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MTD
Gas Snowblower

Model # 31AE5MLG729 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AE5MLG729 snow thrower, 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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Owner’s manual

Model diagram and schematic

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Showing 10 of 204 parts  |
Lawn & Garden Equipment Cotter Pin, 1/4- To 5/16-in 714-04040
#64

Auger & housing diagram

Lawn & garden equipment cotter pin, 1/4- to 5/16-in

Part #714-04040

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Shear Pin 738-04124
#56

Auger & housing diagram

Shear pin

Part #738-04124

Replaced by #738-04124A

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Manufacturer substitution
This part replaces 738-04124. Substitute parts can look different from the original.
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Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591) 712-04063
Yard machines lawn & garden equipment lock nut, 5/16-18 (replaces 753-05591)

Part #712-04063

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Belt 754-04050
#72

Drive diagram

Belt

Part #754-04050

Replaced by #954-04050A

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Manufacturer substitution
This part replaces 754-04050. Substitute parts can look different from the original.
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$22.79 | 
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Yard Machines Lawn & Garden Equipment Nut 712-04064
Yard machines lawn & garden equipment nut

Part #712-04064

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$4.49 | 
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Toro Lawn & Garden Equipment Carriage Bolt (replaces 753-08024, 910-0451) 710-0451
#37

Auger & housing diagram

Toro lawn & garden equipment carriage bolt (replaces 753-08024, 910-0451)

Part #710-0451

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Shave Plate 790-00118
#39

Auger & housing diagram

Shave plate

Part #790-00118

Replaced by #790-00118-0637

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Manufacturer substitution
This part replaces 790-00118. Substitute parts can look different from the original.
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$41.50 | 
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Clean-out Tool 731-2643
#9

Auger & housing diagram

Clean-out tool

Part #731-2643

Replaced by #931-2643

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Manufacturer substitution
This part replaces 731-2643. Substitute parts can look different from the original.
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Bearing 741-0919
#52

Drive diagram

Bearing

Part #741-0919

Replaced by #941-0919B

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Manufacturer substitution
This part replaces 741-0919. Substitute parts can look different from the original.
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Knob Wing Nut 720-0284
#46

Handles diagram

Knob wing nut

Part #720-0284

Replaced by #720-04072A

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Manufacturer substitution
This part replaces 720-0284. Substitute parts can look different from the original.
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