30" Diameter Magnetic Chuck Wheel Amp Meter Chuck Life approx. .375" 18" Diameter 8 pc Segmented Grinding Wheel Neutrol Chuck Control w/ Electro-Matic Rectifier (6) Ranges of Chuck Speeds, 6, 9, 12, 18, 25, 33 RPM Feed 0.004 - 0.076 IPM 730 RPM Wheel Speed 25 HP, 3 Phase, 60 Cycle, 460 Volt Coolant in Base w/ Pump Floor Space 116"L x 66"W x 8-5" Max Height Approx. Weight 11,800 lbs