MTD
Gas Snowblower

Model # 31AE6GKG731 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AE6GKG731 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 219 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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Belt 754-04050
#54

Drive/wheels diagram

Belt

Part #754-04050

Replaced by #256963

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

Part #710-0451

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Yard Machines Lawn Tractor Flange Nut (replaces 00012173, Wd-129-103) 712-04065
#9

Auger & housing/chute diagram

Yard machines lawn tractor flange nut (replaces 00012173, wd-129-103)

Part #712-04065

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Skid Shoe 784-5580
#35A

Auger & housing/chute diagram

Skid shoe

Part #784-5580

Replaced by #784-5580-0637

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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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Extension Cord 629-0071
#36

Auger & housing/chute diagram

Extension cord

Part #629-0071

Replaced by #929-0071B

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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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

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

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

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

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

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

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

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.…