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MTD
Gas Walk-Behind Mower

Model # 12A-379A062 Official MTD gas lawn mower

Here are the diagrams and repair parts for Official MTD 12A-379A062 gas 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 21 parts  |
Blade-21" Mu 742-0741
#6

Mower assembly 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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$29.10 | 
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Lawn Mower Rear Skirt Wire Rod 732-0700
#3

Mower assembly 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
Throttle Cable 746-0841
#14

Mower assembly diagram

Throttle cable

Part #746-0841

Replaced by #946-0674A

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Manufacturer substitution
This part replaces 746-0841. Substitute parts can look different from the original.
$27.09
In Stock
Yard Machines Lawn & Garden Equipment Wing Nut (replaces 01002925, 920-0279) 720-0279
#12

Mower assembly 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
Lawn Mower Blade Adapter 753-0609
#9

Mower assembly diagram

Lawn mower blade adapter

Part #753-0609

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$35.69 | 
14% OFF Phone Price : $41.69
In Stock
Lawn Mower Control Cable 746-0551
#13

Mower assembly diagram

Lawn mower control cable

Part #746-0551

Replaced by #946-0551

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Manufacturer substitution
This part replaces 746-0551. Substitute parts can look different from the original.
$27.87 | 
18% OFF Phone Price : $33.87
In Stock
Drive Cable 746-0711A
#15

Mower assembly diagram

Drive cable

Part #746-0711A

Replaced by #946-0711B

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Manufacturer substitution
This part replaces 746-0711A. Substitute parts can look different from the original.
$32.85 | 
15% OFF Phone Price : $38.85
In Stock
Handle Control 747-0824
#17

Mower assembly diagram

Handle control

Part #747-0824

Replaced by #747-0824B-0637

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Manufacturer substitution
This part replaces 747-0824. Substitute parts can look different from the original.
$74.68 | 
7% OFF Phone Price : $80.68
In Stock
Handle Knob 720-0276
#11

Mower assembly diagram

Handle knob

Part #720-0276

Replaced by #920-0276

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Manufacturer substitution
This part replaces 720-0276. Substitute parts can look different from the original.
This item is not returnable
$5.70 | 
15% OFF Phone Price : $6.70
In Stock
Blade-21" W/ 742-0641
#6A

Mower assembly diagram

Blade-21" w/

Part #742-0641

Replaced by #942-0641

?
Manufacturer substitution
This part replaces 742-0641. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$33.99 | 
15% OFF Phone Price : $39.99
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 run rough?

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

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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 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 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 move?

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

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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
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Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
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 45 minutes or less

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