Lamb Ametek 116859-29 3-stage 5.7″ vacuum motor, 240 volt.


Warranty: 30 Days

Mfr. Model #: 116859-29 SKU: MTR791 Categories: ,
Shipping Features


New Lamb Ametek 116859-29 motor is 3-stage, 5.7 inch, 240 volt.

This motor has a 1 1/2 inch tube on the base of the motor.

It is suggested you replace the motor gasket part #MTR512.

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 #MTR553.

Uses motor brushes part MTR508.

Motor Specs

  • Motor Type: Bypass
  • Discharge: Tangential
  • Bearings: Double Ball Bearing
  • Sealed Vacuum: 116.7 inches
  • Maximum Air Watts: 348
  • Maximum Air Flow: 94 CFM
  • Maximum Amps: 5.3
  • Motor Speed: 23,930 RPM

Installation note:

Over-tightening of the mounting screws may cause the fan casing to push into the fan blades and may damage the fans.  This situation is not covered under the Motor Warranty Program and will not be approved if submitted.  If motor is turned in under warranty and is found to have the type of damage explained above, the warranty will be denied.  When mounting your new motor, in most cases a touch BEYOND “finger tight” is all that is required to mount and seat the motor sufficiently.


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