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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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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 322 parts  |
Lawn Mower Dust Cover 731-0484A
#15

Wheel/tire/rim diagram

Lawn mower dust cover

Part #731-0484A

Replaced by #931-0484A

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Manufacturer substitution
This part replaces 731-0484A. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$7.05 | 
12% OFF Phone Price : $8.05
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

BEST SELLER
This item is not returnable
$4.91 | 
17% OFF Phone Price : $5.91
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
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
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$6.58 | 
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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
Idler Pulley 756-0981A
#29

Idler bracket/frame diagram

Idler pulley

Part #756-0981A

Replaced by #756-04224

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Manufacturer substitution
This part replaces 756-0981A. Substitute parts can look different from the original.
$23.42 | 
20% OFF Phone Price : $29.42
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
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
Wing Nut 712-0397
Wing nut

Part #712-0397

Replaced by #712-0397A

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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 Screw, 3/8-16 X 1-3/4-in 710-0347
#7

Deck/spindle/belt/blade diagram

Lawn & garden equipment screw, 3/8-16 x 1-3/4-in

Part #710-0347

This item is not returnable
$7.69 | 
12% OFF Phone Price : $8.69
In Stock

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