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MTD 21AA414A729 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA414A729 rear-tine tiller, as well as links to manuals and error code tables, if available.

MTD 21AA414A729 rear-tine tiller
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Browse Parts for21AA414A729 Tillers

  • Tiller Tine Shaft for MTD 21AA414A729 - Part 611-0021A

    Gear case 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
    10% OFF Phone Price : $62.21Info Icon
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  • Lawn Tractor Transaxle Detent Spring for MTD 21AA414A729 - Part 932-05125

    Gear case diagram

    Complete Spring

    Part #732-0863

    Replaced by #932-05125

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    Manufacturer substitution
    This part replaces 732-0863. Substitute parts can look different from the original.
    In Stock
    $30.59
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  • Lawn & Garden Equipment Hex Bolt for MTD 21AA414A729 - Part 710-1039

    Wheels/tine diagram

    Screw

    Part #710-0152

    Replaced by #710-1039

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    Manufacturer substitution
    This part replaces 710-0152. Substitute parts can look different from the original.
    In Stock
    $29.88
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  • Lawn & Garden Equipment Hex Cap Screw for MTD 21AA414A729 - Part 710-0751

    Gear case diagram

    Cap Screw

    Part #710-0258

    Replaced by #710-0751

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    Manufacturer substitution
    This part replaces 710-0258. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.90
    14% OFF Phone Price : $6.90Info Icon
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  • Shield for MTD 21AA414A729 - Part 786-0113A

    Tine shield/handle diagram

    Tine Shield

    Part #786-0113

    Replaced by #786-0113A

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    Manufacturer substitution
    This part replaces 786-0113. Substitute parts can look different from the original.
    In Stock
    $104.53
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  • Tiller Tine Shaft Oil Seal for MTD 21AA414A729 - Part 921-0378

    Gear case diagram

    Shaft Seal

    Part #721-0378

    Replaced by #921-0378

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    Manufacturer substitution
    This part replaces 721-0378. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $25.63
    19% OFF Phone Price : $31.63Info Icon
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  • Snowblower Ball Bearing for MTD 21AA414A729 - Part 941-0563

    Gear case diagram

    Ball Bearing

    Part #741-0563

    Replaced by #941-0563

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    Manufacturer substitution
    This part replaces 741-0563. Substitute parts can look different from the original.
    In Stock
    $44.09
    12% OFF Phone Price : $50.09Info Icon
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  • Tiller Drive Belt for MTD 21AA414A729 - Part 954-0438

    Wheels/tine diagram

    V-belt

    Part #754-0438

    Replaced by #954-0438

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    Manufacturer substitution
    This part replaces 754-0438. Substitute parts can look different from the original.
    Get free shipping with Automatic Reorder
    In Stock
    $65.95
    8% OFF Phone Price : $71.95Info Icon
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  • #50 Chain 5/ for MTD 21AA414A729 - Part 913-0226

    Gear case diagram

    Chain

    Part #713-0226

    Replaced by #913-0226

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    Manufacturer substitution
    This part replaces 713-0226. Substitute parts can look different from the original.
    In Stock
    $191.58
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  • Lawn & Garden Equipment Lock Washer for MTD 21AA414A729 - Part 936-0329

    Gear case diagram

    Lock Washer

    Part #736-0329

    Replaced by #936-0329

    Info Icon
    Manufacturer substitution
    This part replaces 736-0329. Substitute parts can look different from the original.
    In Stock
    $31.01
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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...

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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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