Baldor-Reliance Super-E® AC Motor, Type 0952M Continuous Duty, General Purpose AC Motors, Compressor Motors, Fan and Blower Motors Application, 20 hp, 208/230/460 VAC, 52/48/24 A, 60 Hz Frequency, 3 ph, 1765 rpm Speed, 1 Speed, TEFC Enclosure, 256T Frame, 1-5/8 in Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 59 ft-lb Torque, F1/Foot Rigid Mounting, 40 to 76 deg C, Insulation Class: Class F, Iron, 23.28 in L x 16.67 in W x 15.6 in H Dimensions