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1 HP Evaporative Cooler Motor

  • Replacement motor with two speeds for a new or existing cooler
  • Thermal overload feature protects unit from overheating
  • Durable steel construction ensures lasting use
  • See More Details

Frequently Bought Together


Product Overview

The DIAL 1 HP evaporative cooler motor is built for reliable performance in 115-volt evaporative coolers. The durable steel motor can be used in a new cooler or as a replacement motor for an existing unit. When selecting the HP for an evaporative cooler motor, always follow the cooler manufacturer's recommendation.
  • Two speeds (1140 and 1725 RPM) allow you to control the comfort level
  • 115-volt 1 HP motor provides reliable power for cost-efficient cooling
  • Resilient end rings ensure a secure fit into the cooler's mounting bracket
  • Can be automatically controlled with a cooler thermostat or with manual wall switch (both sold separately)
  • Permanently lubricated ball bearings ensure against over-oiling
  • Motor terminals are easily accessible for connecting the motor cord
  • Corrosion-resistant steel construction for durability and long life
  • Automatic thermal overload feature protects against overheating
  • UL-recognized components for safety
  • Includes one-year warranty

Info & Guides

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Product Depth (in.)
Product Height (in.)
Product Width (in.)
Ring diameter (in.)
Shaft diameter (in.)
Shaft Length (in.)


Amperage (amps)
Horsepower (hp)
1 hp
Number of Speed Settings
Part/Accessory Type
Product Weight (lb.)
Voltage (volts)

Warranty / Certifications

Manufacturer Warranty
1 year from date of sale

Questions & Answers


Is this for 230v or 115V

Asked by Rick July 18, 2019

Mine is 115v.

This motor can fit exhausting hood

Asked by Johnny June 10, 2019

It is specified for evaporative coolers, so I would be careful using it for other purposes. But might be OK if you maintain the specified motor current rating.

Will this work on a table saw?

Asked by Don January 18, 2019

Table saws built in the past 5 years, maybe longer, use a motor with a gear-up box, built into a single unit. Some serious engineering would be required to adapt this motor.


Asked by DAWG August 3, 2018

4 inch adjustable pully. 3-1/2" to 3-1/4" fixed with 5/8" bore. Instructions give good directions for setting up motor.

I am looking for a 1 or 2 horse power motor for a cement mixer. My original one blew out not enought power. It's 1/2hp

Asked by Hardworker666 June 30, 2018

We cannot advise you on motors that are not used for their intended purpose, which is evaporative cooling. Using it for uses not intended for this item will void the warranty should it fail.

Is the shaft size .675 in. as stated in the specifications, or .625 in. ? I believe it is the la...

Asked by LOWELL June 16, 2018

Mine specifies 0.625.

what is the amp draw on this motor

Asked by fishguts March 7, 2018

13.0 amps on high speed and 7.0 amps on low speed.

I want to buy evaporative air cooler, serial number 2613864

Asked by tony August 15, 2017

You will need to verify with the user manual or spec sheet to see if it calls for a 1hp motor. If it does, this motor should fit ok.

will this fit TC571 TradeWinds Cooler for a home if I change the cradle out to one that will fit...

Asked by Joe August 7, 2017

If the TC571 allows for our 1hp motor to be used, then yes. You will need to change the base, as the 1hp motor is about 2" inches longer than the 3/4hp motor.

will this fit a TradeWinds Cooler for a home if the cooler is the bigest one you can get on a hom...

Asked by Joe August 7, 2017

Please refer to the cooler specifications. If it calls for a 1hp motor, it will work. Dial 1hp motors fit a motor base or cradle of 9-7/16" inches in length from hub to hub.

1 HP Evaporative Cooler Motor - page 2

Customer Reviews

  • 4
    out of 45 reviews
  • 61% recommend this product
Filter by:
Showing 1-10 of 45 reviews
It started to smoke after one day....
It started to smoke after one day.
by na
Seems to be working great so far and was easy...
Seems to be working great so far and was easy to install. My only heads up is to check what pully wheel size your unit comes with. The unit we installed it in came with a pully wheel and said we could use either 3/4 or 1 hp motor so we went 1hp and didn't think to check the size of the rod that to insure the wheel would fit and we needed a different size. It was an easy and inexpensive part but I wished I would have thought to look so I could have saved the extra trip.
Chinese Junk
I installed this motor on our cooler in October. It ran one month, then sat over the winter. I used it this month for the first time since November and yesterday it died. I basically got less than two months out of a $160 motor. Will try to find something made in the US, tired of the low reliability of the Chinese crap.
by Jim
1 person found this helpful
I installed it on my cement mixer ran for hours...
I installed it on my cement mixer ran for hours no problem
by Skyran
Good easy to install
Good easy to install
by Billy
Makes a loud hum when operating I can hear in...
Makes a loud hum when operating I can hear in the house.
1 person found this helpful
Loud Hum when operating, hear it in house
My old motor never made the hum this motor has. Thinking of mounting the bracket on rubber. Pain
by serenitytek
1 person found this helpful
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
What was on the outside of the box (1HP) was not in the box (1 1/4 HP) and the lower speeds make ...
What was on the outside of the box (1HP) was not in the box (1 1/4 HP) and the lower speeds make a squealing noise so am only able to run it on high speeds
by Swampcooler
Showing 1-10 of 45 reviews