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MTD
Gas Walk-Behind Mower

Model # 11A-020G020 Official MTD lawn mower

Here are the diagrams and repair parts for Official MTD 11A-020G020 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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Showing 10 of 28 parts  |
Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591) 712-04063
#16

Lawn mower diagram

Yard machines lawn & garden equipment lock nut, 5/16-18 (replaces 753-05591)

Part #712-04063

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This item is not returnable
$4.40 | 
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Yard Machines Lawn & Garden Equipment Hex Bolt, 3/8-24 X 1-1/2-in (replaces 910-1044) 710-1044
#8

Lawn mower diagram

Yard machines lawn & garden equipment hex bolt, 3/8-24 x 1-1/2-in (replaces 910-1044)

Part #710-1044

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This item is not returnable
$5.33 | 
16% OFF Phone Price : $6.33
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Lawn Mower Blade Adapter (replaces 748-0376c) 748-0376E
#10

Lawn mower diagram

Lawn mower blade adapter (replaces 748-0376c)

Part #748-0376E

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$23.53 | 
20% OFF Phone Price : $29.53
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Lawn & Garden Equipment Cable Tie 725-0157
#25

Lawn mower diagram

Lawn & garden equipment cable tie

Part #725-0157

Replaced by #726-0178

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Manufacturer substitution
This part replaces 725-0157. Substitute parts can look different from the original.
This item is not returnable
$2.16
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Lawn Mower 20-in Deck Blade (replaces 742-0640) 942-0640
#11

Lawn mower diagram

Lawn mower 20-in deck blade (replaces 742-0640)

Part #942-0640

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$24.79 | 
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Lawn Mower Lower Handle 749-04037
#3

Lawn mower diagram

Lawn mower lower handle

Part #749-04037

$66.59 | 
8% OFF Phone Price : $72.59
In Stock
Troybilt Lawn Mower Bail Control Bar (replaces 747-1161a) 747-1161A-0637
#5

Lawn mower diagram

Troybilt lawn mower bail control bar (replaces 747-1161a)

Part #747-1161A-0637

This item is not returnable
$20.10 | 
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Lawn Mower Handle, Upper 749-1092A-0637
#4

Lawn mower diagram

Lawn mower handle, upper

Part #749-1092A-0637

$63.25 | 
9% OFF Phone Price : $69.25
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Shoulder Screw 938-04033
#27

Lawn mower diagram

Shoulder screw

Part #938-04033

This item is not returnable
$5.22
In Stock
Yard Machines Lawn & Garden Equipment Washer (replaces 936-0105) 736-0105
#23

Lawn mower diagram

Yard machines lawn & garden equipment washer (replaces 936-0105)

Part #736-0105

This item is not returnable
$6.29
In Stock

Symptoms for gas walk-behind mowers

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

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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 stall?

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

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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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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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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 spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

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Repair difficulty
Time required
 30 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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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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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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