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Hey all, I've been trying to determine what gear ratios I have in my front and rear diff, but haven't been able to find a decisive answer via searching threads.

I have an 01, with a D30 up front and a D44 w/trackloc in the rear. Are they all 3.73? or are some of them 4.10? And if there is more than one possibility, what is the best way to tell that I have? Thanks :)
 

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If you take the vin to a Jeep dealership they can print out a listing of what the vehicle came with from the factory. Some dealerships may not want to but they can...or they could just a few years ago.
 

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My 2001 Wrangler 6 cyl automatic came with a 3:07 differential ratio and it turns about 2,000 RPM at around 60 miles per hour. A 3:73 would turn considerable faster RPMs and as was stated very few would have a 4:10.
 
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