Mtd 917-04380 Tiller Worm Gear 61T

SKU: 917-04380 917-04380 Brand:
MTD
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$168.52 Price reduced from $175.95
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Description

The MTD 917-04380 Tiller Worm Gear 61T transfers rotational movement within compatible drive systems to a standard soil cultivation process. It functions through a gear interaction process where the worm gear changes and directs motor or engine rotation to the connected shaft assembly. Placed inside the transmission or drive housing, this part works with related gears to enable controlled movement of the tiller mechanism. The standard part maintains proper power transfer, consistent rotation, and effective functioning of the tilling system when mounted with the correct equipment configuration.

Dimensions:

  • Weight: 5 lbs

The MTD 917-04380 Tiller Worm Gear 61T is a 61-tooth gear used inside compatible tiller gearboxes. It works with the mating worm gear to transfer and reduce drive power to the tine system.

This part addresses the following common issues:

• Worm gear teeth become worn or damaged.

• Grinding noise comes from the gearbox.

• Gearbox becomes hard to turn.

• Tines hesitate during heavy tilling.

• Worm gear does not engage smoothly.

Worn Gear Teeth

Quick Check: Look for chipped, rounded, or badly worn teeth on the 61-tooth gear.

Fix Suggestion: Check the mating worm gear for damage and replace worn parts using the correct tiller service procedure.

Prevention Tip: Keep the gearbox properly lubricated and follow the recommended service schedule.

Grinding Gearbox Noise

Quick Check: With the tiller stopped, check the gearbox for damaged teeth or signs of unusual wear.

Fix Suggestion: Inspect the 917-04380 gear and mating worm for damage or poor engagement.

Prevention Tip: Stop and inspect the drivetrain when unusual grinding starts.

Hard Gearbox Movement

Quick Check: With the engine stopped and tiller secured, check for damaged gears, binding, or debris around the gearbox.

Fix Suggestion: Inspect the worm gear and related gearbox parts for anything restricting normal movement.

Prevention Tip: Keep the gearbox clean and properly lubricated.

Tine Hesitation Under Load

Quick Check: Check the worm gear and mating gear for worn teeth or slipping during tine operation.

Fix Suggestion: Repair or replace damaged gearbox components before using the tiller under heavy load.

Prevention Tip: Avoid forcing the tiller through extremely hard or compacted soil.

Uneven Gear Engagement

Quick Check: Inspect the gear teeth for uneven wear or signs that the worm gear is not sitting correctly.

Fix Suggestion: Check the gear alignment and replace damaged components according to the tiller service procedure.

Prevention Tip: Maintain proper gearbox lubrication to support smooth gear engagement.

Customer Experience: A customer reported more consistent tine movement after replacing a worn gearbox worm gear with the MTD 917-04380.

Disclaimer: Troubleshooting guidance provided for reference only.

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