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Troybilt 21A-634A766 tiller

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.

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Browse Parts for 21A-634A766 Tillers

  • 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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  • Drive Shaft for Troybilt 21A-634A766 - Part 911-04110

    Driveshaft assembly diagram

    Drive Shaft

    Part #711-04110

    Replaced by #911-04110

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    Manufacturer substitution
    This part replaces 711-04110. Substitute parts can look different from the original.
    In Stock
    $269.98
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  • Holder Assembly for Troybilt 21A-634A766 - Part 686-04066-0638

    Wheel and tire assembly diagram

    Tine Holder

    Part #1915075

    Replaced by #686-04066-0638

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    Manufacturer substitution
    This part replaces 1915075. Substitute parts can look different from the original.
    In Stock
    $107.47
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  • Handle Bracket for Troybilt 21A-634A766 - Part 786-04188-0638

    Cable assembly / handlebars diagram

    Bracket

    Part #786-04188

    Replaced by #786-04188-0638

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    Manufacturer substitution
    This part replaces 786-04188. Substitute parts can look different from the original.
    In Stock
    $25.16
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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 Tine Shaft Oil Seal for Troybilt 21A-634A766 - Part 921-04036

    Transmission housing diagram

    Oil Seal

    Part #721-04036

    Replaced by #921-04036

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    Manufacturer substitution
    This part replaces 721-04036. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $25.63
    19% OFF Phone Price : $31.63Info Icon
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  • Tiller Tine Input Sprocket Assembly for Troybilt 21A-634A766 - Part 917-04380

    Shim and wheel shaft diagram

    Worm Gear

    Part #1904278

    Replaced by #917-04380

    Info Icon
    Manufacturer substitution
    This part replaces 1904278. Substitute parts can look different from the original.
    In Stock
    $139.25
    8% OFF Phone Price : $151.25Info 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

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

    Belt drive and cover diagram

    Tiller Engine Pulley

    Part #1916531

    Replaced by #956-04183

    Info Icon
    Manufacturer substitution
    This part replaces 1916531. Substitute parts can look different from the original.
    In Stock
    $156.74
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    Qty
    Plus Item
  • Transmission Cover for Troybilt 21A-634A766 - Part 786-04359

    Transmission housing diagram

    Cover

    Part #1916641

    Replaced by #786-04359

    Info Icon
    Manufacturer substitution
    This part replaces 1916641. Substitute parts can look different from the original.
    In Stock
    $35.62
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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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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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