Parts for 12AC829C755 — MTD

We found 26 parts confirmed to fit the MTD 12AC829C755.

Compatibility table

All 26 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
7140174Cotter Pin2 models$5.95 · Amazon
96404047Lawn Mower Grass Bag Assembly2 models$145.24 · Amazon
95604156BEngine Pulley5 models$13.86 · Amazon
95604157BEngine Pulley5 models$25.07 · Amazon
94604195Lawn Mower Drive Control Cable5 models$59.89 · Amazon
78701262Bracket6 models$11.77 · Amazon
73105100Lawn Mower Lever6 models$5.05 · Amazon
75305089Lawn Tractor Ground Drive or Blade Drive Belt6 models$76.24 · Amazon
75305351Transmission6 models$197.23 · Amazon
71004223Troy-Bilt Screw - M6 X6 models$10.74 · Amazon
64704051B0637Lawn Mower Grass Bag Frame7 models$88.02 · Amazon
7101802Special Screw7 models$6.63 · Amazon
71004374Lawn Mower Screw10 models$29.79 · Amazon
74804073CYard-Man Bearing10 models$40.53 · Amazon
94604213MTD Lawn Mower Zone Control Cable11 models$46.44 · Amazon
74104116Troy-Bilt Bearing:Ball11 models$18.17 · Amazon
7100260ALawn & Garden Equipment Carriage Bolt30 models$7.72 · Amazon
7123027Hex Flange102 models$2.16 · Amazon
7480376CLawn Mower Blade Adapter143 models$29.13 · Amazon
7123004AAce Lawn & Garden Equipment Flange Lock Nut187 models$5.81 · Amazon
7420741Blade-21" Mu216 models$17.37 · Amazon
7360451Washer226 models$7.86 · Amazon
7200284Knob Wing Nut391 models$11.23 · Amazon
7100703MTD Lawn & Garden Equipment Carriage Bolt397 models$7.62 · Amazon
7101205Yard Machines Lawn & Garden Equipment Guide Bolt550 models$5.92 · Amazon
7100599MTD Lawn Tractor Screw1,116 models$5.81 · Amazon

Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.

Common failure areas on this model

The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Parts in this group on 12AC829C755: 7140174 (Cotter Pin), 96404047 (Lawn Mower Grass Bag Assembly), 94604195 (Lawn Mower Drive Control Cable), 73105100 (Lawn Mower Lever), 75305351 (Transmission), 64704051B0637 (Lawn Mower Grass Bag Frame), 74804073C (Yard-Man Bearing), 94604213 (MTD Lawn Mower Zone Control Cable), 74104116 (Troy-Bilt Bearing:Ball), 7100260A (Lawn & Garden Equipment Carriage Bolt), 7123027 (Hex Flange), 7480376C (Lawn Mower Blade Adapter), 7123004A (Ace Lawn & Garden Equipment Flange Lock Nut), 7420741 (Blade-21" Mu), 7360451 (Washer), 7100703 (MTD Lawn & Garden Equipment Carriage Bolt), 7101205 (Yard Machines Lawn & Garden Equipment Guide Bolt).

Drive system (belts, pulleys, motors)

Symptom: A drum or tub that won't turn, a burning-rubber smell, or a loud thump or squeal during a cycle.

Check: With power off, turn the drum or tub by hand -- resistance or grinding points to the motor or a bearing, and a cracked, glazed, or snapped belt is visible once the cabinet is open.

Parts in this group on 12AC829C755: 95604156B (Engine Pulley), 95604157B (Engine Pulley), 75305089 (Lawn Tractor Ground Drive or Blade Drive Belt).

Storage, trim and cosmetic hardware

Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.

Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.

Parts in this group on 12AC829C755: 78701262 (Bracket), 71004223 (Troy-Bilt Screw - M6 X), 7101802 (Special Screw), 71004374 (Lawn Mower Screw), 7200284 (Knob Wing Nut), 7100599 (MTD Lawn Tractor Screw).

Before you buy

Match 12AC829C755 exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.

How to confirm this is your model

Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.