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MTD 31A-3CAD729 snow thrower Parts
Here are the diagrams and repair parts for MTD 31A-3CAD729 snow thrower, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for31A-3CAD729 Snowblowers
Auger & housing/discharge chute diagram
Brkt-auger W
Part #784-0434Replaced by #784-0434C-0637
Manufacturer substitutionThis part replaces 784-0434. Substitute parts can look different from the original.This item is not returnableIn Stock$30.9716% OFF Phone Price : $36.97
Qty
Handle/frame/drive system 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 : $14.40QtyAuger & housing/discharge chute diagram
Gearbox
Part #618-04292AReplaced by #918-04292C
Manufacturer substitutionThis part replaces 618-04292A. Substitute parts can look different from the original.In Stock$287.10$12.00 OFF Phone Price : $299.10QtyHandle/frame/drive system diagram
Spacer
Part #750-1355Replaced by #950-1355
Manufacturer substitutionThis part replaces 750-1355. Substitute parts can look different from the original.In Stock$33.85QtyLawn & Garden Equipment Cable Tie
Part #725-0157Replaced by #726-0178
Manufacturer substitutionThis part replaces 725-0157. Substitute parts can look different from the original.This item is not returnableIn Stock$25.46QtyHandle/frame/drive system diagram
Snowblower Wheel Axle Gear, 14-tooth
Part #717-04066AThis item is not returnableIn Stock$20.3240% OFF Was : $33.87QtyHandle/frame/drive system diagram
Mtd Lawn & Garden Equipment Washer
Part #736-0505This item is not returnableIn Stock$33.85QtyAuger & housing/discharge chute diagram
Mtd Lawn & Garden Equipment Carriage Bolt
Part #710-04071This item is not returnableIn Stock$8.1311% OFF Phone Price : $9.13QtyAuger & housing/discharge chute diagram
Snowblower Chute Handle
Part #731-04388AThis item is not returnableIn Stock$35.8814% OFF Phone Price : $41.88QtyAuger & housing/discharge chute diagram
Screw
In Stock$39.56Qty
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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