Help! Front Diff & Rear Gearcase Data Wanted! - Polaris RZR Forum - RZR Forums.net
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post #1 of 13 Old January 22nd, 2019, 12:14 PM Thread Starter
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Question Help! Front Diff & Rear Gearcase Data Wanted!

If anyone, with any model rzr, has their front diff or rear gearcase apart, could you please count the ring & pinion gear teeth in the front diff, or any of the gears in the rear gear case? I'm trying to update the gear master sheet i made to get correct and confirmed updated final drive ratios (see thread: Gear Reduction Master Sheet ) I have alot of the rear gearcases done from OEM parts diagrams, but would like confirmation of a few... especially the 6A,6B,7A,7B gears (picture label below), and info on ones that aren't listed in the diagrams... but like i say, any info on any model helps for reference, just let me know the year and specific model of your machine please.

Picture below is of my gear labels for the rear gear case... we'll call the pinion gear in the front 8A, and the ring gear 8B for these purposes..

Thanks in advance!


"I strive for a level of perfection I don't possess the skillset to achieve"
2018 XPT4 - Bailey

Help me get some info in these threads: Tire Height --- Front Diff
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post #2 of 13 Old January 22nd, 2019, 12:30 PM
 
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

I have a rear diff from a 17 XPT laying on then bench, I'll get you the count tonight. I also have a spare front diff on the bench waiting for me to upgrade, however that's probably a few weeks off.
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post #3 of 13 Old January 22nd, 2019, 02:14 PM
 
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

2017 XPT4

6A - 29
6B - 61
7A - 15
7B - 19
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post #4 of 13 Old January 22nd, 2019, 02:30 PM
 
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2015 RZR XP1k Fox Edition . Front diff. Is 11/35. On the ring gear and pinion, The Model Number
On that unit is 1333344.
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post #5 of 13 Old January 22nd, 2019, 05:57 PM Thread Starter
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

Thanks guys! Iíll get them into the spreadsheet tomorrow, started working on an actual final drive calc section today, should have a minute to work on it more tomorrow


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2018 XPT4 - Bailey

Help me get some info in these threads: Tire Height --- Front Diff
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post #6 of 13 Old January 22nd, 2019, 11:25 PM
 
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

This will be handy for those wanting to swap diff and get closer ratios front to rear etc. like a 900 to 1k swap.


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post #7 of 13 Old January 23rd, 2019, 05:21 AM Thread Starter
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

Quote:
Originally Posted by RZR_Joe View Post
2017 XPT4

6A - 29
6B - 61
7A - 15
7B - 19
You sure on that 6A count Joe? 29 seems pretty high, and In the other thread a guy with an 18 XPT4 had said 16 (mated to a 61 at 6B).. 5A seems pretty standard at 29 tho

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2018 XPT4 - Bailey

Help me get some info in these threads: Tire Height --- Front Diff
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post #8 of 13 Old January 23rd, 2019, 05:25 AM
 
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

Quote:
Originally Posted by RWB713 View Post
Quote:
Originally Posted by RZR_Joe View Post
2017 XPT4

6A - 29
6B - 61
7A - 15
7B - 19
You sure on that 6A count Joe? 29 seems pretty high, and In the other thread a guy with an 18 XPT4 had said 16 (mated to a 61 at 6B).. 5A seems pretty standard at 29 tho
Will verify tonight, might have looked at the wrong one....shit happens when you get old
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post #9 of 13 Old January 23rd, 2019, 11:13 AM Thread Starter
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

Mid day bump

(I'm gonna bump this thread periodically to hopefully get more people attention and get more data, these gear counts are hard to find and confirm without the actual parts in hand)

"I strive for a level of perfection I don't possess the skillset to achieve"
2018 XPT4 - Bailey

Help me get some info in these threads: Tire Height --- Front Diff
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post #10 of 13 Old January 23rd, 2019, 03:43 PM
 
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

Quote:
Originally Posted by RWB713 View Post
Quote:
Originally Posted by RZR_Joe View Post
2017 XPT4

6A - 29
6B - 61
7A - 15
7B - 19
You sure on that 6A count Joe? 29 seems pretty high, and In the other thread a guy with an 18 XPT4 had said 16 (mated to a 61 at 6B).. 5A seems pretty standard at 29 tho
6A - 16 - I was looking at your diagram wrong
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post #11 of 13 Old January 24th, 2019, 05:43 AM Thread Starter
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

Morning Bump

"I strive for a level of perfection I don't possess the skillset to achieve"
2018 XPT4 - Bailey

Help me get some info in these threads: Tire Height --- Front Diff
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post #12 of 13 Old January 25th, 2019, 04:12 PM Thread Starter
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

Bump

"I strive for a level of perfection I don't possess the skillset to achieve"
2018 XPT4 - Bailey

Help me get some info in these threads: Tire Height --- Front Diff
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post #13 of 13 Old March 13th, 2019, 04:28 PM Thread Starter
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Re: Help! Front Diff & Rear Gearcase Data Wanted!

Revisiting this, still want to add more info in the spreadsheet!

"I strive for a level of perfection I don't possess the skillset to achieve"
2018 XPT4 - Bailey

Help me get some info in these threads: Tire Height --- Front Diff
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