New Lamb Ametek 117123-00 motor is 3-stage 5.7 inch 240 volt. Replaces the old and less powerful motor #116859. It is suggested you replace the motor gasket part #MO512 . Protect your motors from dust and dirt by using a motor filter. This prolongs the life of your motor and is a must for all motors. See our part #MO553 . Uses motor brushes part #MO502 . Motor Specs Motor Type: Bypass Discharge: Tangential Bearings: Double Ball Bearing Sealed Vacuum: 137.1 inches Maximum Air Watts: 448 Maximum Air Flow: 95.1 CFM Motor Speed: 20 400 RPM