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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

?
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 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
Oil Seal 9617
#7

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

Oil seal

Part #9617

Replaced by #921-04030

?
Manufacturer substitution
This part replaces 9617. Substitute parts can look different from the original.
This item is not returnable
$15.89 | 
11% OFF Phone Price : $17.89
In Stock
Roll Pin 9308
#8A

Tine hood, depth regulator, and drag bar diagram

Roll pin

Part #9308

Replaced by #715-0108

?
Manufacturer substitution
This part replaces 9308. Substitute parts can look different from the original.
$8.66
In Stock
Bolt 9709
#13

Handlebars, forward clutch cable, and handlebar mounting diagram

Bolt

Part #9709

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

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
Shim 1224-4
#10C

Drive shaft assembly diagram

Shim

Part #1224-4

Replaced by #736-04305

?
Manufacturer substitution
This part replaces 1224-4. Substitute parts can look different from the original.
This item is not returnable
$5.57
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
Retainer, Snap Ring 9511
#2

Wheel shaft & tiller shaft assemblies diagram

Retainer, snap ring

Part #9511

Replaced by #716-04104

?
Manufacturer substitution
This part replaces 9511. Substitute parts can look different from the original.
This item is not returnable
$6.11
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

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Choose a symptom to see related tiller repairs.

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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?

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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

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