Concrete Floor Grinder Operation Walk-Behind Drive Type Planetary Number of Grinding Discs 3 Grinding Disc Diameter 10 63/100 in Grinding Width 31.5 in Planetary Motion Control Clockwise/Counterclockwise Horsepower 15 hp Voltage 440 to 480V Accessory Free Tool Change Yes Anti-Restart Technology Yes Anti-Vibration Technology Yes Cord Length Not Applicable Current 30 A Electrical Protection Dust Sealed Engine Brand Husqvarna