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MTD
Gas Walk-Behind Mower

Model # 12A-986Q795 Official MTD lawn mower

Here are the diagrams and repair parts for Official MTD 12A-986Q795 lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 142 parts  |
Lawn Mower Blade Support (replaces 936-0524a) 736-0524B
#32

Handle/chute/deck diagram

Lawn mower blade support (replaces 936-0524a)

Part #736-0524B

Replaced by #736-0524B-1

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Manufacturer substitution
This part replaces 736-0524B. Substitute parts can look different from the original.
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$6.58 | 
13% OFF Phone Price : $7.58
In Stock
Bearing 741-0124
#84

Wheels/transmission diagram

Bearing

Part #741-0124

Replaced by #941-0600

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Manufacturer substitution
This part replaces 741-0124. Substitute parts can look different from the original.
BEST SELLER
$28.71 | 
17% OFF Phone Price : $34.71
In Stock
Lawn Tractor Screw, 1/4-20 X 5/8-in (replaces 910-1652) 710-1652
#43

Wheels/transmission diagram

Lawn tractor screw, 1/4-20 x 5/8-in (replaces 910-1652)

Part #710-1652

This item is not returnable
$5.44 | 
16% OFF Phone Price : $6.44
In Stock
Lawn & Garden Equipment Carriage Bolt (replaces 1186069, 583108, 706-101080, 706-10602-12, 791-182213) 710-0703
#23

Handle/chute/deck diagram

Lawn & garden equipment carriage bolt (replaces 1186069, 583108, 706-101080, 706-10602-12, 791-182213)

Part #710-0703

This item is not returnable
$6.46 | 
13% OFF Phone Price : $7.46
In Stock
Lawn & Garden Equipment Push Cap (replaces 1917798, 926-0214) 726-0214
#53

Wheels/transmission diagram

Lawn & garden equipment push cap (replaces 1917798, 926-0214)

Part #726-0214

This item is not returnable
$15.99 | 
11% OFF Phone Price : $17.99
In Stock
Hex Flange 712-3027
#52

Handle/chute/deck diagram

Hex flange

Part #712-3027

Replaced by #912-3027

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Manufacturer substitution
This part replaces 712-3027. Substitute parts can look different from the original.
This item is not returnable
$5.44 | 
16% OFF Phone Price : $6.44
In Stock
Ryobi Stop Nut 712-0429
#45

Handle/chute/deck diagram

Ryobi stop nut

Part #712-0429

This item is not returnable
$7.06
In Stock
Cable Adjuster Spacer 746-0711B
#7

Handle/chute/deck diagram

Cable adjuster spacer

Part #746-0711B

Replaced by #946-0711B

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Manufacturer substitution
This part replaces 746-0711B. Substitute parts can look different from the original.
$32.85 | 
15% OFF Phone Price : $38.85
In Stock
V-belt 754-0460
#37

Handle/chute/deck diagram

V-belt

Part #754-0460

Replaced by #954-0460

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Manufacturer substitution
This part replaces 754-0460. Substitute parts can look different from the original.
This item is not returnable

Get free shipping with Automatic Reorder

$23.49 | 
20% OFF Phone Price : $29.49
In Stock
Wheel 734-2044
#6

Wheels/transmission diagram

Wheel

Part #734-2044

Replaced by #734-2044B

?
Manufacturer substitution
This part replaces 734-2044. Substitute parts can look different from the original.
$59.23 | 
9% OFF Phone Price : $65.23
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

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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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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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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