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MTD
Rear-Engine Riding Mower

Model # 320 Official MTD rear engine riding mower

Here are the diagrams and repair parts for Official MTD 320 rear engine riding mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 322 parts  |
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

BEST SELLER
This item is not returnable
$4.91 | 
17% OFF Phone Price : $5.91
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

BEST SELLER
This item is not returnable
$6.58 | 
13% OFF Phone Price : $7.58
In Stock
Sears Lawn Tractor Screw 710-0627
#10

Wheel/tire/rim diagram

Sears lawn tractor screw

Part #710-0627

This item is not returnable
$6.47 | 
13% OFF Phone Price : $7.47
In Stock
Unknown Brand Name #689 Lawn Tractor Flat Washer 736-0262
#29

Shift cam/deck pedal diagram

Unknown brand name #689 lawn tractor flat washer

Part #736-0262

This item is not returnable
$5.11 | 
16% OFF Phone Price : $6.11
In Stock
Lock Washer 736-0119
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
Flange Bearing 741-0516
#39

Frame/engine duct diagram

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
Idler Pulley 756-0981A
#29

Idler bracket/frame diagram

Idler pulley

Part #756-0981A

Replaced by #756-04224

?
Manufacturer substitution
This part replaces 756-0981A. Substitute parts can look different from the original.
$24.96 | 
19% OFF Phone Price : $30.96
In Stock
Wing Nut 712-0397
Wing nut

Part #712-0397

Replaced by #712-0397A

?
Manufacturer substitution
This part replaces 712-0397. Substitute parts can look different from the original.
This item is not returnable
$5.22 | 
16% OFF Phone Price : $6.22
In Stock
Lawn & Garden Equipment Hex Cap Screw 710-0751
#9

Frame/engine duct diagram

Lawn & garden equipment hex cap screw

Part #710-0751

This item is not returnable
$5.12 | 
16% OFF Phone Price : $6.12
In Stock
Lawn Tractor Tire (replaces 042408, 504-00403, 734-04641, 734-3187) 734-1727
#3

Wheel/tire/rim diagram

Lawn tractor tire (replaces 042408, 504-00403, 734-04641, 734-3187)

Part #734-1727

$67.09 | 
8% OFF Phone Price : $73.09
In Stock

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Why won't my riding mower cut grass?

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

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How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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How do I fix a flat tire on my riding mower?

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

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Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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Why is the steering loose on my riding mower?

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

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Why does my riding mower creep in neutral?

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

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Why does my riding mower run rough or misfire?

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

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Why won't my riding mower move?

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

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Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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