MTD
Gas Snowblower

Model # 31AE640F000 Official MTD gas snowthrower

Here are the diagrams and repair parts for Official MTD 31AE640F000 gas snowthrower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 198 parts  |

Shave Plate 784-5581A
#39

Blower housing diagram

Shave plate

Part #784-5581A

Replaced by #790-00120-0637

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Manufacturer substitution
This part replaces 784-5581A. Substitute parts can look different from the original.
BEST SELLER
$37.02
12% OFF Phone Price : $42.02
In Stock
Skid Shoe 784-5580
#38

Blower 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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Get free shipping with Automatic Reorder

$22.25
18% OFF Phone Price : $27.25
In Stock
Worm Gear 717-0528
#8

Gear assembly diagram

Worm gear

Part #717-0528

Replaced by #917-04861

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Manufacturer substitution
This part replaces 717-0528. Substitute parts can look different from the original.
BEST SELLER
$43.96
19% OFF MSRP : $54.00
In Stock
Knob Wing Nut 720-0284
#20

Handle assembly diagram

Knob wing nut

Part #720-0284

Replaced by #720-04072A

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Manufacturer substitution
This part replaces 720-0284. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.77
48% OFF MSRP : $11.00
In Stock
Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

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This item is not returnable
$4.91
17% OFF Phone Price : $5.91
In Stock
Snowblower Flange Bearing 741-0493A
#36

Blower housing diagram

Snowblower flange bearing

Part #741-0493A

Replaced by #741-0493C

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Manufacturer substitution
This part replaces 741-0493A. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
Bearing 741-0245
#33

Blower housing diagram

Bearing

Part #741-0245

Replaced by #941-0245

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Manufacturer substitution
This part replaces 741-0245. Substitute parts can look different from the original.
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$12.75
14% OFF Phone Price : $14.75
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Extension Cord 629-0071
Extension cord

Part #629-0071

Replaced by #929-0071B

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Manufacturer substitution
This part replaces 629-0071. Substitute parts can look different from the original.
BEST SELLER
$22.20
26% OFF MSRP : $30.00
In Stock
Lawn & Garden Equipment Carriage Bolt (replaces 910-0276, Af-44326) 710-0276
#7

Handle assembly diagram

Lawn & garden equipment carriage bolt (replaces 910-0276, af-44326)

Part #710-0276

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$5.17
16% OFF Phone Price : $6.17
In Stock
Lock Washer 736-0119
Lock washer

Part #736-0119

Replaced by #936-0119

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Manufacturer substitution
This part replaces 736-0119. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.05
14% OFF Phone Price : $7.05
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

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

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

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

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

Main causes: dirty carburetor, stale fuel…

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

Repair guides for gas snowblowers

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

How to replace snowblower skid shoes

How to replace snowblower skid shoes

To prevent damage to your snowblower auger, replace the skid shoes when both sides of the shoe are worn. It's an easy re…

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 …

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower electric starter

How to replace a snowblower electric starter

Replace the electric starter on your snowblower if it doesn't work.…

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

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