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MTD
Gas Snowblower

Model # 31AM59TG799 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AM59TG799 snow thrower, 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 265 parts  |
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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$4.40 | 
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Toro Lawn & Garden Equipment Carriage Bolt (replaces 753-08024, 910-0451) 710-0451
#4

Auger housing/gearbox/spiral 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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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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Yard Machines Lawn Tractor Flange Nut (replaces 00012173, Wd-129-103) 712-04065
Yard machines lawn tractor flange nut (replaces 00012173, wd-129-103)

Part #712-04065

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$5.27 | 
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Snowblower Steering Control Trigger 731-06113
#20

Handles/engine diagram

Snowblower steering control trigger

Part #731-06113

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$6.53 | 
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Yard-man Snowblower Spring 732-04460
#14

Auger housing/gearbox/spiral diagram

Yard-man snowblower spring

Part #732-04460

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$7.20 | 
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Snowblower Clean-out Tool (replaces 731-2643) 931-2643
#18

Auger housing/gearbox/spiral diagram

Snowblower clean-out tool (replaces 731-2643)

Part #931-2643

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$25.67 | 
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Snowblower Chute Gearbox Assembly (replaces 918-04801a) 918-04801B
#7

Chute diagram

Snowblower chute gearbox assembly (replaces 918-04801a)

Part #918-04801B

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$149.43 | 
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Yard Machines Lawn & Garden Equipment Bell Washer (replaces 936-0242) 736-0242
#16

Auger housing/gearbox/spiral diagram

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

Part #736-0242

This item is not returnable
$6.58 | 
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Lawn & Garden Equipment Hex Head Screw 710-0895
#22

Chute diagram

Lawn & garden equipment hex head screw

Part #710-0895

$8.20 | 
11% OFF Phone Price : $9.20
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Symptoms for gas snowblowers

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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 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 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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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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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 start?

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

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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 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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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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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 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.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

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Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower friction disc

How to replace a snowblower friction disc

The friction disc is one of the components of the drive system. If it's worn or damaged, the snowblower won't self-prope…

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 15 minutes or less

Effective articles & videos to help repair your snowblowers

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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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