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MTD 21AA412A052 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA412A052 rear-tine tiller, as well as links to manuals and error code tables, if available.

MTD 21AA412A052 rear-tine tiller
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Browse Parts for21AA412A052 Tillers

  • Spacer for MTD 21AA412A052 - Part 750-0938

    Gear case diagram

    Spacer

    Part #750-0938

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

  • Bracket Assembly for MTD 21AA412A052 - Part 686-0043A

    Handle & tine shield diagram

    Bracket Assembly

    Part #686-0043A

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

  • Special Key for MTD 21AA412A052 - Part 718-0237

    Gear case diagram

    Special Key

    Part #718-0237

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

  • Case Assy Ge for MTD 21AA412A052 - 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

  • Pipe Drain 1 for MTD 21AA412A052 - Part 737-0298

    Drive system diagram

    Pipe Drain 1

    Part #737-0298

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

  • Clutch Collar for MTD 21AA412A052 - Part 718-0234

    Gear case diagram

    Clutch Collar

    Part #718-0234

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

  • Retainer Ring for MTD 21AA412A052 - Part 716-0235

    Gear case diagram

    Retainer Ring

    Part #716-0235

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

  • Cable Clip for MTD 21AA412A052 - Part 726-0330

    Handle & tine shield diagram

    Cable Clip

    Part #726-0330

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

  • Sprocket Gear for MTD 21AA412A052 - Part 617-0003

    Gear case diagram

    Sprocket Gear

    Part #617-0003

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

  • Intermediate Gear Assembly for MTD 21AA412A052 - Part 611-0016

    Gear case diagram

    Intermediate Gear Assembly

    Part #611-0016

    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.

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Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

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Tiller common questions

Tiller common questions

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