 2418LP Floor Grinding Machine (Propane)

Ideal for Polishing Projects up to 5,000 SF (500 M2)

The Prep/Master® 2418LP floor grinding machine has an 18HP Kawasaki propane motor that eliminates the need for transporting a generator to the job site. This grinder is ideal for mid-range projects, and combines the production capacity of a larger machine with the maneuverability of a smaller grinder. Its variable speed drive easily adapts to different grinding or polishing conditions for concrete, terrazzo, marble, and stone applications.

The moveable pocket weight system adjusts head pressure depending upon application and the standard water tank makes it easy to switch from dry to wet work. Uses four tool plates (included). Recommended for project sizes up to 5,000 SF (500m2).

  • Working width: 24 in. (61cm)
  • 18HP Kawasaki motor
  • Uses propane fuel
  • 4 tool plates (included)
  • Uses 12 tools

See the STI-2807 Prep/Master Machines in Action


Contractors choose Prep/Master for its Durability. Here is how STI does it!


Leveling the Head of the STI-2807

Item Numbers
Item # 432418001
Machine Specs - Propane
Coverage 5,000 SF (500 m2)
Motor Kawasaki 18HP LP
Motor RPM 2,200 - 3,650 RPM
Dimensions 78 L x 24 W x 48 H in. (198 x 61 x 122 cm)
Working Width 24 in. (61 cm)
Weight 895 lbs (406 kg)
Tools Needed 12
Tools RPM 366-500 RPM
Tools Attachment Style EG Attachment System
Vacuum Hose Connection 3 in. (76 mm)
Recommended Vacuum PM3003AR
Production Rates
Mastic Removal 475 SF (45 m2) per hour
Thin Set Removal 525 SF (50 m2) per hour
+/-25 Mil Coatings 325 SF (30 m2) per hour
Concrete Polishing 925 SF (90 m2) per hour
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