Flash sale concrete floor grinder prepmaster 2807 is in perfect working condition! fully operational and functions as intended.come with warranty
The Prep/Master 2807 (STI-2807) is a 28-inch, 7.5 HP electric concrete floor grinder designed for small to medium-sized commercial and residential projects (up to 2,000 SF). It features variable speed, a pocketed weight system for adjustable pressure, and operates on 230V or 480V, ideal for grinding and polishing concrete, terrazzo, and marble
Specification
- Working Width: 28 inches (71 cm) using two tool plates and 6 total tools
- Motor Power: 7.5 HP (5.5 kW)
- Voltage Options: 220/230V (1 or 3 phase) or 380/480V (3 phase), 50–60 Hz
- Dimensions: 57 inches long x 28 inches wide x 51 inches high
- Machine Weight: 743 lbs (337 kg)
- Dust Port: 3-inch (8 cm) connection













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