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MTD 644E gas snowthrower

MTD 644E gas snowthrower Parts

Here are the diagrams and repair parts for MTD 644E gas snowthrower, as well as links to manuals and error code tables, if available.

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Browse Parts for 644E Snowblowers

  • Toro Lawn & Garden Equipment Lock Washer for MTD 644E - Part 736-0169

    Gear assembly/housing diagram

    Toro Lawn & Garden Equipment Lock Washer

    Part #736-0169
    This item is not returnable
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    $5.60
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  • Mtd Snowblower Skid Shoe (polo Green) for MTD 644E - Part 784-5580-0637

    Gear assembly/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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    In Stock
    $26.87
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  • Snowblower Chute Deflector for MTD 644E - Part 731-04426C

    Control panel/handle diagram

    Uppper Chute

    Part #731-0921

    Replaced by #731-04426C

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    This part replaces 731-0921. Substitute parts can look different from the original.
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    $31.47
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  • Lawn & Garden Equipment Bushing for MTD 644E - Part 941-0475

    Gear assembly/housing diagram

    Bushing

    Part #741-0475

    Replaced by #941-0475

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    This part replaces 741-0475. Substitute parts can look different from the original.
    This item is not returnable
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    $6.22
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  • Snowblower Flange Bearing for MTD 644E - Part 741-0493C

    Gear assembly/housing diagram

    Snowblower Flange Bearing

    Part #741-0493A

    Replaced by #741-0493C

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    This part replaces 741-0493A. Substitute parts can look different from the original.
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    $40.33
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  • Mtd Snowblower Gearbox Worm Gear Key for MTD 644E - Part 914-0161

    Key/housing diagram

    High Pro Key

    Part #714-0161

    Replaced by #914-0161

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    This part replaces 714-0161. Substitute parts can look different from the original.
    This item is not returnable
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    $7.76
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  • Mtd Snowblower Auger, Right for MTD 644E - Part 684-04184-0637

    Gear assembly/housing diagram

    Spiral Assembly

    Part #605-5196A

    Replaced by #684-04184-0637

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    This part replaces 605-5196A. Substitute parts can look different from the original.
    In Stock
    $227.28
    5% OFF Phone Price : $239.28Info Icon
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  • Mtd Lawn Tractor Sector Gear Plate for MTD 644E - Part 917-04094

    Friction wheel/gears/frame cover diagram

    Shaft-875 He

    Part #717-1444

    Replaced by #917-04094

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    Manufacturer substitution
    This part replaces 717-1444. Substitute parts can look different from the original.
    In Stock
    $107.23
    10% OFF Phone Price : $119.23Info Icon
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  • Snowblower Chute Crank for MTD 644E - Part 984-0022

    Control panel/handle diagram

    Crank(can.70

    Part #705-5204A

    Replaced by #984-0022

    Info Icon
    Manufacturer substitution
    This part replaces 705-5204A. Substitute parts can look different from the original.
    In Stock
    $131.16
    8% OFF Phone Price : $143.16Info Icon
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  • Lawn Tractor Flange Bearing for MTD 644E - Part 941-0598

    Friction wheel/gears/frame cover diagram

    Flange Bearing

    Part #741-0598

    Replaced by #941-0598

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    Manufacturer substitution
    This part replaces 741-0598. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $19.78
    9% OFF Phone Price : $21.78Info Icon
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Most common symptoms to help you fix your snowblowers

Choose a symptom to see related snowblower repairs.

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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 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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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 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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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 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 time and Difficulty

 15 minutes or less
How to rebuild a snowblower carburetor

How to rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…

Read more

Repair time and Difficulty

 45 minutes or less
How to replace a snowblower 4-way chute control assembly

How to replace a snowblower 4-way chute control assembly

Replace the 4-way chute control assembly on your snowblower if it’s damaged.…

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Repair time and Difficulty

 30 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 find the age of your Craftsman snowblower

How to find the age of your Craftsman snowblower

If you're looking for the age of you Craftsman snowblower, our guide will help.…

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How to adjust the snowblower drive control cable video

How to adjust the snowblower drive control cable video

Proper drive control cable tension is key to smooth snowblower operation, and you can learn how to test and adjust it yo…

Read more
How to lubricate a snowblower drive hex shaft video

How to lubricate a snowblower drive hex shaft video

Avoid costly snowblower repairs this season. Watch how to lubricate the drive hex shaft to prevent friction, improve tra…

Read more

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