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MTD
Gas Walk-Behind Mower

Model # 11A-510N720 THRU 11A-518N720 Official MTD lawn mower

Here are the diagrams and repair parts for Official MTD 11A-510N720-THRU-11A-518N720 lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 78 parts  |
Blade-21" Mu 742-0741
#73

Replacement parts diagram

Blade-21" mu

Part #742-0741

Replaced by #942-0741A

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Manufacturer substitution
This part replaces 742-0741. Substitute parts can look different from the original.
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$27.71 | 
18% OFF Phone Price : $33.71
In Stock
Cable Tie 726-0240
#17

Replacement parts diagram

Cable tie

Part #726-0240

Replaced by #726-0178

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Manufacturer substitution
This part replaces 726-0240. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Ace Lawn Tractor Hex Screw 710-0654A
#52

Replacement parts diagram

Ace lawn tractor hex screw

Part #710-0654A

This item is not returnable
$6.57 | 
13% OFF Phone Price : $7.57
In Stock
Lawn & Garden Equipment Machine Screw (replaces 753-04430, 910-0605) 710-0605
#3

Replacement parts diagram

Lawn & garden equipment machine screw (replaces 753-04430, 910-0605)

Part #710-0605

This item is not returnable
$6.76 | 
13% OFF Phone Price : $7.76
In Stock
Lawn Mower Rear Skirt Wire Rod 732-0700
#14

Replacement parts diagram

Lawn mower rear skirt wire rod

Part #732-0700

Replaced by #732P0700

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Manufacturer substitution
This part replaces 732-0700. Substitute parts can look different from the original.
$7.63
In Stock
Handle 749-0907
#19

Replacement parts diagram

Handle

Part #749-0907

Replaced by #749-0907B-0637

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Manufacturer substitution
This part replaces 749-0907. Substitute parts can look different from the original.
$72.62
In Stock
Throttle Cable 746-0841
#12

Replacement parts diagram

Throttle cable

Part #746-0841

Replaced by #946-0674A

?
Manufacturer substitution
This part replaces 746-0841. Substitute parts can look different from the original.
$27.09
In Stock
Sears Lawn & Garden Equipment Screw 710-0286
#102

Replacement parts diagram

Sears lawn & garden equipment screw

Part #710-0286

This item is not returnable
$7.63
In Stock
Cotter Pin 714-0104
#35

Replacement parts diagram

Cotter pin

Part #714-0104

This item is not returnable
$6.17
In Stock
Yard Machines Lawn & Garden Equipment Washer (replaces 936-0105) 736-0105
#80

Replacement parts 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 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 does my lawn mower cut unevenly?

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

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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 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 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 stall?

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

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How to rebuild a lawn mower carburetor

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

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Repair difficulty
Time required
 60 minutes or less
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.…

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

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 minutes or less

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Types of walk-behind mower blades video

Types of walk-behind mower blades video

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