Face Polishing Length Capacity: 26″x102″ Face Polishing Width Capacity: 36″x72″ Edge Shaping Capacity: 26″x138″ Rotation: 360 degree Main Motor: 5 hp Spindle Speed: 400-3500 rpm Auxiliary Motor: 3 hp Spindle Speed: 1750-9950 rpm Center Water Feed: Yes Main Spindle Vertical Travel: 6″ Aux. Spindle Vertical Travel: 6″ Variable Spindle Speed Control: Yes Variable Spindle Pressure Control: Yes Rise & Fall Selector Switch: Yes Machine Weight: Approx. 2700 lbs Machine Height: 74″ Handle Assembly Height: 43″ Radial Arm Length: 78.5″ Min. Working Radius: 34″ Ma. Working Radius: 78.5″ Power: 240v/60Hz/3ph/w/30 amp