48" Diameter Magnetic Chuck WITH 60"Extension Ring 30" Segmented Grinding Wheel Hub with 7 Segments Coolant to Inside and Outside Wheel Hub 24" Max Under Wheel Pendent Control Wheel Amp Meter Neutrol Chuck Control Neutrol Chuck Control w/ Electro-Matic Rectifier (4) Ranges of Chuck Speeds, 4.5, 7, 7.2, 17.8 RPM Wheel Head Feed rates 0- 80 Thousands per Minute 435 RPM Wheel Speed 60 HP, 3 Phase, 60 Cycle, 440 Volt 435RPM Coolant in Base w/ Pump Overall Size 84" W x 160" L x 139" H Electrical Cabinet 22" x 36" x 83" with A&B electrics Approx. Weight 45,000 lbs Purchased out of Bearing Co. had put New Bearing 2014