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Troybilt 21A-643B711 rear-tine tiller Parts
Here are the diagrams and repair parts for Troybilt 21A-643B711 rear-tine tiller, as well as links to manuals and error code tables, if available.
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By Part
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Browse Parts for 21A-643B711 Tillers
Bumper/wheel assembly diagram
Tire (for Models 643b, 645a)
Part #734-04163
The manufacturer no longer makes this part, and there's no substitute part
Bumper/wheel assembly diagram
Pulley
Part #656-04023
The manufacturer no longer makes this part, and there's no substitute part
Tine hood/handlebar diagram
Upper Handle
Part #749-04106
The manufacturer no longer makes this part, and there's no substitute part
Wheel shaft diagram
Wheel Shaft (for Model 643c)
Part #711-04512
The manufacturer no longer makes this part, and there's no substitute part
Tine hood/handlebar diagram
Tiller Screw
Part #710-04163
The manufacturer no longer makes this part, and there's no substitute part
Tine hood/handlebar diagram
Hood Bracket
Part #786-04290
The manufacturer no longer makes this part, and there's no substitute part
Bumper/wheel assembly diagram
Complete Wheel
Part #734-04188
The manufacturer no longer makes this part, and there's no substitute part
Bumper/wheel assembly diagram
Reverse Return Spring (for Models 643b, 645a)
Part #732-04289
The manufacturer no longer makes this part, and there's no substitute part
Bumper/wheel assembly diagram
Rim Assembly (for Models 643b, 645a)
Part #634-04218
The manufacturer no longer makes this part, and there's no substitute part
Wheel shaft diagram
Use911-04486
Part #711-04486
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your tillers
Choose a symptom to see related tiller repairs.
Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, lea…
Main causes: dirty carburetor, engine needs tune up, stale gas…
Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter…
Main causes: broken shaft clevis pins, transmission failure…
Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper de…
Main causes: clutch cable problems, faulty transmission…
Main causes: worn or broken drive belts, bad transmission, clutch cable problems…
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 time and Difficulty
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.
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.…
These frequently asked questions might help you figure out what's wrong with your garden tiller.…
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