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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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ALL PARTS
Showing 10 of 123 parts  |
Screw 9552
Screw

Part #9552

Replaced by #710-0599

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Manufacturer substitution
This part replaces 9552. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.91 | 
17% OFF Phone Price : $5.91
In Stock
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 9703
#16

Handlebars, forward clutch cable, and handlebar mounting diagram

Bolt

Part #9703

Replaced by #710-3008

?
Manufacturer substitution
This part replaces 9703. Substitute parts can look different from the original.
This item is not returnable
$4.62 | 
18% OFF Phone Price : $5.62
In Stock
Lock Nut 9811
Lock nut

Part #9811

Replaced by #712-0324

?
Manufacturer substitution
This part replaces 9811. Substitute parts can look different from the original.
This item is not returnable
$4.72 | 
17% OFF Phone Price : $5.72
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
Tine 1901
#6A

Bolo tines diagram

Tine

Part #1901

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

Shim 1166-3
#3B

Wheel shaft & tiller shaft assemblies diagram

Shim

Part #1166-3

Replaced by #736-04259

?
Manufacturer substitution
This part replaces 1166-3. Substitute parts can look different from the original.
$11.74
In Stock
Shim 1166-4
#3C

Wheel shaft & tiller shaft assemblies diagram

Shim

Part #1166-4

Replaced by #736-04258

?
Manufacturer substitution
This part replaces 1166-4. Substitute parts can look different from the original.
This item is not returnable
$6.86
In Stock
Nut 9848
#7

Tine hood, depth regulator, and drag bar diagram

Nut

Part #9848

Replaced by #712-04054

?
Manufacturer substitution
This part replaces 9848. Substitute parts can look different from the original.
$7.83
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…

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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…

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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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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

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