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MTD
Gas Snowblower

Model # 31AH8ESJ799 Official MTD gas snow blower

Here are the diagrams and repair parts for Official MTD 31AH8ESJ799 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 403 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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$2.91 | 
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Troybilt Snowblower Shear Pin (replaces 738-04124) 738-04124A
#36

Auger & housing/gearbox diagram

Troybilt snowblower shear pin (replaces 738-04124)

Part #738-04124A

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$2.99 | 
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Toro Lawn & Garden Equipment Carriage Bolt (replaces 753-08024, 910-0451) 710-0451
#7

Auger & housing/gearbox diagram

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

Part #710-0451

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$5.42 | 
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Snowblower Auger Shaft Gear (replaces 717-04861, 917-0528a) 917-04861
#45

Auger & housing/gearbox diagram

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

Part #917-04861

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$47.16 | 
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Yard-man Snowblower Spring 732-04460
#16

Auger & housing/gearbox diagram

Yard-man snowblower spring

Part #732-04460

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$7.20 | 
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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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$4.93 | 
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Snowblower Clean-out Tool (replaces 731-2643) 931-2643
#13

Auger & housing/gearbox diagram

Snowblower clean-out tool (replaces 731-2643)

Part #931-2643

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$25.67 | 
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Yard Machines Lawn & Garden Equipment Bell Washer (replaces 936-0242) 736-0242
#18

Auger & housing/gearbox diagram

Yard machines lawn & garden equipment bell washer (replaces 936-0242)

Part #736-0242

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Snowblower Flange Bearing (replaces 741-0493a) 741-0493C
#37

Auger & housing/gearbox diagram

Snowblower flange bearing (replaces 741-0493a)

Part #741-0493C

$7.63
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Snowblower Friction Wheel Assembly (replaces 935-04054) 935-04054A
#56

Drive shaft/wheels diagram

Snowblower friction wheel assembly (replaces 935-04054)

Part #935-04054A

$47.79 | 
11% OFF Phone Price : $53.79
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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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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 does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

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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 engine run rough?

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

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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 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 chute turn?

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

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Why won't my snowblower clear snow well?

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

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

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 15 minutes or less
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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.…

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