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MTD 21AA412A000 rear-tine tiller

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.

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Browse Parts for 21AA412A000 Tillers

  • Lawn & Garden Equipment Flat Washer for MTD 21AA412A000 - Part 936-0117

    Handle & tine shield diagram

    Washer

    Part #736-0117

    Replaced by #936-0117

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    Manufacturer substitution
    This part replaces 736-0117. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $13.00
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  • Tiller Clutch Cable for MTD 21AA412A000 - Part 946-0916

    Handle & tine shield diagram

    Clutch Cable

    Part #746-0916

    Replaced by #946-0916

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    Manufacturer substitution
    This part replaces 746-0916. Substitute parts can look different from the original.
    In Stock
    $82.87
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  • Lawn & Garden Equipment Flat Washer for MTD 21AA412A000 - Part 936-0256

    Drive system diagram

    Washer

    Part #736-0256

    Replaced by #936-0256

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    Manufacturer substitution
    This part replaces 736-0256. Substitute parts can look different from the original.
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    $34.68
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  • Lawn & Garden Equipment Hex Bolt for MTD 21AA412A000 - Part 710-1039

    Drive system 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.
    This item is not returnable
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    $6.74
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  • 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.
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    $44.09
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  • Tiller Drive Belt for MTD 21AA412A000 - Part 954-0438

    Drive system 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
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    $65.95
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  • #50 Chain 5/ for MTD 21AA412A000 - 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
    $191.46
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  • Tiller Tine Shaft Oil Seal for MTD 21AA412A000 - 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
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  • Tiller Spacer for MTD 21AA412A000 - Part 950-0570

    Gear case diagram

    Spacer

    Part #750-0570

    Replaced by #950-0570

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    Manufacturer substitution
    This part replaces 750-0570. Substitute parts can look different from the original.
    In Stock
    $18.49
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  • Tiller Tire for MTD 21AA412A000 - Part 734-1796A

    Drive system diagram

    Super Tire

    Part #734-1796

    Replaced by #734-1796A

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    Manufacturer substitution
    This part replaces 734-1796. Substitute parts can look different from the original.
    In Stock
    $154.15
    7% OFF Phone Price : $166.15Info Icon
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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…

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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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