MTD
Front-Engine Lawn Tractor

Model # 820 THRU 829 Official MTD lawn tractor

Here are the diagrams and repair parts for Official MTD 820-THRU-829 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 646 parts  |

Lawn & Garden Equipment Hex Flange Nut (replaces 753-05549, 912-0417a) 712-0417A
Lawn & garden equipment hex flange nut (replaces 753-05549, 912-0417a)

Part #712-0417A

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$7.66
12% OFF Phone Price : $8.66
In Stock
Toro Lawn & Garden Equipment Carriage Bolt (replaces 753-08024, 910-0451) 710-0451
Toro lawn & garden equipment carriage bolt (replaces 753-08024, 910-0451)

Part #710-0451

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This item is not returnable
$5.22
16% OFF Phone Price : $6.22
In Stock
Flange Bearing 741-0660
Flange bearing

Part #741-0660

Replaced by #741-0660A

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Manufacturer substitution
This part replaces 741-0660. Substitute parts can look different from the original.
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This item is not returnable
$4.11
20% OFF Phone Price : $5.11
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Shoulder Bolt 738-3056
Shoulder bolt

Part #738-3056

Replaced by #938-3056

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Manufacturer substitution
This part replaces 738-3056. Substitute parts can look different from the original.
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$12.01
14% OFF Phone Price : $14.01
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Pivot Bar 683-0128A
Pivot bar

Part #683-0128A

Replaced by #683-0128B-0637

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Manufacturer substitution
This part replaces 683-0128A. Substitute parts can look different from the original.
$84.37
7% OFF Phone Price : $90.37
In Stock
Flange Bearing 741-0516
Flange bearing

Part #741-0516

Replaced by #741-0516B

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Manufacturer substitution
This part replaces 741-0516. Substitute parts can look different from the original.
$7.92
11% OFF Phone Price : $8.92
In Stock
Extension Spring 732-0384
Extension spring

Part #732-0384

Replaced by #932-0384

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Manufacturer substitution
This part replaces 732-0384. Substitute parts can look different from the original.
This item is not returnable
$18.62
10% OFF Phone Price : $20.62
In Stock
Yard Machines Lawn Tractor Bolt (replaces 01000668, 1982728, 1983620, 43001, 715326, 910-0253, 9711, B1100046, Gw-325284, Gw-750a, Gw-90012, Gw-9711, Gw-98068, Gw-98-068, Gw-b1100046, Gw-b70235, Gw-m6520008, Gw-pt/01395/00, Gw-pt/80153/00, Gw-t70235, Wd- 710-0514
Yard machines lawn tractor bolt (replaces 01000668, 1982728, 1983620, 43001, 715326, 910-0253, 9711, b1100046, gw-325284, gw-750a, gw-90012, gw-9711, gw-98068, gw-98-068, gw-b1100046, gw-b70235, gw-m6520008, gw-pt/01395/00, gw-pt/80153/00, gw-t70235, wd-

Part #710-0514

This item is not returnable
$5.33
16% OFF Phone Price : $6.33
In Stock
Air Valve 734-0255
Air valve

Part #734-0255

Replaced by #934-0255

?
Manufacturer substitution
This part replaces 734-0255. Substitute parts can look different from the original.
This item is not returnable
$5.43
16% OFF Phone Price : $6.43
In Stock
Lawn Tractor Tire (replaces 042408, 504-00403, 734-04641, 734-3187) 734-1727
Lawn tractor tire (replaces 042408, 504-00403, 734-04641, 734-3187)

Part #734-1727

$67.09
8% OFF Phone Price : $73.09
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: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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

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

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

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

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

Main causes: faulty battery, bad alternator…

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.

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How to replace the seat on a riding lawn mower

A broken seat can keep the mower from running.…

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How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Repair difficulty
Time required
 15 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 remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

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.…

Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…