Since 1915, Ametek Lamb has been manufacturing electric motors, electronic & electromechanical devices and a wide assortment of electromechanical components for applications in manufacturing, transportation & chemical industries. It is headquartered in Kent, USA and has manufacturing locations across the globe. Read More



Motors Filter

Definite Purpose AC MotorsView all

  • Universal AC/DC Motors

    Includes various 5/16-inch shaft diameter universal AC / DC motors in different lengths. Used in applications that require high horsepower output

  • Vacuum Motors

    Includes a variety of UL-recognised and CSA-certified industrial vacuum motors, such as peripheral, tangential and thru-flow discharge Ametek Lamb vacuum motors, in different diameters

DC MotorsView all

  • DC Wound Field Motors

    Includes a variety of totally enclosed, fan-cooled and field-wound DC motors used in hydraulic tailgates and snow plow lifts

About Ametek Lamb

Ametek Lamb's catalogue includes brushless blowers, brushed vacuum motors, transportation pumps and regenerative blowers. Ametek Lamb thru-flow discharge vacuum motors are suitable for canister / utility vacuums and central vacuum systems to move clean & dry air. These intermittent-duty motors use vacuumed air to cool themselves by passing it over their armature. They feature ball bearings, an open drip-proof enclosure, and Class A insulation, ensuring long-term operations.

Things To Consider

Cross-Reference Alternatives

Ametek Lamb motors' model numbers generally cross individual reference to the equivalent Prestolite Motors, Ingersoll-Rand, Marathon Motors & Dayton MPNs (manufacturer's part numbers). So, if you're looking for motors & accessories that are either out of stock or obsolete, chances are Raptor Supplies has the alternate product available.


These Ametek Lamb motors and accessories range from small to medium in size. Some models may require compact packaging as they come in a pack of various pieces. These products are suitable for both courier shipment and air freight.

Major Trade Names

Brushed Bypass Motors

Ametek Lamb brushed bypass motors feature a separate fan to direct the cooling air over the armature and field. Their working air remains independent from the cooling air. Bypass motors are available ...Read more 

Rotron Regenerative Blowers

Ametek's Rotron regenerative blowers work on the regenerative principle to increase the pressure of air supply. Their impeller blades accelerate the air in an outward & forward direction, where it is ...Read more 

Prestolite Drive Motors

Ametek Prestolite drive motors offer an extensive line of DC Motors like PMDC motors, universal & high torque motors for floor care vacuums, hydraulic pumps, winches, snowploughs & mixers. They are al...Read more 

Ametek Lamb Competitive Advantages

Wet Bearing Protection

Wet bearing protection in selected vacuum motors prevents grease washout of working end bearings in wet applications. Ametek's enhanced bearing seal increases the life of motors by moving the bearing away from the moisture-prone fan system.

Frequently Asked Questions

Where are Ametek Lamb products manufactured?

Ametek Lamb has manufacturing plants in Mexico, USA, Mexico, Italy, Brazil, Czech Republic, Serbia & China.

What is the difference between brushed & brushless motors?

  • Brushed motors generally have higher air performance compared to brushless motors and work as an open-loop system only, whereas the brushless variants can operate as both open & closed-loop systems.
  • Brushed motors work with a single voltage, while the brushless motors can operate across a voltage range.
  • Users can control the airflow in brushless motors. The brushed motors provide constant airflow.
  • Brushless motors have enhanced operating life. They feature fewer or no contacting parts.

How to change brushes in Ametek industrial brushed vacuum motors?

  • Remove the power supply from the motor.
  • Bend the metal safety clips to remove them from the plastic cap using a flat screwdriver.
  • Pry up or loosen the plastic cap to expose the brush mechanism.
  • Locate the brush clip & slide it out using a screwdriver.
  • Remove the two screws (holding the brush clamp in place) to lift up the clamp & remove the brush.
  • After replacing the old brush with a new one, reinstall the brush clamp & brush clip.
  • Press back the plastic cap into place & bend back the metal safety clip to hold the cap.
  • Brushes can be replaced at most two or three times as the commutator upon which they ride wears away and renders the motor unserviceable.