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How To Find the Right Electric Motor

There are two ways to determine a suitable motor replacement:

Cross Referencing the Motor Manufacturer's part number

The most accurate method to find a replacement motor is to cross-reference the manufacturer's part number or model number from the motor itself. This number is usually found on the nameplate (label) of the motor along with the other nameplate data, such as horsepower, volts, etc.


Note: A motor nameplate sometimes has several identifying numbers, which can be confusing. Keep in mind that some motors are made for other companies who then put their part number on the motor. The key is to locate the motor manufacturer's part number.

If you can't find what you're looking for and would like us to find you an adequate solution, please use the form at the bottom of this page. We'll email you the information you're looking for as soon as possible. Of course, you can always call us at 800-270-4579.


Matching the Motor Specifications

If cross-referencing doesn't work, another option is trying to match the electrical specifications and physical dimensions of the defective motor itself. It's important to provide as much information as possible since the slightest difference in shaft size, mounting, or electrical specs can mean the difference between success and failure in a motor replacement.


Electrical Specs: (these can usually be found on the nameplate)

HP

Volts

Amps

RPMs

Service Factor/SF (if applicable)

Number of Speeds

Rotation (CW, CCW, or Reversible)

Phase (1 or 3), in the case of appliance or industrial applications


Physical Dimensions:

Frame Size (if provided) -or-

Length and Diameter of Motor, and

Length and Diameter of Shaft

Number of Shafts (1 or 2)


Mounting:

What is the mounting style of the motor? (rigid base, belly band, thru-bolts, cradle (resilient) base, etc.)

Vertical or Horizontal. If vertical, shaft up or down?


Enclosure:

Is the motor open drip-proof (ODP), totally enclosed air over (TEAO), totally enclosed fan cooled (TEFC), etc. Basically, how is the motor cooled?

Does it require special protection (i.e. hazardous location).


Additional Specs:

Ball or sleeve bearing?

Motor type (shaded pole, permanent split capacitor (PSC), capacitor start, etc.)

Motor application (to what is it attached?)


If you can't find the motor you are looking for using our search engine and would like us to help you find a suitable motor, please use the form below. You don't have to fill out every field, but please submit as much information as you have. We will email you a response as soon as possible. Of course, you can always call us at 800-270-4579.


* denotes required field

Email Address*
First Name*
Last Name*
Work Phone*
Cell Phone (Optional)
Motor's Manufacturer*
Manufacturer's Motor Number (see picture above for more information)*
Motor's Application (e.g. furnace, vent fan, condenser fan, whole house fan, compressor, etc.)*
HP*
Volts*
Amps*
RPMs*
Service Factor
Number of Speeds
Rotation
Frame Size (e.g. 48, 56Y, 256T, etc.)
Enclosure Type (See section titled "Enclosure" above)*
How does the Motor Mount?*
Length and Diameter of Motor*
Length and Diameter of Shaft (If no shaft, please indicate)*
Number of Shafts
Additional Information
Additional Documentation
Answer 1
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