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Front-Tine Tiller

Model # 21A-240P029 Official MTD front-tine tiller

Here are the diagrams and repair parts for Official MTD 21A-240P029 front-tine tiller, as well as links to manuals and error code tables, if available.

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Browse Parts for21A-240P029 Tillers

  • Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 712-04063
    #38

    Lawn mower diagram

    Yard machines lawn & garden equipment lock nut, 5/16-18

    Part #712-04063

    BEST SELLER
    This item is not returnable
    $4.40 | 
    19% OFF Phone Price : $5.40
    In Stock
  • Mtd Yard Machines Lawn Tractor Flange Nut 712-04065
    #9

    Lawn mower diagram

    Mtd yard machines lawn tractor flange nut

    Part #712-04065

    BEST SELLER
    This item is not returnable
    $5.27 | 
    16% OFF Phone Price : $6.27
    In Stock
  • Yard Machines Lawn Mower Handle Knob 720-04072A
    #2

    Lawn mower diagram

    Yard machines lawn mower handle knob

    Part #720-04072A

    BEST SELLER
    $9.33 | 
    10% OFF Phone Price : $10.33
    In Stock
  • Mtd Lawn Tractor Gauge Wheel 734-0973
    #26

    Lawn mower diagram

    Mtd lawn tractor gauge wheel

    Part #734-0973

    In Stock
  • Yard Machines Lawn Tractor Bolt 710-0514
    #12

    Lawn mower diagram

    Yard machines lawn tractor bolt

    Part #710-0514

    This item is not returnable
    $5.33 | 
    16% OFF Phone Price : $6.33
    In Stock
  • Mtd Lawn And Garden Equipment Push Cap (part Number 726-0299) 726-0299
    #25

    Lawn mower diagram

    Mtd lawn and garden equipment push cap (part number 726-0299)

    Part #726-0299

    This item is not returnable
    $12.39 | 
    14% OFF Phone Price : $14.39
    In Stock
  • Tiller Tine Assembly 642-0003-0637
    #21

    Lawn mower diagram

    Tiller tine assembly

    Part #642-0003-0637

    $81.99 | 
    7% OFF Phone Price : $87.99
    In Stock
  • Ace Lawn Tractor Hex Screw 710-0654A
    #10

    Lawn mower diagram

    Ace lawn tractor hex screw

    Part #710-0654A

    This item is not returnable
    $6.57 | 
    13% OFF Phone Price : $7.57
    In Stock
  • Mtd Red 786-04256-0638
    #18

    Lawn mower diagram

    Mtd red

    Part #786-04256-0638

    In Stock
  • Yard Machines Flange Screw 710-04398
    #4

    Lawn mower diagram

    Yard machines flange screw

    Part #710-04398

    In Stock

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

Main causes: clutch cable problems, faulty transmission…

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

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

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

Main causes: broken shaft clevis pins, transmission failure…

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

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

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 difficulty
Time required
 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.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…

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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