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Troybilt
Rear-Tine Tiller

Model # 12077 Official Troybilt tuffy tiller

Here are the diagrams and repair parts for Official Troybilt 12077 tuffy tiller, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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Showing 10 of 125 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.
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This item is not returnable
$4.91
| 
17% OFF Phone Price : $5.91
In Stock
Bolt 9703
#16

Handlebars, forward clutch cable 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

Transm. hsg,seals,gaskets,plugs diagram

Oil seal

Part #9617

Replaced by #921-04030

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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&dragbar 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
V-belt 55037
#26

Engine, forwarding drive mechanism diagram

V-belt

Part #55037

Replaced by #954-04089

?
Manufacturer substitution
This part replaces 55037. Substitute parts can look different from the original.
This item is not returnable

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$25.92
| 
19% OFF Phone Price : $31.92
In Stock
Lock Nut 9811
Lock nut

Part #9811

Replaced by #712-0324

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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
Retaining Ring 9517
#6

Drive shaft assembly diagram

Retaining ring

Part #9517

Replaced by #716-04102

?
Manufacturer substitution
This part replaces 9517. Substitute parts can look different from the original.
$7.63
In Stock
Hex Head Bolt 9655
Hex head bolt

Part #9655

Replaced by #710-0157

?
Manufacturer substitution
This part replaces 9655. Substitute parts can look different from the original.
This item is not returnable
$6.17
In Stock
Washer 9944
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
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

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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A guide to garden tillers

A guide to garden tillers

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

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