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Old 01-23-2007, 04:08 PM   #1
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How strong are my axles?


some months ago i bought a new 06 TJ with a D30 in the front and a D44 in the rear.
i also ordered the "offroad package" that was available as an extra here in germany. that incuded a 3.73 gear (normal german TJs have a 3.07 gear), a rear trac lock and some HD axles.
but i couldn´t find anything about these axles.
how strong are they?
how big tires can i install without damaging the axles when i drive off the road?

thanks for your answer and greets from germany.
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Old 01-23-2007, 04:36 PM   #2
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I have the same setup in my 01 Sport,

D30 front D44 rear and 3:73 gears..

its my daily driver on 33 x 12.50 x 15's

I also have Aussie lockers front and rear.

I have the 5 speed in this one.

USN 1985-1993
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Old 01-23-2007, 06:03 PM   #3
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I run that same setup in my TJ with a 4:1 Tcase and 35" tires. 35's are pretty much the upper limit of what you want to run on a D30, but the rear axle takes most of the brunt. Upgrading the front shafts to Chromoly's and stronger joints is highly suggested. For myself, I just carry spares and the tools to change them.
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Old 01-23-2007, 06:28 PM   #4
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Safely 33's front 35's rear. If you're not careless with the gas pedal the front can handle 35's.
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