Kubota
Front-Tine Tiller

Model #AT25 Kubota tiller - at25

Here are the repair parts and diagrams for your Kubota AT25 tiller - at25. 

The diagram(s) below can help you find the right part.  If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.

On this page, you can also find any manuals, installation guides and error code tables associated with this model.

For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

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Showing 10 of 338 parts

Flat Washer, 8-pack

#60

Option parts Diagram

Flat washer, 8-pack

Part #STD551031
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  04013-5008-0
This part replaces 04013-5008-0
This item is not returnable

$3.04

In Stock

Reel

#40

Recoil starter Diagram

Reel

Part #13156-6152-0

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

Pressure Plate

#80

Recoil starter Diagram

Pressure plate

Part #13156-6162-0

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

COVER, TAPPET CASE

#200

Cylinder Diagram

Cover, tappet case

Part #12101-1381-0

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

Tappet

#230

Cylinder Diagram

Tappet

Part #12101-1555-0

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

Piston Ring

#40

Crankshaft Diagram

Piston ring

Part #12101-2105-0

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

Piston

#30

Crankshaft Diagram

Piston

Part #12101-2111-0

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

Shim Crankshaft

#160B

Crankshaft Diagram

Shim crankshaft

Part #12101-2364-0

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

Cushion Tank

#70

Bonnet Diagram

Cushion tank

Part #12101-4152-0

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

Nut

#50

Bonnet Diagram

Nut

Part #12101-4153-0

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

Symptoms common to all tillers

Choose a symptom to see related tiller repairs.

Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, leaky carburetor seal
Main causes: broken shaft clevis pins, transmission failure
Main causes: worn or broken drive belts, bad transmission, clutch cable problems
Main causes: clutch cable problems, faulty transmission
Main causes: dirty carburetor, engine needs tune up, stale gas
Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter
Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper depth-stake setting

Repair guides common to all tillers

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

May 1, 2013
By Lyle Weischwill
How to replace a tiller recoil starter

The recoil starter spins the engine when you pull the starter rope, and the rope retracts when released. If the recoil starter assembly is broken, follow the steps in this repair guide to replace it.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all tillers

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

December 28, 2018

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

By Sears PartsDirect staff

This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.

November 1, 2016

A guide to garden tillers

By Sears PartsDirect staff

Rear tine tiller or front tine tiller, what to know to help in choosing the correct one for your needs.

November 1, 2015

Tiller common questions

By Sears PartsDirect staff

These frequently asked questions might help you figure out what's wrong with your garden tiller.