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MTD
Front-Engine Lawn Tractor

Model # 663 Official MTD lawn tractor

Here are the diagrams and repair parts for Official MTD 663 lawn tractor, as well as links to manuals and error code tables, if available.

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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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 714 parts  |
Lawn Mower Blade 742-0616A
#8A

Spindle assembly 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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$30.47 | 
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Lawn Tractor Blade 742-0616
#23

Deck "g" diagram

Lawn tractor blade

Part #742-0616

Replaced by #942-0616A

?
Manufacturer substitution
This part replaces 742-0616. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$30.47 | 
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Steering Shaft 738-0919
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.
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$55.20 | 
10% OFF Phone Price : $61.20
In Stock
Yard-man Lawn & Garden Equipment Hex Patch Bolt (replaces 910-1309) 710-1309
Yard-man lawn & garden equipment hex patch bolt (replaces 910-1309)

Part #710-1309

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$4.76 | 
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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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$4.91 | 
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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

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Sears Lawn Tractor Screw 710-0627
Sears lawn tractor screw

Part #710-0627

This item is not returnable
$6.47 | 
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Back Order
Extension Spring 732-0384
#66

Drive diagram

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
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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 | 
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Toro Lawn Tractor Socket Screw (replaces 710-1314) 710-1314A
#5

Engine 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

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