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Troybilt
Front-Tine Tiller

Model # 21A-128T063 Official Troybilt tiller/edger

Here are the diagrams and repair parts for Official Troybilt 21A-128T063 tiller/edger, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 65 parts  |
Scr Car 5/16 GW-90077
#36

Handle/wheels/tines diagram

Scr car 5/16

Part #GW-90077

Replaced by #710-0451

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Manufacturer substitution
This part replaces GW-90077. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.42
| 
16% OFF Phone Price : $6.42
In Stock
Cable Tie 1763682
#13

Handle/wheels/tines diagram

Cable tie

Part #1763682

Replaced by #726-0178

?
Manufacturer substitution
This part replaces 1763682. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Oil Seal 1983632
#3

Transmission case diagram

Oil seal

Part #1983632

Replaced by #921-04044

?
Manufacturer substitution
This part replaces 1983632. Substitute parts can look different from the original.
$13.91
In Stock
Ring Clip GW-9532
#41

Handle/wheels/tines diagram

Ring clip

Part #GW-9532

This item is not returnable
$6.37
In Stock
Dust Cap 1915055
#23

Transmission case diagram

Dust cap

Part #1915055

$20.40
In Stock
Tine Spacer 1983648
#48

Handle/wheels/tines diagram

Tine spacer

Part #1983648

$10.91
In Stock
Input Bearing 1983731
#5

Transmission case diagram

Input bearing

Part #1983731

$20.86
In Stock
Tiller Thrust Washer 1983641
#16

Transmission case diagram

Tiller thrust washer

Part #1983641

This item is not returnable
$5.71
In Stock
Bolo Assembly 1909540
#31

Handle/wheels/tines diagram

Bolo assembly

Part #1909540

$50.93
In Stock
Tiller Hitch Pin 1185590
#42

Handle/wheels/tines diagram

Tiller hitch pin

Part #1185590

$8.43
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

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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