20" Swing Machine

Dual Electric Motor: 175 & 300 RPM

STI 20-inch Swing Machine

Perfect for the restoration and maintenance of marble, tile, terrazzo, stone, and concrete. Can also be used for standard grinding, polishing, & polishing compound application.

Double-speed swing machines can perform heavy-duty scrubbing and stripping at the standard 175 RPM speed. And, with the flip of the conveniently located handle switch, get professional high-gloss buffing results at 300 RPM. You'll double your productivity potential with these two-speed floor machines.


  • Planetary steel helical-cut gear drive for superior reliability
  • 1.5 HP / 120V
  • Dual Electric Motor: 175 & 300 RPM
  • 4 gal (15 liter) water tank
  • Additional weights available
  • Steel brush covers are strong and durable
  • UL / CUL-Approved for safety assurance
Item #364590020

P/M Diamond Systems for the STI 20-inch Swing Machine


Marble & Terrazzo

arrow Marble & Terrazzo Restoration System
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Contact Information

Substrate Technology, Inc.
1384 Bungalow Rd.
Morris, Illinois 60450

+1.815.941.4600 Fax