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MTD
Gas Walk-Behind Mower

Model # 020 Official MTD gas lawn mower

Here are the diagrams and repair parts for Official MTD 020 gas lawn mower, 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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ALL PARTS
Showing 10 of 72 parts  |
Blade 781-0490
#22

Frame diagram

Blade

Part #781-0490

Replaced by #981-0490

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Manufacturer substitution
This part replaces 781-0490. Substitute parts can look different from the original.
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$30.78 | 
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Chipper/shredder Flail Blade 719-0329
#26

Frame diagram

Chipper/shredder flail blade

Part #719-0329

Get free shipping with Automatic Reorder

$32.18 | 
16% OFF Phone Price : $38.18
In Stock
Lawn Vacuum Chipper/shredder Retainer Clip 781-0735
#27

Frame diagram

Lawn vacuum chipper/shredder retainer clip

Part #781-0735

This item is not returnable
$6.55 | 
13% OFF Phone Price : $7.55
In Stock
Lawn & Garden Equipment Screw 710-1054
#21

Frame diagram

Lawn & garden equipment screw

Part #710-1054

Replaced by #710-1054

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Manufacturer substitution
This part replaces 710-1054. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lawn Vacuum Chipper/shredder Roll Pin 715-0166
#29

Frame diagram

Lawn vacuum chipper/shredder roll pin

Part #715-0166

This item is not returnable
$10.46 | 
16% OFF Phone Price : $12.46
In Stock
Yard Machines Lawn & Garden Equipment Wing Nut (replaces 01002925, 920-0279) 720-0279
#3

Handle/bag diagram

Yard machines lawn & garden equipment wing nut (replaces 01002925, 920-0279)

Part #720-0279

This item is not returnable
$6.87 | 
13% OFF Phone Price : $7.87
In Stock
Switch Cover 725-1700
#1

Frame diagram

Switch cover

Part #725-1700

Replaced by #725-1700

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Manufacturer substitution
This part replaces 725-1700. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Yard Machines Lawn & Garden Equipment Guide Bolt 710-1205
#4

Handle/bag diagram

Yard machines lawn & garden equipment guide bolt

Part #710-1205

This item is not returnable
$5.01 | 
17% OFF Phone Price : $6.01
In Stock
Sears Lawn & Garden Equipment Washer 736-0247
#30

Frame diagram

Sears lawn & garden equipment washer

Part #736-0247

This item is not returnable
$13.94
In Stock
Yard Machines Lawn & Garden Equipment Wheel 734-1978
#32

Handle/bag diagram

Yard machines lawn & garden equipment wheel

Part #734-1978

$49.93 | 
11% OFF Phone Price : $55.93
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower carburetor

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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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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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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