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MTD 21AA415A731 rear-tine tiller

MTD 21AA415A731 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA415A731 rear-tine tiller, as well as links to manuals and error code tables, if available.

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Browse Parts for 21AA415A731 Tillers

  • #50 Chain 5/ for MTD 21AA415A731 - Part 913-0226

    Gear case diagram

    Chain

    Part #713-0226

    Replaced by #913-0226

    Info Icon
    Manufacturer substitution
    This part replaces 713-0226. Substitute parts can look different from the original.
    In Stock
    $191.46
    Minus Item
    Qty
    Plus Item
  • Tiller Tire for MTD 21AA415A731 - Part 734-1796A

    Tine/wheels diagram

    Super Tire

    Part #734-1796

    Replaced by #734-1796A

    Info Icon
    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
    Minus Item
    Qty
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  • Tiller Clutch Cable for MTD 21AA415A731 - Part 946-0916

    Shield & handle diagram

    Clutch Cable

    Part #746-0916

    Replaced by #946-0916

    Info Icon
    Manufacturer substitution
    This part replaces 746-0916. Substitute parts can look different from the original.
    In Stock
    $82.87
    7% OFF Phone Price : $88.87Info Icon
    Minus Item
    Qty
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  • Tiller Nut for MTD 21AA415A731 - Part 738-0876A

    Tine/wheels diagram

    Shield Nut

    Part #738-0876

    Replaced by #738-0876A

    Info Icon
    Manufacturer substitution
    This part replaces 738-0876. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $19.80
    9% OFF Phone Price : $21.80Info Icon
    Minus Item
    Qty
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  • Shield for MTD 21AA415A731 - Part 786-0090A-0637

    Shield & handle diagram

    Shield

    Part #786-0090

    Replaced by #786-0090A-0637

    Info Icon
    Manufacturer substitution
    This part replaces 786-0090. Substitute parts can look different from the original.
    In Stock
    $52.18
    Minus Item
    Qty
    Plus Item
  • Washer for MTD 21AA415A731 - Part 736-05031

    Gear case diagram

    Tiller Flat Washer

    Part #736-0442

    Replaced by #736-05031

    Info Icon
    Manufacturer substitution
    This part replaces 736-0442. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.80
    Minus Item
    Qty
    Plus Item
  • Handle Assembly for MTD 21AA415A731 - Part 649-0017

    Shield & handle diagram

    Handle Assembly

    Part #649-0017

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

  • Shift Assy-c for MTD 21AA415A731 - Part 686-0095

    Tine/wheels diagram

    Shift Assy-c

    Part #686-0095

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

  • Retainer Bracket for MTD 21AA415A731 - Part 786-0118

    Shield & handle diagram

    Retainer Bracket

    Part #786-0118

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

  • Case Assy Ge for MTD 21AA415A731 - Part 686-0039

    Gear case diagram

    Case Assy Ge

    Part #686-0039

    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.…

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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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