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Substrate Technology, Inc. Prep/Master 3038LP Floor Grinding Machine (Propane) Working width: 30 in. (76 cm) For projects up to 10,000 SF (1,000m2) Motor: Kawasaki 38HP LP .. Product #: 433038001 based on 0 reviews

Prep/Master 3038LP Floor Grinding Machine (Propane)

Brand: Substrate Technology, Inc.
Weight: 1,084.00lb
Dimensions: 86.00in x 30.00in x 48.00in

Prep/Master® 3038LP Floor Grinding Machine (Propane)

Ideal for Polishing Projects up to 10,000 SF (1,000 M2)

The STI-3038LP Propane floor grinding machine has the same robust design as the model STI-3030, but is powered by a 38HP Kawasaki propane motor. Despite its weight and size, this grinder is extremely easy to operate due to the smooth operation of the STI rotary gear system.

It features a movable pocket weight system for multiple applications and is recommended for projects up to 10,000 SF (1,000 m2). Its variable speed drive easily adapts to different grinding or polishing conditions for concrete, terrazzo, marble, and stone applications. Uses four tool plates (included).

  • Working width: 30 in. (76cm)
  • 38HP Kawasaki motor
  • Uses propane fuel
  • 4 tool plates (included)
  • Uses 12 tools

See the STI-3030 & 3038LP Prep/Master Machines in Action


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

How to Perform an S-Curve for Grinding and Polishing Perfection

Item Numbers
Item # 433038001
Machine Specs - Propane
Coverage 10,000 SF (1,000 m2)
Motor Kawasaki 38HP LP
Motor RPM 2,200 - 3,650 RPM
Dimensions 86 L x 30 W x 48 H in. (218 x 76 x 122cm)
Working Width 30 in. (76 cm)
Weight 1,084 lbs (492 kg)
Tools Needed 12
Tools RPM 366-500 RPM
Tools Attachment Style EG Attachment System
Vacuum Hose Connection 3 in. (76 mm)
Recommended Vacuum PM3003GP
Production Rates
Mastic Removal 600 SF (60 m2) per hour
Thin Set Removal 600 SF (60 m2) per hour
+/-25 Mil Coatings 425 SF (40 m2) per hour
Concrete Polishing 1,200 SF (120 m2) per hour
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