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Troybilt 21A-662G766 rear-tine tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-662G766 rear-tine tiller, as well as links to manuals and error code tables, if available.

Troybilt 21A-662G766 rear-tine tiller
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Browse Parts for 21A-662G766 Tillers

  • Lawn & Garden Equipment Nut for Troybilt 21A-662G766 - Part 912-3057

    Hex Nut

    Part #1186211

    Replaced by #912-3057

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    Manufacturer substitution
    This part replaces 1186211. Substitute parts can look different from the original.
    In Stock
    $12.46
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  • Lawn Mower Idler Arm for Troybilt 21A-662G766 - Part 786-04275-0637

    Tines/engine/wheels diagram

    Forward Arm

    Part #786-04275

    Replaced by #786-04275-0637

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    Manufacturer substitution
    This part replaces 786-04275. Substitute parts can look different from the original.
    In Stock
    $45.63
    12% OFF Phone Price : $51.63Info Icon
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  • Screw for Troybilt 21A-662G766 - Part 710-04460

    Tines/engine/wheels diagram

    Scr-hw M10-2

    Part #1767754

    Replaced by #710-04460

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    Manufacturer substitution
    This part replaces 1767754. Substitute parts can look different from the original.
    In Stock
    $30.95
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  • Gskt-t-cvr for Troybilt 21A-662G766 - Part GW-20694P

    Driveshaft diagram

    Gasket

    Part #GW-20694

    Replaced by #GW-20694P

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    Manufacturer substitution
    This part replaces GW-20694. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $9.49
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  • Bumper for Troybilt 21A-662G766 - Part 749-04193-0637

    Tines/engine/wheels diagram

    Bumper

    Part #749-04193

    Replaced by #749-04193-0637

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    Manufacturer substitution
    This part replaces 749-04193. Substitute parts can look different from the original.
    In Stock
    $77.58
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  • Mtd Lawn & Garden Equipment Hex Nut for Troybilt 21A-662G766 - Part 712-3010

    Tines/engine/wheels diagram

    Lawn & Garden Equipment Hex Nut

    Part #912-3010

    Replaced by #712-3010

    Info Icon
    Manufacturer substitution
    This part replaces 912-3010. Substitute parts can look different from the original.
    In Stock
    $55.59
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  • Lawn & Garden Equipment Screw for Troybilt 21A-662G766 - Part 710-0805A

    Tines/engine/wheels diagram

    Lawn Tractor Hex Bolt

    Part #710-0805

    Replaced by #710-0805A

    Info Icon
    Manufacturer substitution
    This part replaces 710-0805. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.86
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  • Mtd Snowblower Flat Washer for Troybilt 21A-662G766 - Part 736-0159

    Tines/engine/wheels diagram

    Snowblower Flat Washer

    Part #936-0159

    Replaced by #736-0159

    Info Icon
    Manufacturer substitution
    This part replaces 936-0159. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.84
    13% OFF Phone Price : $7.84Info Icon
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  • Tine Hood for Troybilt 21A-662G766 - Part 686-04078

    Handles/tine hood diagram

    Tine Hood

    Part #686-04078

    The manufacturer no longer makes this part, and there's no substitute part

  • Engine Support Bracket (rt Side) for Troybilt 21A-662G766 - Part 786-04067

    Tines/engine/wheels diagram

    Engine Support Bracket (rt Side)

    Part #786-04067

    The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

View all

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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