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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.
Owner’s manualBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for 644E Snowblowers
Gear assembly/housing diagram
Mtd Lawn Tractor Screw
Part #710-0604AThis item is not returnableIn Stock$6.6313% OFF Phone Price : $7.63
Qty
Gear assembly/housing diagram
Washer
Part #736-0463This item is not returnableIn Stock$8.20QtyControl panel/handle diagram
Mtd Snowblower Handle Lever Bumper
In Stock$35.74QtyControl panel/handle diagram
Mtd Snowblower Push Nut
Part #726-0100This item is not returnableIn Stock$7.86QtyFriction wheel/gears/frame cover diagram
Wheel Assembly
Part #684-0042CReplaced by #984-0042C
Manufacturer substitutionThis part replaces 684-0042C. Substitute parts can look different from the original.In Stock$177.236% OFF Phone Price : $189.23QtyPulley
Part #748-0360Replaced by #948-0360
Manufacturer substitutionThis part replaces 748-0360. Substitute parts can look different from the original.This item is not returnableIn Stock$36.7114% OFF Phone Price : $42.71QtyClick Pin
Part #714-0143Replaced by #714-0143A
Manufacturer substitutionThis part replaces 714-0143. Substitute parts can look different from the original.This item is not returnableIn Stock$11.7915% OFF Phone Price : $13.79QtyFriction wheel/gears/frame cover diagram
Roll Pin
Part #715-0249Replaced by #915-0249
Manufacturer substitutionThis part replaces 715-0249. Substitute parts can look different from the original.This item is not returnableIn Stock$12.4014% OFF Phone Price : $14.40QtyFriction wheel/gears/frame cover diagram
Hub
Part #718-0301AReplaced by #984-0042C
Manufacturer substitutionThis part replaces 718-0301A. Substitute parts can look different from the original.In Stock$177.236% OFF Phone Price : $189.23QtyFriction wheel/gears/frame cover diagram
Hex Screw
Part #738-0924Replaced by #738-0924A
Manufacturer substitutionThis part replaces 738-0924. Substitute parts can look different from the original.This item is not returnableIn Stock$12.4014% OFF Phone Price : $14.40Qty
Most common symptoms to help you fix your snowblowers
Choose a symptom to see related snowblower repairs.
Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…
Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…
Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…
Main causes: dirty carburetor, stale fuel…
Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…
Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …
Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…
Repair guides for gas snowblowers
These step-by-step repair guides will help you safely fix what’s broken on your snowblower.
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.…
Repair time and Difficulty
15 minutes or less
How to rebuild a snowblower carburetor
Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…
Repair time and Difficulty
45 minutes or less
How to replace a snowblower 4-way chute control assembly
Replace the 4-way chute control assembly on your snowblower if it’s damaged.…
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.
Find easy DIY tips to fix your snowblower when it won't start…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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