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MTD
Front-Engine Lawn Tractor

Model # 677 Official MTD lawn tractor

Here are the diagrams and repair parts for Official MTD 677 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 474 parts  |
Lawn Tractor Blade 742-0616
#23

Deck "g" diagram

Lawn tractor blade

Part #742-0616

Replaced by #942-0616A

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Manufacturer substitution
This part replaces 742-0616. Substitute parts can look different from the original.
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Get free shipping with Automatic Reorder

$30.47 | 
16% OFF Phone Price : $36.47
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Gasket 721-0208
Gasket

Part #721-0208

Replaced by #692236

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Manufacturer substitution
This part replaces 721-0208. Substitute parts can look different from the original.
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$6.76 | 
13% OFF Phone Price : $7.76
In Stock
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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$8.00 | 
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Hex Screw 710-1260
Hex screw

Part #710-1260

Replaced by #710-1260A

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Manufacturer substitution
This part replaces 710-1260. Substitute parts can look different from the original.
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$4.34 | 
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Lawn Mower Dust Cover 731-0484A
#37

Steering 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.
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$7.36 | 
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In Stock
Steering Shaft 738-0919
#54

Steering diagram

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 | 
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In Stock
Yard-man Lawn & Garden Equipment Hex Patch Bolt (replaces 910-1309) 710-1309
#43

Steering diagram

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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Cap 748-0389
#46

Steering diagram

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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$7.69 | 
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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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$6.58 | 
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