STI-4430 Prep Master Grinder

ProCrete Resources is proud to offer the STI-4430 Prep Master Grinder. The STI-4430 Prep Master Grinder is easy to operate and offers versatility despite its size and weight, allowing for ease in transporting and loading. The STI-4430 Prep Master Grinder can be quickly disassembled for passage for up to 3’ doorways or passageways. Its moveable weight system allows for various applications. The STI-4430 Prep Master Grinder offers unlimited speed variations thanks to its variable speed drive.
If you have any questions regarding our products, please call (877) 310-2785 or email us for further information.

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Motor 30 HP – 3 phase | 22kW
Power Source 220/230 VAC 1 or 3 Phase 60 Hz
380/480 VAC 3 Phase 50-60Hz
Power Cord 30 ft./9M (6-4)
Vacuum Hose Connection 3 in./76mm x 25 ft./8m
Weight 1460 lbs. | 662 kg
Tool RPM 250RPM(30Hz) to 750RPM(90Hz)
Number of Tools 24
Tools Attachment Style EG Proprietary Attachment System
Dimensions 80″L x 44″W x 52″H
203cm x 112cm x 132cm

Production Rates:

Mastic Removal 725 SF /67 M2 per hour
Thin Set Removal 725 SF /67 M2 per hour
Mil Coatings Removal 575 SF /53 M2 per hour
Concrete Polishing 5,025 SF /467 M2 per hour
Click on the links below to download the STI Catalog and STI-4430 Prep Master Grinder PDFs.

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