Baldor-Reliance Super-E® AC Motor, Continuous Duty Motor, Severe Duty Motor Special Features, 40 hp, 460 V AC, 46 A, 60 Hz Frequency, 1770 rpm Speed, 1 Speed, IP56, TEFC Enclosure, 324T Frame, 2-1/8 in Shaft, Reversible Rotation, 1.15 Service Factor, Roller Bearing, 118 ft-lb Torque, F1 Foot/W6 Mounting, 40 deg C, Insulation Class: Class F, Cast Iron, 1 Constant Torque Speed, 30.76 in L Dimensions