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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 manualBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for 31A-3CAD729 Snowblowers
Handle/frame/drive system diagram
Axle
Part #738-1231Replaced by #738-04321
Manufacturer substitutionThis part replaces 738-1231. Substitute parts can look different from the original.In Stock$63.549% OFF Phone Price : $69.54
Qty
Handle/frame/drive system diagram
Carriage Bolt
Part #710-0449Replaced by #710-0572
Manufacturer substitutionThis part replaces 710-0449. Substitute parts can look different from the original.This item is not returnableIn Stock$7.7711% OFF Phone Price : $8.77QtyHandle/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$11.86QtyAuger & housing/discharge chute diagram
Spring
Part #732-0611Replaced by #932-0611
Manufacturer substitutionThis part replaces 732-0611. Substitute parts can look different from the original.This item is not returnableIn Stock$11.1815% OFF Phone Price : $13.18QtyAuger & 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 : $36.97QtyHandle/frame/drive system diagram
Upper Handle
Part #749-1092AReplaced by #749-1092A-0637
Manufacturer substitutionThis part replaces 749-1092A. Substitute parts can look different from the original.In Stock$44.8140% OFF Was : $74.89QtyAuger & housing/discharge chute diagram
Bearing
Part #741-0309Replaced by #941-0309
Manufacturer substitutionThis part replaces 741-0309. Substitute parts can look different from the original.In Stock$58.339% OFF Phone Price : $64.33QtyAuger & housing/discharge chute diagram
Screw:w/stud
Part #710-04606Replaced by #710-04606A
Manufacturer substitutionThis part replaces 710-04606. Substitute parts can look different from the original.This item is not returnableIn Stock$13.46QtyAuger & housing/discharge chute diagram
Chute Assembly
Part #684-04037Replaced by #984-04037
Manufacturer substitutionThis part replaces 684-04037. Substitute parts can look different from the original.In Stock$73.7330% OFF Was : $106.00QtyAuger & housing/discharge chute diagram
Snowblower Auger Assembly, Right
Part #684-04114AReplaced by #684-04114A-0637
Manufacturer substitutionThis part replaces 684-04114A. Substitute parts can look different from the original.In Stock$104.3810% OFF Phone Price : $116.38Qty
Most common symptoms to help you fix your snowblowers
Choose a symptom to see related snowblower repairs.
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…
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: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …
Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…
Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…
Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…
Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…
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.
If you're looking for the age of you Craftsman snowblower, our guide will help.…
Proper drive control cable tension is key to smooth snowblower operation, and you can learn how to test and adjust it yo…
Avoid costly snowblower repairs this season. Watch how to lubricate the drive hex shaft to prevent friction, improve tra…
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