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MTD
Front-Tine Tiller

Model # 21B-342-062 Official MTD front tine gas tiller

Here are the diagrams and repair parts for Official MTD 21B-342-062 front tine gas tiller, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

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$4.91 | 
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Yard Machines Lawn & Garden Equipment Bell Washer (replaces 936-0242) 736-0242
Yard machines lawn & garden equipment bell washer (replaces 936-0242)

Part #736-0242

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$6.58 | 
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Lock Washer 736-0119
Lock washer

Part #736-0119

Replaced by #936-0119

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Manufacturer substitution
This part replaces 736-0119. Substitute parts can look different from the original.
This item is not returnable
$6.05 | 
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Jam Nut 712-0240
Jam nut

Part #712-0240

Replaced by #912-0240

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Manufacturer substitution
This part replaces 712-0240. Substitute parts can look different from the original.
This item is not returnable
$5.47 | 
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Lawn Tractor Hex Bolt 710-3008
Lawn tractor hex bolt

Part #710-3008

This item is not returnable
$4.62 | 
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Belt 754-0428
Belt

Part #754-0428

Replaced by #954-0428

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Manufacturer substitution
This part replaces 754-0428. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$39.73 | 
13% OFF Phone Price : $45.73
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Ace Lawn & Garden Equipment Flange Lock Nut 712-3004A
Ace lawn & garden equipment flange lock nut

Part #712-3004A

This item is not returnable
$4.92 | 
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Yard-man Lawn & Garden Equipment Push Nut 726-0135
#8

Handle/cover-handle/frame - 390 diagram

Yard-man lawn & garden equipment push nut

Part #726-0135

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$10.46 | 
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Lawn & Garden Equipment Shoulder Screw 738-0929
Lawn & garden equipment shoulder screw

Part #738-0929

This item is not returnable
$13.80
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Inner Tine Assembly 642-0002
Inner tine assembly

Part #642-0002

Replaced by #642-0002-0637

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Manufacturer substitution
This part replaces 642-0002. Substitute parts can look different from the original.
$90.30 | 
6% OFF Phone Price : $96.30
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Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

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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 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 won't my tillers wheels or tines turn?

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

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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 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'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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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 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.

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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.…

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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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