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MTD 21AA412A700 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA412A700 rear-tine tiller, as well as links to manuals and error code tables, if available.

MTD 21AA412A700 rear-tine tiller
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Browse Parts for 21AA412A700 Tillers

  • Spacer for MTD 21AA412A700 - Part 750-0936

    Gear case diagram

    Spacer

    Part #750-0936

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

  • Shield Bracket for MTD 21AA412A700 - Part 786-0076

    Shield & handle diagram

    Shield Bracket

    Part #786-0076

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

  • Handle Cover for MTD 21AA412A700 - Part 786-0131

    Shield & handle diagram

    Handle Cover

    Part #786-0131

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

  • Frame-counte for MTD 21AA412A700 - Part 619-0009

    Engine/wheels/tines diagram

    Frame-counte

    Part #619-0009

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

  • Tine Assembly, Right for MTD 21AA412A700 - Part 642-0016

    Engine/wheels/tines diagram

    Tine Assembly, Right

    Part #642-0016

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

  • Control Assembly for MTD 21AA412A700 - Part 647-0014

    Shield & handle diagram

    Control Assembly

    Part #647-0014

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

  • Button Plug for MTD 21AA412A700 - Part 726-0331

    Gear case diagram

    Button Plug

    Part #726-0331

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

  • Case Assy Ge for MTD 21AA412A700 - 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

  • Tiller Gear Case Gasket for MTD 21AA412A700 - Part 721-0295

    Gear case diagram

    Tiller Gear Case Gasket

    Part #721-0295

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

  • Sprocket Gear for MTD 21AA412A700 - Part 617-0003

    Gear case diagram

    Sprocket Gear

    Part #617-0003

    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.

Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, lea…

Main causes: dirty carburetor, engine needs tune up, stale gas…

Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter…

Main causes: broken shaft clevis pins, transmission failure…

Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper de…

Main causes: clutch cable problems, faulty transmission…

Main causes: worn or broken drive belts, bad transmission, clutch cable problems…

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.

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…

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.

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…

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.…

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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