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Troybilt
Rear-Tine Tiller

Model # 12058 Official Troybilt rotary tiller

Here are the diagrams and repair parts for Official Troybilt 12058 rotary 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 317 parts  |
Bolt 9711
#8

Bolo tine assemblies 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
Hex Head Bolt 90008
Hex head bolt

Part #90008

Replaced by #710-0376

?
Manufacturer substitution
This part replaces 90008. 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

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
$7.43
In Stock
Bolt 9717
#2

Dozer / snow blade attachment diagram

Bolt

Part #9717

Replaced by #710-0182A

?
Manufacturer substitution
This part replaces 9717. Substitute parts can look different from the original.
$13.60
In Stock
Depth Bar 1117A
#5

Depth regulator & tine hood assemblies diagram

Depth bar

Part #1117A

Replaced by #1900864

?
Manufacturer substitution
This part replaces 1117A. Substitute parts can look different from the original.
$104.88
In Stock
Tine 1270-2A
#7

Bolo tine assemblies diagram

Tine

Part #1270-2A

Replaced by #742-04224-0637

?
Manufacturer substitution
This part replaces 1270-2A. Substitute parts can look different from the original.
$29.22 | 
17% OFF Phone Price : $35.22
In Stock
Oil Seal 9616
#8

Tiller attachment transmission assemblies diagram

Oil seal

Part #9616

Replaced by #GW-9618099

?
Manufacturer substitution
This part replaces 9616. Substitute parts can look different from the original.
This item is not returnable
$27.60 | 
18% OFF Phone Price : $33.60
In Stock
Gasket 1123
#17

Power unit transmission assemblies diagram

Gasket

Part #1123

Replaced by #GW-1123

?
Manufacturer substitution
This part replaces 1123. Substitute parts can look different from the original.
$14.71
In Stock
Spacer 9534
#17

Depth regulator & tine hood assemblies 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
Bushing 2123
#27

Power unit transmission assemblies diagram

Bushing

Part #2123

Replaced by #741-04008

?
Manufacturer substitution
This part replaces 2123. Substitute parts can look different from the original.
$39.02
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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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

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