MTD
Gas Snowblower

Model # 31AE6LLG723 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AE6LLG723 snow thrower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 206 parts  |

Lawn & Garden Equipment Cotter Pin, 1/4- To 5/16-in 714-04040
#10

Auger & housing/chute diagram

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

Part #714-04040

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Shear Pin 738-04124
#20

Auger & housing/chute 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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Shave Plate 790-00120
#51

Auger & housing/chute diagram

Shave plate

Part #790-00120

Replaced by #790-00120-0637

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Manufacturer substitution
This part replaces 790-00120. Substitute parts can look different from the original.
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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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Toro Lawn & Garden Equipment Carriage Bolt (replaces 753-08024, 910-0451) 710-0451
#4

Auger & housing/chute diagram

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

Part #710-0451

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Shave Plate 790-00118
#51B

Auger & housing/chute 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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Clean-out Tool 731-2643
#1

Auger & housing/chute diagram

Clean-out tool

Part #731-2643

Replaced by #931-2643

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This part replaces 731-2643. Substitute parts can look different from the original.
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Knob Wing Nut 720-0284
#37

Handle/panel/chute control diagram

Knob wing nut

Part #720-0284

Replaced by #720-04072A

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This part replaces 720-0284. Substitute parts can look different from the original.
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Bearing 741-0919
#49

Gears diagram

Bearing

Part #741-0919

Replaced by #941-0919B

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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, stale fuel…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower chute control gearbox assembly

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your snowblowers

Use the advice and tips in these articles and videos to get the most out of your snowblower.

How to make your snowblower last longer

How to make your snowblower last longer

Learn the steps to take to adjust and maintain your snowblower so it lasts longer.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…