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Hydro-Gear
Engine & Drivetrain

Model # 325-3000 Official Hydro-Gear transaxle

Here are the diagrams and repair parts for Official Hydro-Gear 325-3000 transaxle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 101 parts  |
Cotter Pin 44101
#129

Transaxle diagram

Cotter pin

Part #44101

This item is not returnable
$2.16
In Stock
Spacer 50278
#94

Transaxle diagram

Spacer

Part #50278

This item is not returnable
$2.16
In Stock
Spring 50277
#93

Transaxle diagram

Spring

Part #50277

This item is not returnable
$5.89
In Stock
Lawn Tractor Transaxle Cylinder Block Assembly 70331
#15

Transaxle diagram

Lawn tractor transaxle cylinder block assembly

Part #70331

$86.76 | 
6% OFF Phone Price : $92.76
In Stock
Plug 9005110-5600
#153

Transaxle diagram

Plug

Part #9005110-5600

This item is not returnable
$7.03
In Stock
Retainer Ring 2003052
#7

Transaxle diagram

Retainer ring

Part #2003052

This item is not returnable
$2.43
In Stock
Thrust Bearing 50551
#11

Transaxle diagram

Thrust bearing

Part #50551

Replaced by #532150771

?
Manufacturer substitution
This part replaces 50551. Substitute parts can look different from the original.
$39.98
In Stock
Ball Bearing 2003043
#8

Transaxle diagram

Ball bearing

Part #2003043

Replaced by #532122745

?
Manufacturer substitution
This part replaces 2003043. Substitute parts can look different from the original.
$101.96
In Stock
Center Section Assembly 70438
#3

Transaxle diagram

Center section assembly

Part #70438

The manufacturer no longer makes this part, and there's no substitute part

Retainer, Motor Bearing 50796
#57

Transaxle diagram

Retainer, motor bearing

Part #50796

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your stand mixers

Choose a symptom to see related stand mixer repairs.

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Why does my stand mixer run on high speed only?

Main causes: phase control board failure, wiring connection problem, faulty electronic control board…

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Why is my stand mixer motor sparking?

Main cause: worn carbon motor brushes…

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Why do the stand mixer attachments rub the bottom of the bowl?

Main cause: attachment clearance setting needs adjustment…

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Why does my stand mixer run on low speed, but rotate slowly?

Main causes: bad wiring connections, faulty speed control plate, electronic control board failure…

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Why does my stand mixer leak oil?

Main causes: bad lubricating grease, mixer sitting idle for weeks at a time, mixer running constantly for more than 30 m…

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Why isn't my stand mixer spinning?

Main causes: bad worm gear, damaged planetary gear assembly…

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Why won't my stand mixer run at all?

Main causes: lack of electrical power, wiring failure, worn carbon motor brushes, bad drive motor, tripped overload swit…

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Most common repair guides to help fix your stand mixers

These step-by-step repair guides will help you safely fix what’s broken on your stand mixer.

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How to replace a stand mixer worm gear

How to replace a stand mixer worm gear

Here’s how to replace the worm gear in your stand mixer if it’s worn or damaged.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a stand mixer phase control board

How to replace a stand mixer phase control board

The phase control board works with the governor and control plate to control motor speed. Replace the phase control boar…

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Repair difficulty
Time required
 30 minutes or less
How to replace stand mixer motor brushes

How to replace stand mixer motor brushes

If the carbon brushes are worn and damaged, replace them using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your stand mixers

Use the advice and tips in these articles and videos to get the most out of your stand mixer.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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5 secrets for getting great stand mixer results

5 secrets for getting great stand mixer results

Find out five tips and techniques to help get the most out of your stand mixer.…

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Easy DIY stand mixer repairs

Easy DIY stand mixer repairs

Learn about some easy stand mixer repairs you can do yourself.…

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