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MTD 21AA412A000 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA412A000 rear-tine tiller, as well as links to manuals and error code tables, if available.

MTD 21AA412A000 rear-tine tiller
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Browse Parts for 21AA412A000 Tillers

  • Snowblower Ball Bearing for MTD 21AA412A000 - 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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  • Lawn & Garden Equipment Lock Washer for MTD 21AA412A000 - 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.
    This item is not returnable
    In Stock
    $8.20
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    Qty
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  • Lawn & Garden Equipment Hex Cap Screw for MTD 21AA412A000 - Part 710-0751

    Gear case diagram

    Cap Screw

    Part #710-0258

    Replaced by #710-0751

    Info Icon
    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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  • Belt Cover for MTD 21AA412A000 - Part 786-0100

    Drive system diagram

    Belt Cover

    Part #786-0100

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

  • Tine Assembly, Left for MTD 21AA412A000 - Part 642-0015

    Drive system diagram

    Tine Assembly, Left

    Part #642-0015

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

  • Cable Clip for MTD 21AA412A000 - Part 726-0330

    Handle & tine shield diagram

    Cable Clip

    Part #726-0330

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

  • Retainer Bracket for MTD 21AA412A000 - Part 786-0118

    Handle & tine shield diagram

    Retainer Bracket

    Part #786-0118

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

  • Shield Bracket for MTD 21AA412A000 - Part 786-0076

    Handle & tine shield diagram

    Shield Bracket

    Part #786-0076

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

  • Spacer for MTD 21AA412A000 - Part 750-0936

    Gear case diagram

    Spacer

    Part #750-0936

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

  • Complete Gear Case Assembly for MTD 21AA412A000 - Part 686-04073

    Gear case diagram

    Complete Gear Case Assembly

    Part #686-04073

    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.

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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.…

Read more
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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