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MTD
Gas Snowblower

Model # 31AH5DTH799 Official MTD gas snow blower

Here are the diagrams and repair parts for Official MTD 31AH5DTH799 gas snow blower, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 379 parts  |
Lawn & Garden Equipment Cotter Pin, 1/4- To 5/16-in 714-04040
Lawn & garden equipment cotter pin, 1/4- to 5/16-in

Part #714-04040

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Troybilt Snowblower Shear Pin (replaces 738-04124) 738-04124A
#21

Auger housing/spiral diagram

Troybilt snowblower shear pin (replaces 738-04124)

Part #738-04124A

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Toro Lawn & Garden Equipment Carriage Bolt (replaces 753-08024, 910-0451) 710-0451
#4

Auger housing/spiral diagram

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

Part #710-0451

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Snowblower Speed Selector Cable (replaces 746-04396, 746-04396a) 946-04396A
#29

Handles/engine/belts diagram

Snowblower speed selector cable (replaces 746-04396, 746-04396a)

Part #946-04396A

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Snowblower Steering Control Trigger 731-06113
#20

Handles/engine/belts diagram

Snowblower steering control trigger

Part #731-06113

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Snowblower Auger Drive Belt, 1/2 X 37-in 954-04195A
#68

Handles/engine/belts diagram

Snowblower auger drive belt, 1/2 x 37-in

Part #954-04195A

Replaced by #490-501-Y080

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Manufacturer substitution
This part replaces 954-04195A. Substitute parts can look different from the original.
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Snowblower Auger Shaft Gear (replaces 717-04861, 917-0528a) 917-04861
#46

Auger housing/spiral diagram

Snowblower auger shaft gear (replaces 717-04861, 917-0528a)

Part #917-04861

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Snowblower Ground Drive Belt, 3/8 X 36-1/8-in (replaces 754-04201a, 954-04201, Oem-754-04201) 954-04201A
#56

Handles/engine/belts diagram

Snowblower ground drive belt, 3/8 x 36-1/8-in (replaces 754-04201a, 954-04201, oem-754-04201)

Part #954-04201A

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Lawn Tractor Self-tapping Screw, 5/16-18 X 3/4-in (replaces 01008620) 710-04484
Lawn tractor self-tapping screw, 5/16-18 x 3/4-in (replaces 01008620)

Part #710-04484

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Yard-man Snowblower Spring 732-04460
#14

Auger housing/spiral diagram

Yard-man snowblower spring

Part #732-04460

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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

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Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

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Why does my snowblower engine run rough?

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

Read more

Why won't my snowblower start?

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

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Why won't my snowblower chute turn?

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

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Why doesn't my snowblower self propel?

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

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Why won't my snowblower throw snow far enough?

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

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Why doesn't my snowblower auger turn?

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

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How do I tune up my snowblower?

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

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Repair guides for gas snowblowers

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

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How to replace a snowblower fuel filter

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

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 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.…

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 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.…

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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.

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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.…

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