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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

  • Depth Drive Bar for Troybilt 21A-630B063 - Part 786-04104

    Tine hood/drag bar diagram

    Drag Bar

    Part #GW-55015

    Replaced by #786-04104

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    Manufacturer substitution
    This part replaces GW-55015. Substitute parts can look different from the original.
    In Stock
    $47.64
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  • Ace Idler Arm for Troybilt 21A-630B063 - Part 786-04276

    Engine/pulley diagram

    Reverse Arm

    Part #1918731

    Replaced by #786-04276

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    Manufacturer substitution
    This part replaces 1918731. Substitute parts can look different from the original.
    In Stock
    $48.17
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  • Tiller Bolo Tine, Left for Troybilt 21A-630B063 - Part 742-04227-0637

    Bolo-tine/wheels/tires diagram

    Bolo Tine

    Part #50049-02

    Replaced by #742-04227-0637

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    Manufacturer substitution
    This part replaces 50049-02. Substitute parts can look different from the original.
    In Stock
    $27.45
    18% OFF Phone Price : $33.45Info Icon
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  • Lawn & Garden Equipment Flat Washer for Troybilt 21A-630B063 - Part 736-04304

    Shim/drive shaft diagram

    Washer

    Part #GW-50043

    Replaced by #736-04304

    Info Icon
    Manufacturer substitution
    This part replaces GW-50043. Substitute parts can look different from the original.
    In Stock
    $30.92
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  • Lawn & Garden Equipment Cotter Pin for Troybilt 21A-630B063 - Part 714-04048

    Bolo-tine/wheels/tires diagram

    Clinch Pin

    Part #GW-9338

    Replaced by #714-04048

    Info Icon
    Manufacturer substitution
    This part replaces GW-9338. Substitute parts can look different from the original.
    In Stock
    $36.10
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    Plus Item
  • Ace Tiller Idler Pulley for Troybilt 21A-630B063 - Part 756-04170

    Engine/pulley diagram

    Pulley

    Part #GW-9090

    Replaced by #756-04170

    Info Icon
    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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  • Yard Machines Plug-pipe 3/ for Troybilt 21A-630B063 - Part 737-04202

    Transmission housing diagram

    Plug-pipe 3/

    Part #GW-9727

    Replaced by #737-04202

    Info Icon
    Manufacturer substitution
    This part replaces GW-9727. Substitute parts can look different from the original.
    In Stock
    $34.43
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  • Bar;dpth for Troybilt 21A-630B063 - Part 786-04292A-0638

    Tine hood/drag bar diagram

    Depth Lever

    Part #GW-55018

    Replaced by #786-04292A-0638

    Info Icon
    Manufacturer substitution
    This part replaces GW-55018. Substitute parts can look different from the original.
    In Stock
    $130.58
    Minus Item
    Qty
    Plus Item
  • Lawn Mower Drive Control Cable for Troybilt 21A-630B063 - Part 946-04208

    Handlebar/cable diagram

    Drive Cable

    Part #1918745

    Replaced by #946-04208

    Info Icon
    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
    Minus Item
    Qty
    Plus Item
  • Tiller Worm Shaft Oil Seal for Troybilt 21A-630B063 - Part 921-04030

    Transmission housing diagram

    Oil Seal

    Part #GW-9617

    Replaced by #921-04030

    Info Icon
    Manufacturer substitution
    This part replaces GW-9617. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $18.84
    10% OFF Phone Price : $20.84Info Icon
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    Qty
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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...

Read more
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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