Vertical spindle cup grinder; manually adjustable grinding head; worktable; guarded grinding wheel; three-phase asynchronous motor; motor type MS 102; serial No. 33181; 2.5 HP / 1.84 kW; 50 Hz; 2,820 rpm; intermittent duty; 220 V Δ – 5.8 A; 380 V Y – 3.35 A.