Voltage 14,Amp 20,Ring Height 1 11.00,Slip Ring Rear 72.10,Slip Ring Outer Diameter 32.30,Ring Height 2 9.40,Slip Ring End Length 25.80,Ring Distance 2.30,Drive End Length 11.00,Slip Ring Front 60.60,Cooling fan w/o,Outer Diameter 73.00,Height 46.10,Total Length 22.50;83.20