Fasco Fan Motor D0343 for Penn Ventilator 56343-0 Zephyr Z6S .027 hp, 1550/1350 RPM; 2-Speed .027 hp, 1.4/.6 amps, 115 volts Shaft 3/8" x 5 9/16"; Rotation: CW Shaft End 3.3" Motor Diameter 1 Year Manufacture Warranty