Rear-Tine Tiller

Model # 12071 Official Troybilt rotary tiller

Here are the diagrams and repair parts for Official Troybilt 12071 rotary tiller, as well as links to manuals and error code tables, if available.

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12071 Tillers
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 | 
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In Stock
Bolt 9711
#8

Bolo tine diagram

Bolt

Part #9711

Replaced by #710-0514

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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 9761
#2

Bolo tine diagram

Hex head bolt

Part #9761

Replaced by #710-3096

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Manufacturer substitution
This part replaces 9761. Substitute parts can look different from the original.
This item is not returnable
$9.93 | 
9% OFF Phone Price : $10.93
In Stock
Bolt Hx Here 9758
#5

Bumper attachment diagram

Bolt hx here

Part #9758

Replaced by #710-0805A

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Manufacturer substitution
This part replaces 9758. Substitute parts can look different from the original.
This item is not returnable
In Stock
Worm Gear 1901976
#6

Tiller attachment transmission diagram

Worm gear

Part #1901976

Replaced by #1901976

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Manufacturer substitution
This part replaces 1901976. Substitute parts can look different from the original.
$145.14 | 
8% OFF Phone Price : $157.14
In Stock
Clutch Dog 1909139
#34

Power unit transmission diagram

Clutch dog

Part #1909139

Replaced by #718-04615

?
Manufacturer substitution
This part replaces 1909139. Substitute parts can look different from the original.
In Stock
Gasket 1123
#17

Power unit transmission diagram

Gasket

Part #1123

Replaced by #GW-1123

?
Manufacturer substitution
This part replaces 1123. Substitute parts can look different from the original.
In Stock
Knob 9463
#2

Power unit transmission diagram

Knob

Part #9463

Replaced by #GW-9463

?
Manufacturer substitution
This part replaces 9463. Substitute parts can look different from the original.
In Stock
Cotter Pin 9338
#11

Wheel speed lever, belt drive system, engines, wheels diagram

Cotter pin

Part #9338

Replaced by #714-04048

?
Manufacturer substitution
This part replaces 9338. Substitute parts can look different from the original.
In Stock
Shim 1166-2
#63A

Power unit transmission diagram

Shim

Part #1166-2

Replaced by #736-04260

?
Manufacturer substitution
This part replaces 1166-2. Substitute parts can look different from the original.
In Stock

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

Main causes: clutch cable problems, faulty transmission…

Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper de…

Main causes: worn or broken drive belts, bad transmission, clutch cable problems…

Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, lea…

Main causes: broken shaft clevis pins, transmission failure…

Main causes: dirty carburetor, engine needs tune up, stale gas…

Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter…

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.

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…

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.

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.…

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.…

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.…