Worm gear p/n - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 06-11-2014, 11:23 AM Thread Starter
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worm gear p/n

I have a MTD 10/22 Mod 315-611d118 and i would like to replace the worm gear in the auger transmission. I am looking for the correct p/n for the replacement, so far i have come up with 917-0528a and 91704861 but am not sure if these are correct? Your help is appreciated.

Thanks.

Last edited by griff; 11-20-2014 at 07:39 AM.
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post #2 of 8 Old 06-11-2014, 01:21 PM
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Here's what I found over on partstree.com. (others may have additional comment and part source suggestions)



https://www.partstree.com/parts/?lc=...dn=02529000008

Appears to be #3 in the schematic. It's not cheap, but the cheapest on the list.

Best of luck.

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.
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post #3 of 8 Old 06-11-2014, 01:34 PM Thread Starter
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Thanks for the reply. I was hoping to purchase the gear only ,because every thing else in the transmission looks fine. I'm just not sure the p/n I listed above are the correct ones for my machine.

Thanks.
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post #4 of 8 Old 06-11-2014, 03:22 PM
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It did not appear that they break it down that far.

The gears are listed, just not crossed referenced with that model. Sorry that I could not help any further.

https://www.partstree.com/parts/?pn=+917-0528a

https://www.partstree.com/parts/?pn=91704861

Hopefully, someone else can jump in here, and make that connection.

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.

Last edited by db9938; 06-11-2014 at 03:35 PM.
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post #5 of 8 Old 06-11-2014, 07:56 PM
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This link and a few others I viewed, indicate that 917-04861 is the direct replacement for 917-0528A.

917-04861 Genuine MTD Worm Gear

Toro 8/24 (38080) 1989
Toro 721-QZR (38743) 2015 (Hemi Predator Power)
Toro 421-E (38585) 2008 (New Owner)
Experience is something you don't get until just after you need it.
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post #6 of 8 Old 06-12-2014, 04:38 PM Thread Starter
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Thats how i understand it also, but i am trying to determine if this is the correct gear for my machine.

Thanks.
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post #7 of 8 Old 06-17-2014, 09:37 PM Thread Starter
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FYI , I purchased p/n 91704861 and it works fine. P/N 917-0528a and 91704861 are the same except 91704861 costs alot less.
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post #8 of 8 Old 06-17-2014, 10:03 PM
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Thanks for posting an update griff. Other people searching this thread will benefit from the information.

Toro 8/24 (38080) 1989
Toro 721-QZR (38743) 2015 (Hemi Predator Power)
Toro 421-E (38585) 2008 (New Owner)
Experience is something you don't get until just after you need it.
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