1 hp 3600 RPM, 12.4/6.2 amps, 115/230V 60 hz.NEMA 56Z Frame Shaft 5/8" x 2.25"; Reversible.75" deep tapped hole in shaft with 1/4" - 20 threadsTEAO-Totally Enclosed Air Over; Service Factor = 1.0Automatic Overload ProtectionClass B Insulation; 50C Ambient TempOne Year Manufacture Warranty.Aeration Fan Motor. For air over applications or fans mounted directly on the motor shaft. Specifically designed for use on van axial crop dryers and aeration fans. Designed to be used within the airflow of the driven fanModel C063JBZ5264012B; Dayton 4K059