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Troybilt 21A-643C711 rear-tine tiller

Troybilt 21A-643C711 rear-tine tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-643C711 rear-tine tiller, as well as links to manuals and error code tables, if available.

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Browse Parts for 21A-643C711 Tillers

  • Ace Lawn & Garden Equipment Bolt for Troybilt 21A-643C711 - Part 710-3103

    Bumper/wheel assembly diagram

    Ace Lawn & Garden Equipment Bolt

    Part #710-3103
    This item is not returnable
    In Stock
    $6.74
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  • Ryobi Lawn & Garden Equipment Flat Washer for Troybilt 21A-643C711 - Part 736-3090

    Bumper/wheel assembly diagram

    Ryobi Lawn & Garden Equipment Flat Washer

    Part #736-3090
    This item is not returnable
    In Stock
    $38.54
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  • Mtd Yard Machines Lawn Tractor Flange Nut for Troybilt 21A-643C711 - Part 712-04065

    Tine hood/handlebar diagram

    Mtd Yard Machines Lawn Tractor Flange Nut

    Part #712-04065
    This item is not returnable
    In Stock
    $6.43
    13% OFF Phone Price : $7.43Info Icon
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  • Tiller Worm Gear for Troybilt 21A-643C711 - Part 917-04381

    Wheel shaft diagram

    Worm Gear

    Part #1916542

    Replaced by #917-04381

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    Manufacturer substitution
    This part replaces 1916542. Substitute parts can look different from the original.
    In Stock
    $177.00
    6% OFF Phone Price : $189.00Info Icon
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  • Ace Tiller Bushing for Troybilt 21A-643C711 - Part 941-04300

    Wheel shaft diagram

    Bushing

    Part #GW-1086

    Replaced by #941-04300

    Info Icon
    Manufacturer substitution
    This part replaces GW-1086. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $25.39
    19% OFF Phone Price : $31.39Info Icon
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  • Bracket Mount Cover for Troybilt 21A-643C711 - Part 786-04070-0637

    Bumper/wheel assembly diagram

    Bracket Belt

    Part #786-04070

    Replaced by #786-04070-0637

    Info Icon
    Manufacturer substitution
    This part replaces 786-04070. Substitute parts can look different from the original.
    In Stock
    $62.20
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  • Flat Washer for Troybilt 21A-643C711 - Part 736-04310

    Wheel shaft diagram

    Shim

    Part #GW-1132-2

    Replaced by #736-04310

    Info Icon
    Manufacturer substitution
    This part replaces GW-1132-2. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.63
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  • Yard Machines Plug-pipe 3/ for Troybilt 21A-643C711 - Part 737-04202

    Transmission housing diagram

    Plug-pipe 3/

    Part #GW-9727

    Replaced by #737-04202

    Info Icon
    Manufacturer substitution
    This part replaces GW-9727. Substitute parts can look different from the original.
    In Stock
    $34.32
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  • Holder-tine for Troybilt 21A-643C711 - Part 686-05008-0637

    Tine hood/handlebar diagram

    Tine Holder

    Part #686-04065

    Replaced by #686-05008-0637

    Info Icon
    Manufacturer substitution
    This part replaces 686-04065. Substitute parts can look different from the original.
    In Stock
    $113.76
    Minus Item
    Qty
    Plus Item
  • Bar;dpth for Troybilt 21A-643C711 - Part 786-04292A-0638

    Tine hood/handlebar diagram

    Depth Adjustment Bar

    Part #786-04292

    Replaced by #786-04292A-0638

    Info Icon
    Manufacturer substitution
    This part replaces 786-04292. Substitute parts can look different from the original.
    In Stock
    $95.82
    Minus Item
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Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

View all

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 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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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 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 do my tiller's tines turn but the wheels don't?

Main causes: clutch cable problems, faulty transmission…

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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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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 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.

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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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Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.…

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Tiller common questions

Tiller common questions

These frequently asked questions might help you figure out what's wrong with your garden tiller.…

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