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Discussion Starter #1
k i noticed that front diffs seem to be a hot topic
I have 600 2003 twin .
noticed that it is mostly 4x4 when on or off .
With all wheels in the air the front tire spin both forward and reverse
it does this even while the front diff is electrically unplugged .
I understand that the front cage is a problem .
See someone posted that there are j/d parts that you can get
MIA 10667 if that applys to the 600 twin model
Is this really any better?
I tend to like and over build things . But some times there needs to be a weak point and its cool if its a cheap part . haha. Rather not be replacing gears
What is this j/d part made out of?
Are there better aluminum models?
running stock ish tires right NOW.
Will go to more bogger tire when these are toast.
I do love speed and lil bit of drifting and mud tho .
 

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go to superatv.com and buy the aluminum one. The factory diff is quite robust but the plastic cage is the weak point.
 

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Are you really sure the cage is broken, i had the same problem and it ended up just bieng that the fluid was just dirty and everything worked out fine.
 

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Discussion Starter #4
What are the fluid options ? Would like to use an amsoil type fluid seen some just using atf .
If its gonna break then might as well change it out .
 

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JD parts and Polaris parts are the same. The JD and Polaris machines use the same differentials made by Hilliard Corp. Polaris parts however, cost about twice as much as JD parts for some reason.
 

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Does your atv have the AWD system in the hubs
 

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In that case you (have) to use polaris demand drive fluid in order for the awd system to work properly.
 
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