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Gear-worm 20t 917-04861

Part Number: 917-04861
MTDRyobiYard MachinesBolensYard ManCraftsmanTroy-BiltCub CadetHusky
Availability: In Stock
Price: $39.73
Order within the next 7 hours
and your part ships today!

*This part replaces obsolete part #: 917-0528A, 717-04861, 717-04449, 717-0528A, 717-0528 and 917-0528.

Product Information
Description:
This replacement part is supplied directly from the original equipment manufacturer. It is specially designed for snowblowers. The worm gear is part of the drive mechanism that rotates the augers. It is utilized to connect to the worm shaft in order to engage it. Over time the part may wear out or get damaged eventually requiring a replacement to ensure the unit is functioning properly. Keep in mind this high-quality worm gear is made of durable metal and is sold individually. Refer to the diagrams of your model for the correct installation of the new part. You may need a screwdriver and a wrench set to take the housing apart in order to perform this repair.
Frequently Purchased With
Compatibility

This part is compatible with the following machines:

Ryobi
MTD
Yard Machines
Bolens
Yard Man
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Snowblower

Questions & Answers for Gear-worm 20t


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Repair Instructions: Submitted by Customers Like You
16 of 17 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Gear-worm 20t - 917-04861
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Socket set
The auger worm gear was stripped on my Troybilt snowblower. I found a YouTube video explaining how to do the repair.
There is an excellent YouTube video showing how to do this repair. I also replaced the belts since I already had the snowblower split. As in any repair, pay close attention to how parts go together when you take things apart. I am not a pro by any means so I have learned to label parts, lay them out in order, and take pictures with my phone.
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6 of 6 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Worm Shaft - 717P0526
Use 915-0143 - 715-0143
Gear-worm 20t - 917-04861
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Socket set, rotary tool
Worm shaft and gear stripped
Removed housing from snow blower to gain access to bolt holding the worm shaft. removed worm assembly and disassembled. Removed blower fan from old worm shaft by drilling out pins. (drilling pins was the hardest part). Used rotary tool to grind high spots of shaft so I could remove the worm gear. Scraped and sanded sides of auger assembly to remove old silicone. Filled auger assembly with grease and installed new shaft and worm gear. Put auger assembly back together with silicone. Put blower fan on new shaft with pins and installed into housing. Attached housing to snowblower. Mounted belts.
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4 of 4 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Plate-shave 26 - 790-00121-0637
Gear-worm 20t - 917-04861
Repair Difficulty:
Medium
Time Spent Repairing:
More than 2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set, Adjustable Wrench
Worm gear worn out
Disassembled snowthrower front and rear parts. Removed front bucket augers and drive shaft from main body. Removed auger drive assembly gear box. Replaced worm gear. Had to use a gasket material to seal gear box. Re-assembled in reverse order. Replaced shave plate on bottom of bucket.
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3 of 3 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Gear-worm 20t - 917-04861
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set
Snowblower auger driven gear broken
Removed the Auger assembly
Removed the right side auger blades
Opened the gearbox
Removed the broken gear
Replaced the gear with new one
Filled the gearbox with new grease
Put sealant on gearbox flanges
Bolted gearbox back together
Reinstalled right side auger blades
Lubricated bushings on ends of Auger assembly
Reinstalled Auger assembly into Snowblower
Ran Snowblower to make sure everything worked properly.
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4 of 6 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Grease Seal - 721-0327
Gear-worm 20t - 917-04861
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set
Auger not working on Toro snowblower
Removed and disassembled auger and gearbox per your tube video. Carefully cleaned gearbox of brass gear filings. Checked output shaft to ensure it is not ruined. I ordered brass gear and seal which arrived quickly through ereplacement parts. Reassembled using EP00 grease. Fairly simple as long as you keep parts in order and saved a couple of hundred dollars.
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1 of 1 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Gear-worm 20t - 917-04861
Pin-shear .25 - 738-04124A
