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Troybilt
Rear-Tine Tiller

Model # 12070 Official Troybilt rotary tiller

Here are the diagrams and repair parts for Official Troybilt 12070 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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ALL PARTS
Showing 10 of 182 parts  |
Hex Jam Nut 1186233
Hex jam nut

Part #1186233

Replaced by #712-0206

?
Manufacturer substitution
This part replaces 1186233. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Switch Assembly 1908112
#8

Electric start system diagram

Switch assembly

Part #1908112

Replaced by #925-0267B

?
Manufacturer substitution
This part replaces 1908112. Substitute parts can look different from the original.
$36.59 | 
14% OFF Phone Price : $42.59
In Stock
Power Cover 1900869010
#16

Power unit transmission assemblies diagram

Power cover

Part #1900869010

Replaced by #719-04015P

?
Manufacturer substitution
This part replaces 1900869010. Substitute parts can look different from the original.
$218.35 | 
5% OFF Phone Price : $230.35
In Stock
Nut 1186391
#34

Electric start system diagram

Nut

Part #1186391

Replaced by #712-04054

?
Manufacturer substitution
This part replaces 1186391. Substitute parts can look different from the original.
$7.83
In Stock
Washer 50027
#39

Power unit transmission assemblies diagram

Washer

Part #50027

Replaced by #GW-50027

?
Manufacturer substitution
This part replaces 50027. Substitute parts can look different from the original.
This item is not returnable
$11.74
In Stock
Scr Hh Flr 90047
#10

Row marker attachment diagram

Scr hh flr

Part #90047

Replaced by #1186349

?
Manufacturer substitution
This part replaces 90047. Substitute parts can look different from the original.
This item is not returnable
$6.14
In Stock
Screw 1111607
#41

Belt drive system, engines, wheels diagram

Screw

Part #1111607

Replaced by #710-0395

?
Manufacturer substitution
This part replaces 1111607. Substitute parts can look different from the original.
$8.09
In Stock
Throttle Cable 1909286
#16A

Handlebar assembly diagram

Throttle cable

Part #1909286

Replaced by #1909286P

?
Manufacturer substitution
This part replaces 1909286. Substitute parts can look different from the original.
$75.25 | 
7% OFF Phone Price : $81.25
In Stock
Cover 20873
#2

Tiller attachment transmission diagram

Cover

Part #20873

Replaced by #GW-20873

?
Manufacturer substitution
This part replaces 20873. Substitute parts can look different from the original.
$131.80
In Stock
Hex Screw, 5/16-18 X 1-1 1100799
Hex screw, 5/16-18 x 1-1

Part #1100799

Replaced by #710-0805A

?
Manufacturer substitution
This part replaces 1100799. Substitute parts can look different from the original.
This item is not returnable
$7.43
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

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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A guide to garden tillers

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