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Troybilt 21A-630B063 rear-tine tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-630B063 rear-tine tiller, as well as links to manuals and error code tables, if available.

Troybilt 21A-630B063 rear-tine tiller
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Browse Parts for21A-630B063 Tillers

  • Shim - Same As Above, .005" Thick for Troybilt 21A-630B063 - Part 736-04306

    Shim/drive shaft diagram

    Shim

    Part #GW-1224-3

    Replaced by #736-04306

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    Manufacturer substitution
    This part replaces GW-1224-3. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $29.64
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  • Tiller Clevis Pin for Troybilt 21A-630B063 - Part 711-04126

    Bolo-tine/wheels/tires diagram

    Clevis Pin

    Part #GW-9380

    Replaced by #711-04126

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    Manufacturer substitution
    This part replaces GW-9380. Substitute parts can look different from the original.
    In Stock
    $30.57
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  • Wash:belvl for Troybilt 21A-630B063 - Part 736-04193

    Belleville Washer

    Part #GW-9944

    Replaced by #736-04193

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    Manufacturer substitution
    This part replaces GW-9944. Substitute parts can look different from the original.
    In Stock
    $34.32
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  • Tiller Tine Input Sprocket Assembly for Troybilt 21A-630B063 - Part 917-04380

    Wheel shaft/shim 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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  • Ace Tiller Retainer Ring for Troybilt 21A-630B063 - Part 716-04104

    Wheel shaft/shim diagram

    Retainer, Snap Ring

    Part #1909950

    Replaced by #716-04104

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    Manufacturer substitution
    This part replaces 1909950. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $29.64
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  • Lawn Mower Idler Arm for Troybilt 21A-630B063 - Part 786-04275-0637

    Engine/pulley diagram

    Forward Arm

    Part #1918744

    Replaced by #786-04275-0637

    Info Icon
    Manufacturer substitution
    This part replaces 1918744. Substitute parts can look different from the original.
    In Stock
    $45.63
    12% OFF Phone Price : $51.63Info Icon
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  • Shld Asm for Troybilt 21A-630B063 - Part 686-04076A-0638

    Tine hood/drag bar diagram

    Hood Assy-ti

    Part #1904572

    Replaced by #686-04076A-0638

    Info Icon
    Manufacturer substitution
    This part replaces 1904572. Substitute parts can look different from the original.
    In Stock
    $159.22
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  • Flat Washer for Troybilt 21A-630B063 - Part 736-04192

    Engine/pulley diagram

    Shim

    Part #GW-1138-2

    Replaced by #736-04192

    Info Icon
    Manufacturer substitution
    This part replaces GW-1138-2. Substitute parts can look different from the original.
    In Stock
    $34.32
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  • Ace Lawn & Garden Equipment Hex Bolt for Troybilt 21A-630B063 - Part 710-0888

    Engine/pulley diagram

    Hex Screw

    Part #710-0117

    Replaced by #710-0888

    Info Icon
    Manufacturer substitution
    This part replaces 710-0117. Substitute parts can look different from the original.
    In Stock
    $29.68
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  • Tiller Label for Troybilt 21A-630B063 - Part 777I23495

    Handlebar/cable diagram

    Label-bail C

    Part #777I20937

    Replaced by #777I23495

    Info Icon
    Manufacturer substitution
    This part replaces 777I20937. Substitute parts can look different from the original.
    In Stock
    $30.33
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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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