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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 for21A-644H063 Tillers

  • Tiller Forward Clutch Spring for Troybilt 21A-644H063 - Part 732-04185

    Handle/cable assembly diagram

    Troy-bilt Clutch

    Part #1916712

    Replaced by #732-04185

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    Manufacturer substitution
    This part replaces 1916712. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $12.87
    13% OFF Phone Price : $14.87Info Icon
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  • High Pro Key for Troybilt 21A-644H063 - Part 714-04059

    Shim/tiller shaft diagram

    High Pro Key

    Part #GW-9305

    Replaced by #714-04059

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    Manufacturer substitution
    This part replaces GW-9305. Substitute parts can look different from the original.
    In Stock
    $34.32
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  • Mtd Tiller Drive Belt for Troybilt 21A-644H063 - Part 954-04090

    Belt cover/guard/engine bracket diagram

    Troy-bilt 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 Drive Belt for Troybilt 21A-644H063 - Part 954-04091

    Belt cover/guard/engine bracket diagram

    Troy-bilt Drive Belt

    Part #1916658

    Replaced by #954-04091

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    Manufacturer substitution
    This part replaces 1916658. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $25.28
    19% OFF Phone Price : $31.28Info Icon
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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

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    Manufacturer substitution
    This part replaces GW-1166-3. Substitute parts can look different from the original.
    In Stock
    $34.32
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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.
    In Stock
    $30.92
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  • Torsion Spring for Troybilt 21A-644H063 - Part 732-04320

    Transmission assembly diagram

    Torsion Spring

    Part #GW-9384

    Replaced by #732-04320

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    Manufacturer substitution
    This part replaces GW-9384. Substitute parts can look different from the original.
    In Stock
    $30.92
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  • Tiller Tine, Left for Troybilt 21A-644H063 - Part 742-04033-0637

    Single tines/wheels/tires diagram

    Troy-bilt Tine

    Part #1817059

    Replaced by #742-04033-0637

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    Manufacturer substitution
    This part replaces 1817059. Substitute parts can look different from the original.
    In Stock
    $37.02
    14% OFF Phone Price : $43.02Info Icon
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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

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    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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  • Mtd Lawn & Garden Equipment Roll Pin for Troybilt 21A-644H063 - Part 715-04034

    Transmission assembly diagram

    Troy-bilt Roll Pin

    Part #1185469

    Replaced by #715-04034

    Info Icon
    Manufacturer substitution
    This part replaces 1185469. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $34.43
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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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