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Model # 21A-644A711 Official Troybilt tiller
Here are the diagrams and repair parts for Official Troybilt 21A-644A711 tiller, as well as links to manuals and error code tables, if available.
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By Part
SELECT DIAGRAM
Browse Parts for
21A-644A711 Tillers
Yard machines lawn & garden equipment lock nut, 5/16-18 (replaces 753-05591)
Part #712-04063
This item is not returnable
$4.52 |Â
18% OFFÂ Phone Price : $5.52
In Stock
#6
Tine hood/transmission diagram
Yard machines lawn & garden equipment nut
Part #712-04064
This item is not returnable
$4.49 |Â
18% OFFÂ Phone Price : $5.49
In Stock
Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)
Part #710-0599
This item is not returnable
$4.91 |Â
17% OFFÂ Phone Price : $5.91
In Stock
#19
Belt cover/belts/engine bracket diagram
Sears lawn tractor screw
Part #710-0627
This item is not returnable
$6.47 |Â
13% OFFÂ Phone Price : $7.47
In Stock
#1
Wheel/tire assembly diagram
Yard machines lawn tractor bolt (replaces 01000668, 1982728, 1983620, 43001, 715326, 910-0253, 9711, b1100046, gw-325284, gw-750a, gw-90012, gw-9711, gw-98068, gw-98-068, gw-b1100046, gw-b70235, gw-m6520008, gw-pt/01395/00, gw-pt/80153/00, gw-t70235, wd-
Part #710-0514
This item is not returnable
$5.33 |Â
16% OFFÂ Phone Price : $6.33
In Stock
#7
Belt cover/belts/engine bracket 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 |Â
19% OFFÂ Phone Price : $31.18
In Stock
#41
Belt cover/belts/engine bracket diagram
Ryobi lawn & garden equipment hex nut (replaces 912-3010)
Part #712-3010
$48.86
In Stock
#1
Belt cover/belts/engine bracket diagram
Sears snowblower flat washer (replaces 936-0159)
Part #736-0159
This item is not returnable
$5.73 |Â
15% OFFÂ Phone Price : $6.73
In Stock
#13
Cable assembly diagram
Lawn & garden equipment cable tie
Part #725-0157
Replaced by #726-0178
?
Manufacturer substitution
This part replaces 725-0157. Substitute parts can look different from the original.
This item is not returnable
$2.16
Back Order
#2
Tine hood/transmission diagram
Lawn & garden equipment hex bolt
Part #710-0597
This item is not returnable
$5.80
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.…
Rear tine tiller or front tine tiller, what to know to help in choosing the correct one for your needs.…