Magnetic chuck diameter 42", Max. swing inside guards 56", Segmented grinding wheel dia. 22" Cortland, Chuck life(approx.) 5/8", Table speeds 6-28 8-32 RPM, Main motor 50HP Equipped w/mag. chuck & chuck control, (new 2005) Wheel dresser, ext. coolant tank w/Barnes mag. separator Marposs gauging, Trabon auto lubrication system, quick tilt spindle, auto cycle sizing, dynamic breaking, fused disconnect, guards