MTD
Gas Walk-Behind Mower

Model #11A-020B029 Official MTD lawn mower

Here are the diagrams and repair parts for MTD 11A-020B029 lawn mower, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Showing 10 of 28 parts

Lawn Mower Blade Support (replaces 936-0524A)#9

Lawn mower Diagram

Lawn mower blade support (replaces 936-0524a)

Part #736-0524B
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Lawn & Garden Equipment Nut#20

Lawn mower Diagram

Lawn & garden equipment nut

Part #712-04064
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Lawn Tractor Flange Nut (replaces 00012173, WD-129-103)#24

Lawn mower Diagram

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

Part #712-04065
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Lawn & Garden Equipment Hex Bolt, 3/8-24 x 1-1/2-in (replaces 910-1044)#8

Lawn mower Diagram

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

Part #710-1044
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Lawn Mower Blade Adapter (replaces 748-0376C)#10

Lawn mower Diagram

Lawn mower blade adapter (replaces 748-0376c)

Part #748-0376E
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Lawn Mower Zone Control Cable (replaces 746-0957)#26

Lawn mower Diagram

Lawn mower zone control cable (replaces 746-0957)

Part #946-0957
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Lawn Mower Rear Skirt#6

Lawn mower Diagram

Lawn mower rear skirt

Part #731-06953
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Lawn Tractor Hex Bolt#15

Lawn mower Diagram

Lawn tractor hex bolt

Part #710-3008
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Lawn Mower Lower Handle#3

Lawn mower Diagram

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Lawn & Garden Equipment Carriage Bolt#18

Lawn mower Diagram

Lawn & garden equipment carriage bolt

Part #710-0262
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Symptoms for gas walk-behind mowers

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

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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.

March 1, 2016
By Lyle Weischwill
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 cracked.

Repair difficulty