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See part 10 in the diagram
( Grid squares measure 1x1 inch )

Worm Following Gear

★★★★★
★★★★★
2 Reviews
$17.49
Fix Number: FIX12070620
Manufacturer #: W11086780
Manufactured by: Whirlpool

Product Description

This is a genuine OEM worm following gear for your stand-up mixer. The gear is made of metal and is attached to the planetary shaft. This is an important part of the appliance as it helps to drive the beaters for your mixer. Over time, the teeth on the gear can become stripped or worn down, and it will need to be replaced. Signs that you may need to replace this gear are if the mixer is not spinning, or if it making excessive noise. Please be sure to unplug the mixer before beginning this repair.

Questions and Answers

Questions and Answers

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2 questions answered by our experts.
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Duane
March 7, 2022
Model # KG25H7XOB 5QT S/N WR4452263. Is this the correct Worm Following Gear for our mixer? Manufacturer #W11086780. Thanks for your help.
For model number KG25H7X0B
Hello Duane, Thank you for contacting us. We have researched the model you have provided and have confirmed the part you are looking for is Fix Number: FIX12070620. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!

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William
October 6, 2021
Is my model the same as the model that has a 5 at the end? For example "kp26m1xwh5" vs "kp26m1xwh" without the 5. Will parts be compatible between the two?
For model number KP26M1XWH
Hello William, Thank you for the question. The Internal part for KP26M1XWH5 and KP26M1XWH5 are the same. The 5 indicates Color of the appliance. We hope this helps!

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Installation Instructions Provided by Fix customers like you.

Average Repair Rating: 3.0 / 5.0, 12 reviews.
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  • Customer:
    carol from whittaker, MI
  • Parts Used:
    W11086780, WP9703680, W11192795
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
mixer skipped while turning
followed instructional video the hardest part was removing the snap ring! once that was removed it was a piece of cake!
7 of 7 people found this instruction helpful.
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The mixer would not spin.
Took the cover off of the transmission and replaced gears, pin and gasket and added new grease.
6 of 6 people found this instruction helpful.
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  • Customer:
    michael from Bridgewater, NJ
  • Parts Used:
    W11086780
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
The worm gear was skipping
I removed the 5 screws holding the cover. They were square but you can use a Phillips driver. Then I removed the cover on the transmission. All the gears have a place fairly easy to see where they all fit together. The only thing is there is a clip on the main shaft it will need to removed. If you don't have a clip spreader you'll need 2 screw drivers (flat ones). One to spread open the clip and one to slide up the clip take your time. There are two gears on top of each other. Remove the top gear set aside the bottom gear has a pin through the main shaft just pop it out set aside. Here is where the hammer comes in to play. Tap the shaft lightly while holding the mixer connector underneath. The gear is on the shaft snug. Now you'll have to remove the all the grease and replace with new grease. Install the new gear in reverse order. Then add the new grease. Take you time and clean the gasket on the transmission cover before you install it. Test before you install the cover. If all sounds good install the rest of the parts.
2 of 2 people found this instruction helpful.
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Mixer not turning
The reason I put very difficult and more than 2 hours is not because it is really difficult but because I still have not received the retaining pin from fix.com. We received the other three parts, but not the retaining pin, so I still can't complete the project. I emailed them to let them know 26 days ago, and they still have not responded. You are not able to speak to anyone on the phone either. Extremely poor customer service!
1 person found this instruction helpful.
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  • Customer:
    lisa from SAINT HELENA, CA
  • Parts Used:
    W11086780, WP9703680
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
Stripped work gear- mixer wouldn't spin
Unplugged kitchen aide pro mixer
Used a square bit on drill to unscrew trim piece from mixer
Used same bit to remove top of mixer and again to expose the gears.
Used special pliers to remove the retaining ring.
Pulled off the top gear
Slid out a pin
Pulled off the worm gear
Replaced worm gear replaced pin replaced top gear used pliers to replace retaining ring.
Reassembled the mixer with drill.
1 person found this instruction helpful.
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Noise and no motion
1 Open case and get to the gear assembly 2 remove snap ring and remove gear
3 remove pin and remove and replace gear
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  • Customer:
    Dan from Forest Grove, OR
  • Parts Used:
    WP9709231, W11086780, W11200218
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
Damaged gears
Watched the video several times. Once I received the parts, I watched it again to see specific sections. Repair was easy when I knew what to expect. It would help if the video could be in sections, so you would not have to watch the entire beginning in order to see later instructions. Also found the parts manual on line and ordering of parts was very easy and processed correctly by your company. Really appreciated your help.
1 person found this instruction helpful.
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  • Customer:
    Jim from Hudson Falls, NY
  • Parts Used:
    W11086780
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
I stripped the worm gear by overloading the mixer with bread dough.
It is very easy to get the mixer housing apart by removing the screws. the gears and drive are easy to get at and see after the grease is removed. The drive assembly is held on the shaft with a snap ring that that must have a good set of snap ring pliers to remove. After removing the stripped gear it is just a mater of replacing it with the new one. It is easy to see what has to be done. I would like to thank this site for for the super fast service. Jim
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  • Customer:
    Ken from Fallbrook, CA
  • Parts Used:
    W11086780
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Pliers, Screw drivers
Stripped gear
Steps: disassemble, clean, reassemble with new gear and new grease.

I used paint thinner to clean up and wash the old grease, kerosene would also be acceptable. In my case I used a solvent tank with a pump, since I have one, but it would have worked with solvent in a pan and a solvent brush. Then I let the cleaned parts dry overnight, though compressed air may have worked just as well.
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  • Customer:
    William from Aledo, TX
  • Parts Used:
    W11086780
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Screw drivers
I could not find in instructions what grease should be used.
Followed instructions
0 of 1 people found this instruction helpful.
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Customer Reviews
Average Rating: (2 Reviews)
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Model Compatibility
This part works with the following models:
Fix Number: FIX12070620
Manufacturer Part Number: W11086780
Brand
Model Number
Description
KitchenAid
4KB25G1XBU3
Mixer
KitchenAid
4KB25G1XBU5
Mixer
KitchenAid
4KB25G1XBY5
Mixer
KitchenAid
4KB25G1XCO5
Mixer
KitchenAid
4KB25G1XER3
Mixer
KitchenAid
4KB25G1XER5
Mixer
KitchenAid
4KB25G1XGA5
Mixer
KitchenAid
4KB25G1XMC5
Mixer
KitchenAid
4KB25G1XMY5
Mixer
KitchenAid
4KB25G1XOB3
Mixer
KitchenAid
4KB25G1XOB5
Mixer
KitchenAid
4KB25G1XTG3
Mixer
KitchenAid
4KB25G1XTG5
Mixer
KitchenAid
4KB25G1XWW3
Mixer
KitchenAid
4KB25G1XWW5
Mixer
KitchenAid
4KD2661XMC3
Mixer
KitchenAid
4KG25G0XMC4
Mixer
KitchenAid
4KG25G0XWH4
Mixer
KitchenAid
4KG25G7XER4
Mixer
KitchenAid
4KG25G7XOB4
Mixer
KitchenAid
4KG25G7XSL4
Mixer
KitchenAid
4KG25G7XWH4
Mixer
KitchenAid
4KG25H3XER5
Mixer
KitchenAid
4KG25H3XOB5
Mixer
KitchenAid
4KG25H3XSL5
Mixer
KitchenAid
4KG25H3XWH5
Mixer
KitchenAid
4KN15C1XER1
Mixer
KitchenAid
4KN15C1XMC1
Mixer
KitchenAid
4KN15C1XOB1
Mixer
KitchenAid
4KN15C1XWH1
Mixer