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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 for 21AA45M5099 Tillers

  • 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.
    This item is not returnable
    In Stock
    $5.60
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  • Tiller Tine Shaft for MTD 21AA45M5099 - Part 611-0021A

    Gears/housing diagram

    Tiller Tine Shaft

    Part #611-0021

    Replaced by #611-0021A

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    Manufacturer substitution
    This part replaces 611-0021. Substitute parts can look different from the original.
    In Stock
    $56.21
    65% OFF Was : $161.12Info Icon
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  • Tiller Control Cable for MTD 21AA45M5099 - Part 946-1117

    Engine/tines/wheels diagram

    Tiller Clutch Cable

    Part #746-1117

    Replaced by #946-1117

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    Manufacturer substitution
    This part replaces 746-1117. Substitute parts can look different from the original.
    In Stock
    $89.15
    6% OFF Phone Price : $95.15Info Icon
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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

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    Manufacturer substitution
    This part replaces 747-1219-0637. Substitute parts can look different from the original.
    In Stock
    $46.76
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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
    $108.31
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  • Craftsman Bracket for MTD 21AA45M5099 - Part 786-0238A

    Gears/housing diagram

    Gear Bracket

    Part #786-0238

    Replaced by #786-0238A

    Info Icon
    Manufacturer substitution
    This part replaces 786-0238. Substitute parts can look different from the original.
    In Stock
    $30.56
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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

    Info Icon
    Manufacturer substitution
    This part replaces 936-0921. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.20
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    Qty
    Plus Item
  • 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

    Info Icon
    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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  • Gear Assembly for MTD 21AA45M5099 - Part 617-0062A

    Gears/housing diagram

    Gear Assembly

    Part #617-0062

    Replaced by #617-0062A

    Info Icon
    Manufacturer substitution
    This part replaces 617-0062. Substitute parts can look different from the original.
    In Stock
    $160.96
    Minus Item
    Qty
    Plus Item
  • Tiller Input Shaft for MTD 21AA45M5099 - Part 711-1349B

    Gears/housing diagram

    Input Shaft

    Part #711-1349

    Replaced by #711-1349B

    Info Icon
    Manufacturer substitution
    This part replaces 711-1349. Substitute parts can look different from the original.
    In Stock
    $111.14
    Minus Item
    Qty
    Plus Item

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Lawn Tractor E85 Fuel Decal

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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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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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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.…

Read more

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