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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.

Troybilt 21A-643C711 rear-tine tiller
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Browse Parts for 21A-643C711 Tillers

  • Shim - Same As Above, .062" Thick for Troybilt 21A-643C711 - Part 736-04305

    Driveshaft diagram

    Shim

    Part #GW-1224-4

    Replaced by #736-04305

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    Manufacturer substitution
    This part replaces GW-1224-4. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.91
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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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  • Troybilt Tiller Washer for Troybilt 21A-643C711 - Part 736-04258

    Wheel shaft diagram

    Shim

    Part #GW-1166-4

    Replaced by #736-04258

    Info Icon
    Manufacturer substitution
    This part replaces GW-1166-4. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.29
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  • Lawn Tractor Cable Tie for Troybilt 21A-643C711 - Part 726-0178

    Tine hood/handlebar diagram

    Lawn & Garden Equipment Cable Tie

    Part #725-0157

    Replaced by #726-0178

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    Manufacturer substitution
    This part replaces 725-0157. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $25.35
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  • Bumper for Troybilt 21A-643C711 - Part 749-04193-0637

    Bumper/wheel assembly diagram

    Bumper

    Part #749-04193

    Replaced by #749-04193-0637

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    Manufacturer substitution
    This part replaces 749-04193. Substitute parts can look different from the original.
    In Stock
    $77.58
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  • Lawn & Garden Equipment Flat Washer for Troybilt 21A-643C711 - Part 936-3008

    Transmission housing diagram

    Washer

    Part #736-3008

    Replaced by #936-3008

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    Manufacturer substitution
    This part replaces 736-3008. Substitute parts can look different from the original.
    In Stock
    $10.46
    16% OFF Phone Price : $12.46Info Icon
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  • Tiller Reverse Cable for Troybilt 21A-643C711 - Part 946-04058

    Tine hood/handlebar diagram

    Reverse Cable

    Part #746-04058

    Replaced by #946-04058

    Info Icon
    Manufacturer substitution
    This part replaces 746-04058. Substitute parts can look different from the original.
    In Stock
    $66.10
    8% OFF Phone Price : $72.10Info Icon
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  • Mtd Lawn & Garden Equipment Square Key for Troybilt 21A-643C711 - Part 914-0105

    Bumper/wheel assembly diagram

    Square Key

    Part #714-0105

    Replaced by #914-0105

    Info Icon
    Manufacturer substitution
    This part replaces 714-0105. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.74
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  • Tiller Bolo Tine, Left for Troybilt 21A-643C711 - Part 742-04227-0637

    Tine hood/handlebar diagram

    Bolo Tine

    Part #742-04117

    Replaced by #742-04227-0637

    Info Icon
    Manufacturer substitution
    This part replaces 742-04117. Substitute parts can look different from the original.
    In Stock
    $27.45
    18% OFF Phone Price : $33.45Info Icon
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  • Drive Shaft for Troybilt 21A-643C711 - Part 911-04110

    Driveshaft diagram

    Drive Shaft

    Part #711-04110

    Replaced by #911-04110

    Info Icon
    Manufacturer substitution
    This part replaces 711-04110. Substitute parts can look different from the original.
    In Stock
    $269.98
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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…

Read more

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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Fall garden care: to till or not to till? Here’s how to decide

Fall garden care: to till or not to till? Here’s how to decide

Thinking about tilling your garden this fall? Learn the pros and cons of fall tilling, when it makes sense, and how to p…

Read more
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.…

Read more
Tiller common questions

Tiller common questions

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

Read more

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