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MTD
Gas Snowblower

Model # 31AH6ZFH500 Official MTD snow thrower

Here are the diagrams and repair parts for Official MTD 31AH6ZFH500 snow thrower, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 512 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
#32

Auger & housing diagram

Troybilt snowblower shear pin (replaces 738-04124)

Part #738-04124A

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$2.99 | 
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Lawn & Garden Equipment Hex Flange Nut (replaces 753-05549, 912-0417a) 712-0417A
#9

Wheel assembly diagram

Lawn & garden equipment hex flange nut (replaces 753-05549, 912-0417a)

Part #712-0417A

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Belt 754-04050
#58

Wheel assembly diagram

Belt

Part #754-04050

Replaced by #256963

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Manufacturer substitution
This part replaces 754-04050. Substitute parts can look different from the original.
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$32.96 | 
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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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Cable 746-04396A
#38

Handle panel assembly diagram

Cable

Part #746-04396A

Replaced by #946-04396A

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Manufacturer substitution
This part replaces 746-04396A. Substitute parts can look different from the original.
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$28.56 | 
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Belt 754-04195
#58A

Wheel assembly diagram

Belt

Part #754-04195

Replaced by #490-501-Y080

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Manufacturer substitution
This part replaces 754-04195. Substitute parts can look different from the original.
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$32.27 | 
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V-belt 754-04260
#59

Wheel assembly diagram

V-belt

Part #754-04260

Replaced by #490-501-Y005

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Manufacturer substitution
This part replaces 754-04260. Substitute parts can look different from the original.
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Skid Shoe 784-5580
#44

Auger & housing diagram

Skid shoe

Part #784-5580

Replaced by #784-5580-0637

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Manufacturer substitution
This part replaces 784-5580. Substitute parts can look different from the original.
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$22.25 | 
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Mtd Snowblower Skid Shoe 731-06439
#66

Auger & housing diagram

Mtd snowblower skid shoe

Part #731-06439

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$29.13 | 
17% OFF Phone Price : $35.13
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

View all

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 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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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 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.…

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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.…

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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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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.…

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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.…

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