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Troybilt 21A-634A766 tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-634A766 tiller, as well as links to manuals and error code tables, if available.

Troybilt 21A-634A766 tiller
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Browse Parts for21A-634A766 Tillers

  • Engine Pulley for Troybilt 21A-634A766 - Part 956-04183

    Belt drive and cover diagram

    Tiller Engine Pulley

    Part #1916531

    Replaced by #956-04183

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    Manufacturer substitution
    This part replaces 1916531. Substitute parts can look different from the original.
    In Stock
    $156.84
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  • Lawn Mower Drive Control Cable for Troybilt 21A-634A766 - Part 946-04208

    Cable assembly / handlebars diagram

    Drive Cable

    Part #1918745

    Replaced by #946-04208

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    Manufacturer substitution
    This part replaces 1918745. Substitute parts can look different from the original.
    In Stock
    $46.28
    11% OFF Phone Price : $52.28Info Icon
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  • Tiller Worm Gear for Troybilt 21A-634A766 - Part 917-04381

    Shim and 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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  • Tiller Shaft for Troybilt 21A-634A766 - Part 911-04078

    Shim and wheel shaft diagram

    Tiller Shaft

    Part #711-04078

    Replaced by #911-04078

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    Manufacturer substitution
    This part replaces 711-04078. Substitute parts can look different from the original.
    In Stock
    $220.78
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  • Lawn & Garden Equipment Flat Washer for Troybilt 21A-634A766 - 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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  • Lawn Tractor Mandrel Shaft Spacer for Troybilt 21A-634A766 - Part 941-04299

    Driveshaft assembly diagram

    Drive Bearing Cup

    Part #GW-9400

    Replaced by #941-04299

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    Manufacturer substitution
    This part replaces GW-9400. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $34.43
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  • Troybilt Tiller Washer for Troybilt 21A-634A766 - Part 736-04258

    Shim and wheel shaft diagram

    Shim

    Part #GW-1166-4

    Replaced by #736-04258

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    Manufacturer substitution
    This part replaces GW-1166-4. Substitute parts can look different from the original.
    In Stock
    $30.30
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  • Mtd Tiller Drive Belt for Troybilt 21A-634A766 - Part 954-04090

    Belt drive and cover diagram

    Belt

    Part #1916657

    Replaced by #954-04090

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    Manufacturer substitution
    This part replaces 1916657. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $28.29
    17% OFF Phone Price : $34.29Info Icon
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  • Tiller Bolo Tine, Right for Troybilt 21A-634A766 - Part 742-04226-0637

    Wheel and tire assembly diagram

    Bolo Tine

    Part #GW-50049-01

    Replaced by #742-04226-0637

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    Manufacturer substitution
    This part replaces GW-50049-01. Substitute parts can look different from the original.
    In Stock
    $27.45
    18% OFF Phone Price : $33.45Info Icon
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  • Shield for Troybilt 21A-634A766 - Part 686-04077B-0638

    Tine hood/transmission diagram

    Hood Assy-ti

    Part #686-04041

    Replaced by #686-04077B-0638

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    Manufacturer substitution
    This part replaces 686-04041. Substitute parts can look different from the original.
    In Stock
    $238.25
    5% OFF Phone Price : $250.25Info Icon
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Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

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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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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...

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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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