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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.
Owner’s manual
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Browse Parts for 21A-643B711 Tillers
Tine hood/handlebar diagram
Bracket
Part #786-04188Replaced by #786-04188-0638
Manufacturer substitutionThis part replaces 786-04188. Substitute parts can look different from the original.In Stock$25.16
Qty
Bumper/wheel assembly diagram
Hex Screw
Part #710-0117Replaced by #710-0888
Manufacturer substitutionThis part replaces 710-0117. Substitute parts can look different from the original.This item is not returnableIn Stock$6.49QtyTine hood/handlebar diagram
Reverse Stop Arm
Part #786-04092Replaced by #786-04092-4044
Manufacturer substitutionThis part replaces 786-04092. Substitute parts can look different from the original.In Stock$61.14QtyTine hood/handlebar diagram
Bracket Support
Part #786-04098Replaced by #786-04098-0638
Manufacturer substitutionThis part replaces 786-04098. Substitute parts can look different from the original.In Stock$95.84QtyWheel shaft diagram
Tiller Shaft
Part #771-04078
The manufacturer no longer makes this part, and there's no substitute part
Bumper/wheel assembly diagram
Tiller Engine Bracket
Part #786-04068
The manufacturer no longer makes this part, and there's no substitute part
Tine hood/handlebar diagram
Split Spacer
Part #750-04149
The manufacturer no longer makes this part, and there's no substitute part
Transmission housing diagram
Transmission Housing Assembly
Part #619-04031
The manufacturer no longer makes this part, and there's no substitute part
Transmission housing diagram
Transmission Cover
Part #1918377
The manufacturer no longer makes this part, and there's no substitute part
Bumper/wheel assembly diagram
Tiller Engine Bracket
Part #786-04069
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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