STI Prep/Master 4438LP Floor Grinding Machine Propane


SKU: 434438001 Categories: ,


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

Discover the Incredible Features the 4438LP Floor Grinding Machine Has to Offer


Additional information

Weight 1315 lbs
Dimensions 78 × 44 × 50 in


Spec Sheets

STI 4438LP spec-sheet

STI Brochure PM Grinders