Marathon® AC Motor, 2-Pole Continuous-Duty Low Voltage, Fire Pump Motors Application, Squirrel Cage Induction Run Motors Special Features, 100 HP, 575 VAC, 91 A, 60 Hz Frequency, 3 ph ph, 3568 RPM Speed, 1 Speed, IP23 DP Enclosure, 365TS Frame, 1-7/8 in Dia x 3-3/4 in L Extension Shaft, Reversible Rotation, 1.15 Service Factor, Deep Groove Ball Bearing, 147 ft-lb Full Load Torque, Rigid Base Mounting, 50 °C, Insulation Class: Class F, Cast Iron, 31.14 in L x 19.57 in H Dimensions