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MTD
Front-Engine Lawn Tractor

Model # 660 Official MTD lawn tractor

Here are the diagrams and repair parts for Official MTD 660 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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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 712 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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Lawn Mower Dust Cover 731-0484A
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.
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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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Joint Assembly 723-0448
Joint assembly

Part #723-0448

Replaced by #923-0448A

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Manufacturer substitution
This part replaces 723-0448. Substitute parts can look different from the original.
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Joint Assembly 723-0448A
#14

Steering wheel diagram

Joint assembly

Part #723-0448A

Replaced by #923-0448A

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Manufacturer substitution
This part replaces 723-0448A. Substitute parts can look different from the original.
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Ball Bearing 741-0600
#20

Transmission diagram

Ball bearing

Part #741-0600

Replaced by #941-0600

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Manufacturer substitution
This part replaces 741-0600. Substitute parts can look different from the original.
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Pulley-varia 656-0059A
#2

Transmission diagram

Pulley-varia

Part #656-0059A

Replaced by #656P05011

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Manufacturer substitution
This part replaces 656-0059A. Substitute parts can look different from the original.
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Cap 748-0389
Cap

Part #748-0389

Replaced by #948-0389

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Manufacturer substitution
This part replaces 748-0389. Substitute parts can look different from the original.
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Lawn Tractor Hex Bolt (replaces 910-0427, 910-3144) 710-3144
#10

Blades diagram

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

Part #710-3144

This item is not returnable
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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
$18.62 | 
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