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MTD 21AA45M5099 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA45M5099 rear-tine tiller, as well as links to manuals and error code tables, if available.

MTD 21AA45M5099 rear-tine tiller
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Browse Parts for21AA45M5099 Tillers

  • Mtd Lawn & Garden Equipment Pal Nut for MTD 21AA45M5099 - Part 726-0106

    Handles/tine shield diagram

    Lawn & Garden Equipment Push Cap Nut

    Part #926-0106

    Replaced by #726-0106

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    Manufacturer substitution
    This part replaces 926-0106. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $26.13
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  • Toro Lawn & Garden Equipment Lock Washer for MTD 21AA45M5099 - Part 736-0169

    Engine/tines/wheels diagram

    Lawn & Garden Equipment Lock Washer

    Part #936-0169

    Replaced by #736-0169

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    Manufacturer substitution
    This part replaces 936-0169. Substitute parts can look different from the original.
    In Stock
    $28.99
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  • Tiller Bearing for MTD 21AA45M5099 - Part 741-0421B

    Gears/housing diagram

    Tiller Bearing

    Part #741-0421

    Replaced by #741-0421B

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    Manufacturer substitution
    This part replaces 741-0421. Substitute parts can look different from the original.
    In Stock
    $55.01
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  • Tiller Tine Input Sprocket Assembly for MTD 21AA45M5099 - Part 617-0060A

    Gears/housing diagram

    Tiller Tine Input Sprocket Assembly

    Part #617-0060

    Replaced by #617-0060A

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    Manufacturer substitution
    This part replaces 617-0060. Substitute parts can look different from the original.
    In Stock
    $209.91
    5% OFF Phone Price : $221.91Info Icon
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  • Ryobi Lawn & Garden Equipment Lock Washer for MTD 21AA45M5099 - Part 736-0921

    Handles/tine shield diagram

    Lawn & Garden Equipment Lock Washer

    Part #936-0921

    Replaced by #736-0921

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    Manufacturer substitution
    This part replaces 936-0921. Substitute parts can look different from the original.
    In Stock
    $31.01
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  • Mtd Tiller Belt Guard for MTD 21AA45M5099 - Part 784-0158B-0691

    Engine/tines/wheels diagram

    Belt Cover

    Part #784-0158A-0691

    Replaced by #784-0158B-0691

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    Manufacturer substitution
    This part replaces 784-0158A-0691. Substitute parts can look different from the original.
    In Stock
    $138.68
    8% OFF Phone Price : $150.68Info Icon
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  • Craftsman Bracket for MTD 21AA45M5099 - Part 786-0238A

    Gears/housing diagram

    Gear Bracket

    Part #786-0238

    Replaced by #786-0238A

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    Manufacturer substitution
    This part replaces 786-0238. Substitute parts can look different from the original.
    In Stock
    $55.17
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  • Gear Assembly for MTD 21AA45M5099 - Part 617-0062A

    Gears/housing diagram

    Gear Assembly

    Part #617-0062

    Replaced by #617-0062A

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    Manufacturer substitution
    This part replaces 617-0062. Substitute parts can look different from the original.
    In Stock
    $200.89
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  • Tiller Drive Control Bar for MTD 21AA45M5099 - Part 747-1219A-0637

    Handles/tine shield diagram

    Clutch Bail

    Part #747-1219-0637

    Replaced by #747-1219A-0637

    Info Icon
    Manufacturer substitution
    This part replaces 747-1219-0637. Substitute parts can look different from the original.
    In Stock
    $95.93
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  • Gear Asm-rev for MTD 21AA45M5099 - Part 617-0058A

    Gears/housing diagram

    Gear Assembly

    Part #617-0058

    Replaced by #617-0058A

    Info Icon
    Manufacturer substitution
    This part replaces 617-0058. Substitute parts can look different from the original.
    In Stock
    $147.68
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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....

Read more

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