MTD
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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Showing 10 of 43 parts  |

Lawn Tractor Flange Nut (replaces 00012173, Wd-129-103) 712-04065
#9

Lawn mower diagram

Lawn tractor flange nut (replaces 00012173, wd-129-103)

Part #712-04065

BEST SELLER
This item is not returnable
$3.39
50% OFF MSRP : $6.80
In Stock
Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#42

Lawn mower diagram

Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

BEST SELLER
This item is not returnable
$4.91
17% OFF Phone Price : $5.91
In Stock
Lawn Tractor Gauge Wheel 734-0973
#26

Lawn mower diagram

Lawn tractor gauge wheel

Part #734-0973

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

Tiller Tine Assembly (replaces 642-0004) 642-0004-0637
#34

Lawn mower diagram

Tiller tine assembly (replaces 642-0004)

Part #642-0004-0637

$90.19
5% OFF Phone Price : $95.19
In Stock
Tiller Tine Assembly, Outer Left (replaces 642-0005) 642-0005-0637
#20

Lawn mower diagram

Tiller tine assembly, outer left (replaces 642-0005)

Part #642-0005-0637

$81.99
6% OFF Phone Price : $86.99
In Stock
Lawn Tractor Screw 710-1007
#29

Lawn mower diagram

Lawn tractor screw

Part #710-1007

This item is not returnable
In Stock
Stud 738-04139
#14

Lawn mower diagram

Stud

Part #738-04139

This item is not returnable
In Stock
Cable 786-04307-0637
#43

Lawn mower diagram

Cable

Part #786-04307-0637

In Stock
Mtd Red 786-04256-0638
#18

Lawn mower diagram

Mtd red

Part #786-04256-0638

In Stock
Flywheel Pulley 756-04217
#15

Lawn mower diagram

Flywheel pulley

Part #756-04217

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.…