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MTD 21AA40M1029 rear-tine tiller

MTD 21AA40M1029 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA40M1029 rear-tine tiller, as well as links to manuals and error code tables, if available.

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Browse Parts for 21AA40M1029 Tillers

  • Bracket-dept for MTD 21AA40M1029 - Part 786-04356A-0638

    Handle & tine shield diagram

    Adjustable Depth Bar

    Part #786-04356-0638

    Replaced by #786-04356A-0638

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    Manufacturer substitution
    This part replaces 786-04356-0638. Substitute parts can look different from the original.
    In Stock
    $49.51
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  • Bracket-cabl for MTD 21AA40M1029 - Part 786-04357A-0638

    Drive system diagram

    Bracket Pull

    Part #786-04357-0638

    Replaced by #786-04357A-0638

    Info Icon
    Manufacturer substitution
    This part replaces 786-04357-0638. Substitute parts can look different from the original.
    In Stock
    $40.27
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  • Cover for MTD 21AA40M1029 - Part 731-06253B

    Handle & tine shield diagram

    Handle Cover

    Part #731-06253A

    Replaced by #731-06253B

    Info Icon
    Manufacturer substitution
    This part replaces 731-06253A. Substitute parts can look different from the original.
    In Stock
    $57.76
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  • Mtd Lawn & Garden Equipment Pal Nut for MTD 21AA40M1029 - Part 726-0106

    Handle & tine shield diagram

    Lawn & Garden Equipment Push Cap Nut

    Part #926-0106

    Replaced by #726-0106

    Info Icon
    Manufacturer substitution
    This part replaces 926-0106. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $26.02
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  • Lawn & Garden Equipment Wheel Axle Bolt for MTD 21AA40M1029 - Part 738-0533

    Handle & tine shield diagram

    Lawn & Garden Equipment Wheel Axle Bolt

    Part #938-0533

    Replaced by #738-0533

    Info Icon
    Manufacturer substitution
    This part replaces 938-0533. Substitute parts can look different from the original.
    In Stock
    $34.19
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    Qty
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  • Yard Machines Tiller Handle Adjustment Rod for MTD 21AA40M1029 - Part 786-0340B

    Handle & tine shield diagram

    Crank Handle

    Part #786-0340A

    Replaced by #786-0340B

    Info Icon
    Manufacturer substitution
    This part replaces 786-0340A. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $27.47
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  • Lawn & Garden Equipment Screw for MTD 21AA40M1029 - Part 710-0805A

    Handle & tine shield diagram

    Lawn Tractor Hex Bolt

    Part #710-0805

    Replaced by #710-0805A

    Info Icon
    Manufacturer substitution
    This part replaces 710-0805. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.86
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  • Plug:end for MTD 21AA40M1029 - Part 735-04105A

    Handle & tine shield diagram

    End Plug

    Part #735-04105

    Replaced by #735-04105A

    Info Icon
    Manufacturer substitution
    This part replaces 735-04105. Substitute parts can look different from the original.
    In Stock
    $10.14
    Minus Item
    Qty
    Plus Item
  • Frame-rh Til for MTD 21AA40M1029 - Part 786-04416B-0638

    Drive system diagram

    Mtd Red

    Part #786-04416-0638

    Replaced by #786-04416B-0638

    Info Icon
    Manufacturer substitution
    This part replaces 786-04416-0638. Substitute parts can look different from the original.
    In Stock
    $66.29
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    Qty
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  • for MTD 21AA40M1029 - Part N/P

    #NI

    All parts diagram

    Part #N/P

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

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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…

Read more

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…

Read more

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.…

Read more

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