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Troybilt
Rear-Tine Tiller

Model # 900039 Official Troybilt roto tiller horse model

Here are the diagrams and repair parts for Official Troybilt 900039 roto tiller horse model, 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 318 parts  |
Bolt 9751
Bolt

Part #9751

Replaced by #710-0376

?
Manufacturer substitution
This part replaces 9751. Substitute parts can look different from the original.
This item is not returnable
$5.11 | 
16% OFF Phone Price : $6.11
In Stock
Bolt Hx Here 9758
#5

(fig. 11) bumper attachment diagram

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
$6.91
In Stock
Lock Washer 9912
Lock washer

Part #9912

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

Hex Nut 9831
#23

(fig. 5) power unit transmission assemblies diagram

Hex nut

Part #9831

Replaced by #1186393

?
Manufacturer substitution
This part replaces 9831. Substitute parts can look different from the original.
This item is not returnable
$4.86
In Stock
Bracket 2527
#16

(fig. 4) depth regulator & tine hood assemblies diagram

Bracket

Part #2527

Replaced by #GW-2527

?
Manufacturer substitution
This part replaces 2527. Substitute parts can look different from the original.
$178.92
In Stock
Clutch Tine 2122
#25

(fig. 5) power unit transmission assemblies diagram

Clutch tine

Part #2122

Replaced by #786-04002

?
Manufacturer substitution
This part replaces 2122. Substitute parts can look different from the original.
$71.00
In Stock
Retaining Ring 9517
Retaining ring

Part #9517

Replaced by #716-04102

?
Manufacturer substitution
This part replaces 9517. Substitute parts can look different from the original.
This item is not returnable
$7.09
In Stock
Lever 2574
#1

(fig. 2) wheels/tines/pto drive lever & yoke assembly diagram

Lever

Part #2574

Replaced by #647-04006

?
Manufacturer substitution
This part replaces 2574. Substitute parts can look different from the original.
$152.22
In Stock
Clamp 1021-2
#9

(fig. 1) handlebar assembly diagram

Clamp

Part #1021-2

Replaced by #1900855010

?
Manufacturer substitution
This part replaces 1021-2. Substitute parts can look different from the original.
$48.27
In Stock
Link 2164
#10

(fig. 2) wheels/tines/pto drive lever & yoke assembly diagram

Link

Part #2164

Replaced by #1900860001

?
Manufacturer substitution
This part replaces 2164. Substitute parts can look different from the original.
$27.29
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…

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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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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

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

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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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