1/2 hp 1725rpm 56 Frame TEFC (Farm Duty) 115/208-230 volts Leeson Electric Motor # 110086 1/2 hp 1725 RPM, 8.8/4.4 amps, 115/208-230 volts 60hz TEFC - Totally Enclosed Fan cooled - Electrically Reversible Manual Overload Protection - Service Factor 1.15 NEMA 56 Frame - Flat Rigid base mount - 5/8" Diameter shaft x 1 7/8" Class F Insulated - Ball Bearings w/low temp grease