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Socket set, Wrench Set, Hammer
Worm gear driver the auger blades stripped
1. Watched instructional video online (Not much help).
2. Removed augers / shaft.
3. Removed gear (Was simple once I figured out it just tapped off).
4. Reassembled the gear case and auger / shaft for install. This took a couple tries and was the most difficult part of the repair. It is a very tight fit and interesting with only two hands.
5. Tightened all components and reinstalled plastic covers and chute.
6. Pulled the rope and everything worked as normal.
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1 of 1 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Gear-worm 20t - 917-04861
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Pliers, Socket set, Nutdriver
Auger would not spin.
I watched a few YouTube videos before I ordered parts and attempted to repair my snowblower. They were extremely useful in solving the problem.
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1 of 1 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Use 915-0143 - 715-0143
Gear-worm 20t - 917-04861
Repair Difficulty:
Easy
Time Spent Repairing:
More than 2 hours
Tools Used:
Screwdriver, Socket set, Wrench Set
Worm gear thrust bearing spring pin broke,damaging worm gear
1. Remove blower from power unit
2. Remove blower, auger and drive assembly
3. Disassemble auger gear assembly
4. Replace worm gear and thrust bearing pin
5. Reassemble
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1 of 1 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Gear-worm 20t - 917-04861
Pin-shear .25 - 738-04124A
Repair Difficulty:
Medium
Time Spent Repairing:
More than 2 hours
Tools Used:
Pliers, Socket set, Adjustable Wrench
Worm gear was severely worn
Removed front end of snowblower. Disassembled auger, replaced worm gear. Reassembled auger and front end of snowblower.
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Tool Type:
Snowblower
Parts Used:
Grease Seal - 721-0327
Key-hi-pro - 914-0161
Pin-dowel - 715-04021
Seal-.750x1.00x.12 - 921-0338
Gear-worm 20t - 917-04861
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set, Gasket scraper,silicone,brush,brake cleaner,grease
Sheared the brass auger gear inside the gear box
Removed front scoop,Removed pulley, removed bolts the 3 bolts on each side holding the augers in place. Removed the whole !auger assembly from scoop. Removed 4 shear pins, pulled off 4 augers blades "2RH 2LH" and plastic spacers/bushings. Removed 5 bolts holding the 2 case halves and separated case. Cleaned thoroughly and scraped old gasket "silicone". Replaced gear with new one. Also replaced the keyway and shear pin. Replaced the 3 shaft oil seals also. Reverse procedure to assemble. Using silicone and grease to assemble. Use diff oil where applicable.
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Reviews
4.9
Average Rating (out of 5):
14 Reviews
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  • snow blower auger gear
    The part was easy to order. The parts diagrams are very easy to identify the part you need. The prices are always great.
    Guest - July 24, 2023 Verified Purchase
    Exact part
    Was worried I might order the wrong piece for my snowblower and they diagram and parts list made it easy!
    Gregory - February 27, 2023 Verified Purchase
    Snowblower repair
    Snowblower repair Receive the right part in a reasonable time job is complete thanks
    Guest - June 13, 2022 Verified Purchase
    Worm gear
    Part exactly what I thought it was and works awesome! Shipment was way to slow and long took two weeks to get!
    Donald - January 20, 2022 Verified Purchase
    was easier then I thought.
    Should send new key with gear, would be nice.
    Guest - October 29, 2021 Verified Purchase
    they help alot by looking up the part and helping me find the diagram
    my part was good got it sooner then I thought
    Guest - October 14, 2021 Verified Purchase
    OEM part delivered 1 day before promised. What more could anyone want?
    Eady to use website made ordering easy. Promised delivery in 5 days, it arrived in 4. Snow blower is up and running. I'd recommend ereplacementsparts to anybody, in fact I already have.
    Guest - February 17, 2021 Verified Purchase
    Snowblower working like new. Part fit perfectly.
    The part was Craftsman, arrived quickly and was exactly as described.
    Guest - February 21, 2020 Verified Purchase
    perfect fit
    Perfect fit oem quality
    Guest - November 27, 2019 Verified Purchase
    Perfect match
    Sometimes you order a part online to the description you get the wrong part. Not here, we have ordered before and always come back to great replacement parts and fast service in getting what we need.
    Guest - November 27, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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