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Substrate Technology, Inc. Prep/Master 4438LP Floor Grinding Machine (Propane) Working width: 44 in. (112 cm) For projects up to 20,000 SF (2,000m2) Motor: Kawasaki 38HP LP.. Product #: 434438001 based on 0 reviews

Prep/Master 4438LP Floor Grinding Machine (Propane)

Brand: Substrate Technology, Inc.
Weight: 1,315.00lb
Dimensions: 78.00in x 44.00in x 50.00in

Prep/Master® 4438LP Floor Grinding Machine (Propane)

Ideal for Polishing Projects up to 20,000 SF (2,000 M2)

The STI-4438LP Propane floor grinding machine has the same strong design as the model STI-4430, but is powered by a 38HP Kawasaki propane motor. Quite unexpectedly for 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 20,000 SF (2,000 m2). Its variable speed drive easily adapts to different grinding or polishing conditions for concrete, terrazzo, marble, and stone applications. Uses eight tool plates (included).

  • Working width: 44 in. (112 cm)
  • 38HP Kawasaki motor
  • Uses propane fuel
  • 8 tool plates (included)
  • Uses 24 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 # 434438001
Machine Specs - Propane
Coverage 20,000 SF (1,858 m2)
Motor Kawasaki 38HP LP
Motor RPM 2,200 - 3,650 RPM
Dimensions 78L x 44W x 50H in. (198 x 112 x 127 cm)
Working Width 44 in. (112 cm)
Weight 1,315lbs (596kg)
Tools Needed 24
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 725 SF (70 m2) per hour
Thin Set Removal 725 SF (70 m2) per hour
+/-25 Mil Coatings 575 SF (60 m2) per hour
Concrete Polishing 5,025 SF (500 m2) per hour
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