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MTD 21AA414A752 rear-tine tiller

MTD 21AA414A752 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA414A752 rear-tine tiller, as well as links to manuals and error code tables, if available.

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Browse Parts for 21AA414A752 Tillers

  • Tiller Tine Shaft Oil Seal for MTD 21AA414A752 - 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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  • Tiller Tire for MTD 21AA414A752 - Part 734-0808A

    Engine/wheels/tines diagram

    14"tler Tire

    Part #734-0808

    Replaced by #734-0808A

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    Manufacturer substitution
    This part replaces 734-0808. Substitute parts can look different from the original.
    In Stock
    $129.16
    9% OFF Phone Price : $141.16Info Icon
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  • Agri-fab Log Splitter Hex Jam Nut for MTD 21AA414A752 - Part 712-3008

    Shield & handle diagram

    Hex Jam Nut

    Part #712-3008

    Replaced by #712-3008

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    Manufacturer substitution
    This part replaces 712-3008. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.16
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  • Tiller Tine Shaft for MTD 21AA414A752 - 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
    $142.19
    12% OFF Was : $161.12Info Icon
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  • Tiller Handle Plug for MTD 21AA414A752 - Part 735-0246A

    Shield & handle diagram

    Plug-vinyl E

    Part #735-0246

    Replaced by #735-0246A

    Info Icon
    Manufacturer substitution
    This part replaces 735-0246. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $10.51
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  • Lawn & Garden Equipment Hex Bolt for MTD 21AA414A752 - Part 710-1039

    Engine/wheels/tines diagram

    Screw

    Part #710-0152

    Replaced by #710-1039

    Info Icon
    Manufacturer substitution
    This part replaces 710-0152. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.74
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  • Lawn & Garden Equipment Hex Cap Screw for MTD 21AA414A752 - 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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  • Tiller Side Cover for MTD 21AA414A752 - Part 686-0044B

    Shield & handle diagram

    Cover Assy-e

    Part #686-0044A

    Replaced by #686-0044B

    Info Icon
    Manufacturer substitution
    This part replaces 686-0044A. Substitute parts can look different from the original.
    In Stock
    $97.31
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  • Tiller Spacer for MTD 21AA414A752 - Part 950-0570

    Gear case diagram

    Spacer

    Part #750-0570

    Replaced by #950-0570

    Info Icon
    Manufacturer substitution
    This part replaces 750-0570. Substitute parts can look different from the original.
    In Stock
    $18.49
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  • Lawn & Garden Equipment Knob for MTD 21AA414A752 - Part 712-0421

    Shield & handle diagram

    Tiller Wing Nut

    Part #712-0421

    Replaced by #712-0421

    Info Icon
    Manufacturer substitution
    This part replaces 712-0421. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.90
    26% OFF Phone Price : $3.90Info 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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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.…

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