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Model # 21A-634B063 Official Troybilt tiller
Here are the diagrams and repair parts for Official Troybilt 21A-634B063 tiller, as well as links to manuals and error code tables, if available.
There are a couple of ways to find the part or diagram you need:
- Click a diagram to see the parts shown on that diagram.
- In the search box below, enter all or part of the part number or the part’s name.
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
SEARCH WITHIN THIS MODEL
ALL PARTS
Showing 10 of 137 parts |
#7
Engine/belt cover diagram
Belt
Part #1916657
Replaced by #954-04090
?
Manufacturer substitution
This part replaces 1916657. Substitute parts can look different from the original.
This item is not returnable
Get free shipping with Automatic Reorder
$25.18 |
19% OFF Phone Price : $31.18
In Stock
#8
Engine/belt cover diagram
Reverse belt
Part #1916658
Replaced by #954-04091
?
Manufacturer substitution
This part replaces 1916658. Substitute parts can look different from the original.
This item is not returnable
Get free shipping with Automatic Reorder
$27.89 |
18% OFF Phone Price : $33.89
In Stock
#42
Engine/belt cover diagram
Ryobi lawn & garden equipment hex nut (replaces 912-3010)
Part #712-3010
$48.86
In Stock
#3
Bumper diagram
Hex nut
Part #712-0267
Replaced by #712-3010
?
Manufacturer substitution
This part replaces 712-0267. Substitute parts can look different from the original.
$48.86
In Stock
#21
Engine/belt cover diagram
Ryobi lawn tractor screw
Part #710-0376
This item is not returnable
$5.11 |
16% OFF Phone Price : $6.11
In Stock
#11
Wheels/tires/tine holder diagram
Toro lawn & garden equipment lock washer (replaces 936-0169)
Part #736-0169
This item is not returnable
$5.26
In Stock
#23
Engine/belt cover diagram
Yard machines lawn & garden equipment hex bolt
Part #710-0520
This item is not returnable
$7.77
In Stock
#30
Engine/belt cover diagram
Ryobi lawn & garden equipment flat washer
Part #736-3090
This item is not returnable
$38.54
In Stock
#2
Tine hood/drag bar diagram
Lawn & garden equipment hex bolt
Part #710-0597
This item is not returnable
$5.80
In Stock
#9
Wheels/tires/tine holder diagram
Clevis pin
Part #GW-9380
Replaced by #711-04126
?
Manufacturer substitution
This part replaces GW-9380. Substitute parts can look different from the original.
This item is not returnable
$7.20
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
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.…