MTD + Gas snowblower parts > MTD gas snowblower parts

MTD E644E mtd snow thrower repair and replacement parts

Here are the repair parts and diagrams for your MTD E644E mtd snow thrower. The diagram(s) below can help you find the right part. If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.
On this page, you can also find any manuals, installation guides and error code tables associated with this model.
For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

Search parts in this model

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Displaying 200 parts

All parts
Assembly instructions page 3
Assembly instructions/controls
Operation/adjustments
Contents of hardware pack
Controls
Operation
Gear assembly
Frame/wheel assembly chart page 2
Frame/wheel assembly
Finding model #/customer support
Assembly instructions page 2
Assembly instructions page 5
Operation
Snow thrower
Important safe operation practices
Assembly instructions
Assembly instructions page 2
Operation page 2
Manufacturer`s limited warranty
Handle assembly
Handle assembly page 2
Blower housing
Handle assembly
Snow thrower
Assembly instructions page 4
Adjustments
Warranty/back cover
Blower housing page 2
Engine/v-belts page 2
Blower housing page 2
Important safe operation practices
Assembly instructions
Lubrication/maintenance
Maintenance.
Finding model #
Important safe operation practices page 2
Assembly instructions page 3
Assembly instructions page 5
Adjustments
Adjustments/lubrication
Lubrication/maintenance
Maintenance
Manufacturer's limited warranty
Handle assembly page 2
Frame/wheel assembly page 2
Engine and v-belts
Engine and v-belts page 2
Important safe operation practices page 2
Contents of hardware pack
Controls/operation
Maintenance/off-season storage
Troubleshooting guide
Assembly instructions page 4
Off-season storage
Troubleshooting guide
Blower housing
Frame/wheel assembly chart

Wheel assembly

Part #734-1714

The manufacturer no longer makes this part, and there's no substitute part

Snowblower wheel axle

$78.28

Part #738-0869

In Stock

Qty

Snowblower wheel axle gear

$60.40

Part #717-1445

In Stock

Qty

Clutch lever

Part #705-5233

The manufacturer no longer makes this part, and there's no substitute part

Capscrew .31

Part #710-1245

The manufacturer no longer makes this part, and there's no substitute part

Tire snow housing

$103.06

Part #734-1530

In Stock

Qty

Bracket-lh p

Part #705-5275

The manufacturer no longer makes this part, and there's no substitute part

Control panel

Part #684-0104

The manufacturer no longer makes this part, and there's no substitute part

Lawn mower ground drive belt

$18.68

Part #954-0343

In Stock

This part replaces #754-0343

Qty

Lawn tractor roll pin

$2.85

Part #915-0143

In Stock

This part replaces #715-0143

This item is not returnable.

Qty

Lawn tractor nut

$2.91

Part #912-3027

In Stock

This part replaces #712-3027

This item is not returnable.

Qty

Snowblower friction disc

$70.73

Part #956-0012A

In Stock

This part replaces #656-0012A

Qty

Lawn & garden equipment screw

$2.69

Part #710-0805A

In Stock

This part replaces #710-0805

This item is not returnable.

Qty

Knob

$2.49

Part #720-0232

In Stock

This part replaces #720-0232

This item is not returnable.

Qty

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Won't start

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

Auger not turning

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

Won't self propel

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

Tire is damaged

Main causes: punctured tire, damaged rim

Chute won't turn

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

Won't throw snow far enough

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

Won't stay running

Main causes: dirty carburetor, stale fuel

Won't clear snow well

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

Needs tune-up

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

Repair guides for gas snowblowers

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

December 1, 2015

How to replace a snowblower spark plug

By Lyle Weischwill

You need a spark to fire up the engine of your snowblower, and that spark comes from a spark plug. You can replace one in minutes.

Repair difficulty

Time required

15 minutes or less

December 1, 2015

How to replace a snowblower stop switch

By Lyle Weischwill

Replace the stop switch on your snowblower if your engine won't start.

Repair difficulty

Time required

30 minutes or less

December 1, 2015

How to replace a snowblower skid shoe

By Lyle Weischwill

To prevent damage to your snowblower auger, replace the skid shoes when both sides of the shoe are worn. It's an easy repair that you can handle yourself.

Repair difficulty

Time required

15 minutes or less

Articles and videos for gas snowblowers

Use the advice and tips in these articles and videos to get the most out of your snowblower.

November 1, 2015

How to install an auger paddle on an Ariens single-stage snowblower video

By Sears PartsDirect staff