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Troybilt 21A-644H063 tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-644H063 tiller, as well as links to manuals and error code tables, if available.

Troybilt 21A-644H063 tiller
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Browse Parts for 21A-644H063 Tillers

  • Flat Washer for Troybilt 21A-644H063 - Part GW-9929

    Belt cover/guard/engine bracket diagram

    Flat Washer

    Part #GW-9929
    This item is not returnable
    In Stock
    $6.60
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  • Shim for Troybilt 21A-644H063 - Part GW-1325C

    Driveshaft/shim diagram

    Shim

    Part #GW-1325C
    In Stock
    $28.57
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  • Washer for Troybilt 21A-644H063 - Part GW-50027

    Belt cover/guard/engine bracket diagram

    Washer

    Part #GW-50027
    This item is not returnable
    In Stock
    $12.46
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  • Mtd Lawn Tractor Screw for Troybilt 21A-644H063 - Part 710-0599

    Mtd Lawn Tractor Screw

    Part #710-0599
    This item is not returnable
    In Stock
    $5.64
    15% OFF Phone Price : $6.64Info Icon
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  • Ace Tiller Idler Pulley for Troybilt 21A-644H063 - Part 756-04170

    Belt cover/guard/engine bracket diagram

    Pulley

    Part #GW-9090

    Replaced by #756-04170

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    Manufacturer substitution
    This part replaces GW-9090. Substitute parts can look different from the original.
    In Stock
    $47.84
    11% OFF Phone Price : $53.84Info Icon
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  • Tiller Ring Retainer for Troybilt 21A-644H063 - Part 716-04102

    Driveshaft/shim diagram

    Retaining Ring

    Part #GW-9517

    Replaced by #716-04102

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    Manufacturer substitution
    This part replaces GW-9517. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.09
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  • Lawn & Garden Equipment Hex Flange Screw for Troybilt 21A-644H063 - Part 710-04048

    Transmission assembly diagram

    Troy-bilt Screw

    Part #1186331

    Replaced by #710-04048

    Info Icon
    Manufacturer substitution
    This part replaces 1186331. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.77
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  • Ace Tiller Flat Washer for Troybilt 21A-644H063 - Part 736-04259

    Shim/tiller shaft diagram

    Shim

    Part #GW-1166-3

    Replaced by #736-04259

    Info Icon
    Manufacturer substitution
    This part replaces GW-1166-3. Substitute parts can look different from the original.
    In Stock
    $12.46
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    Qty
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  • Tiller Worm Gear for Troybilt 21A-644H063 - Part 917-04383

    Shim/tiller shaft diagram

    Troy-bilt Gear-worm Ti

    Part #1904279

    Replaced by #917-04383

    Info Icon
    Manufacturer substitution
    This part replaces 1904279. Substitute parts can look different from the original.
    In Stock
    $159.97
    7% OFF Phone Price : $171.97Info Icon
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  • Tiller Tine Input Sprocket Assembly for Troybilt 21A-644H063 - Part 917-04380

    Shim/tiller shaft diagram

    Troy-bilt Worm Wheel 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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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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