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Troybilt
Rear-Tine Tiller

Model # 29903 Official Troybilt tiller

Here are the diagrams and repair parts for Official Troybilt 29903 tiller, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 123 parts  |
Bolt 9711
#1

Bolo tines diagram

Bolt

Part #9711

Replaced by #710-0514

?
Manufacturer substitution
This part replaces 9711. Substitute parts can look different from the original.
This item is not returnable
$5.33 | 
16% OFF Phone Price : $6.33
In Stock
Bolt Hx Here 9758
Bolt hx here

Part #9758

Replaced by #710-0805A

?
Manufacturer substitution
This part replaces 9758. Substitute parts can look different from the original.
This item is not returnable
$7.43
In Stock
Clevis Pin 9380
#9

Bolo tines diagram

Clevis pin

Part #9380

Replaced by #711-04126

?
Manufacturer substitution
This part replaces 9380. Substitute parts can look different from the original.
This item is not returnable
$7.20
In Stock
Shim 1166-2
#3A

Wheel shaft & tiller shaft assemblies diagram

Shim

Part #1166-2

Replaced by #736-04260

?
Manufacturer substitution
This part replaces 1166-2. Substitute parts can look different from the original.
$11.74
In Stock
Guard Carburetor 50195
#1

Bumper & carburetor guard attachment (part no. 11045) diagram

Guard carburetor

Part #50195

Replaced by #1904539001

?
Manufacturer substitution
This part replaces 50195. Substitute parts can look different from the original.
$82.07
In Stock
Spacer 9534
#10

Tine hood, depth regulator, and drag bar diagram

Spacer

Part #9534

Replaced by #750-04556

?
Manufacturer substitution
This part replaces 9534. Substitute parts can look different from the original.
$11.89
In Stock
Gasket 50032
#6

Transmission housing, covers, seals, gaskets, and plug diagram

Gasket

Part #50032

Replaced by #921-04229

?
Manufacturer substitution
This part replaces 50032. Substitute parts can look different from the original.
$10.57 | 
16% OFF Phone Price : $12.57
In Stock
Hex Nut 9807
Hex nut

Part #9807

Replaced by #712-0375

?
Manufacturer substitution
This part replaces 9807. Substitute parts can look different from the original.
This item is not returnable
$6.37
In Stock
Washer 9944
#2

Drive shaft assembly diagram

Washer

Part #9944

Replaced by #736-04193

?
Manufacturer substitution
This part replaces 9944. Substitute parts can look different from the original.
$11.74
In Stock
Spring 55034
#27

Engine, engine brackets, and forward drive mechanism diagram

Spring

Part #55034

Replaced by #732-04085

?
Manufacturer substitution
This part replaces 55034. Substitute parts can look different from the original.
This item is not returnable
$24.54
In Stock

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

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Why do my tiller's tines turn but the wheels don't?

Main causes: clutch cable problems, faulty transmission…

Read more

Why does my tiller turn the soil poorly?

Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper de…

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Why won't my tillers wheels or tines turn?

Main causes: worn or broken drive belts, bad transmission, clutch cable problems…

Read more

Why does my tiller's engine leak oil or gas?

Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, lea…

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Why do my tiller's wheels turn but the tines don't?

Main causes: broken shaft clevis pins, transmission failure…

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Why does my tiller's engine run roughly or misfire?

Main causes: dirty carburetor, engine needs tune up, stale gas…

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Why won't my tiller's engine start?

Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter…

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Most common repair guides to help fix your tillers

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

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How to replace a tiller recoil starter

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 s…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your tillers

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

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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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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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

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

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

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