Overview Product Description Marathon 4399 Fan & Blower Motor FEATURES: Ball Bearings, 0.57" Thru-Bolt Extension, Continuous duty, Automatic Thermal Protection, Vertical/Horizontal mounting for proper placement of the fan within airflow. 1/4-1/12 HP 1725/1140 RPM 48 FRAME SPLIT PHASE 115 VOLT 4.2/2.7 AMP 2 SPEED S.F. 1.35 DRIP PROOF CCW/CW ROTATION RESILIENT BASE 1/2" X 1.5" SHAFT C-DIMENSION 10.4" CROSS REFERENCE: 5KH39QN9551X Product Videos Custom Field Product Reviews