MTD
Front-Engine Lawn Tractor

Model # 13AG688H722 Official MTD lawn tractor

Here are the diagrams and repair parts for Official MTD 13AG688H722 lawn tractor, 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 399 parts  |

Lawn Mower Blade 742-0616A
#8A

Mower deck diagram

Lawn mower blade

Part #742-0616A

Replaced by #942-0616A

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Manufacturer substitution
This part replaces 742-0616A. Substitute parts can look different from the original.
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Get free shipping with Automatic Reorder

$29.58
17% OFF Phone Price : $35.58
In Stock
Gasket 721-0208
#27

Engines/muffler diagram

Gasket

Part #721-0208

Replaced by #692236

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Manufacturer substitution
This part replaces 721-0208. Substitute parts can look different from the original.
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$6.56
13% OFF Phone Price : $7.56
In Stock
Ace Lawn & Garden Equipment Self-tapping Bolt, 5/16-18 X 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, Gw-7101260) 710-1260A
Ace lawn & garden equipment self-tapping bolt, 5/16-18 x 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, gw-7101260)

Part #710-1260A

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This item is not returnable
$4.25
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In Stock
Steering Shaft 738-0919
#24

Steering diagram

Steering shaft

Part #738-0919

Replaced by #738-0919B

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Manufacturer substitution
This part replaces 738-0919. Substitute parts can look different from the original.
BEST SELLER
$55.20
10% OFF Phone Price : $61.20
In Stock
Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

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This item is not returnable
$4.91
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In Stock
Yard Machines Lawn & Garden Equipment Bell Washer (replaces 936-0242) 736-0242
Yard machines lawn & garden equipment bell washer (replaces 936-0242)

Part #736-0242

This item is not returnable
$6.58
13% OFF Phone Price : $7.58
In Stock
Lawn Tractor Hex Bolt (replaces 910-0427, 910-3144) 710-3144
#10

Spindle assembly / deck brake diagram

Lawn tractor hex bolt (replaces 910-0427, 910-3144)

Part #710-3144

This item is not returnable
$5.64
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In Stock
Sears Lawn Tractor Screw 710-0627
Sears lawn tractor screw

Part #710-0627

This item is not returnable
$6.47
13% OFF Phone Price : $7.47
Back Order
Lock Washer 736-0119
#12

Engines/muffler diagram

Lock washer

Part #736-0119

Replaced by #936-0119

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Manufacturer substitution
This part replaces 736-0119. Substitute parts can look different from the original.
This item is not returnable
$6.05
14% OFF Phone Price : $7.05
In Stock
Toro Lawn Tractor Socket Screw (replaces 710-1314) 710-1314A
#5

Engines/muffler diagram

Toro lawn tractor socket screw (replaces 710-1314)

Part #710-1314A

This item is not returnable
$5.68
15% OFF Phone Price : $6.68
In Stock

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: faulty battery, bad alternator…

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

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.…

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.…

Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…