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Topic Review (Newest First)
03-09-2012 09:52 PM
C.L.
Quote:
Originally Posted by distortedtj View Post
but the front rubi 44 is not much if ANY better than a D30.
Yeah seriously, who would want a bigger ring gear, deeper ratio, thicker axle shafts, and a locker stock from the factory? At least you get a sticker to go with it...
03-09-2012 09:40 PM
doclouie Thanks distortedtj. That is exactly what I needed to know. I now need to go take it off his hands.
03-09-2012 07:22 AM
snwchris Ring & pinion are different as well, you'll notice on most of the gear sites that have options for Rubicon D44.
03-09-2012 02:02 AM
distortedtj
Quote:
Originally Posted by doclouie View Post
What is the difference between the stock Dana 30 axle and the Dana 44 in front?
Nothing and yet quite a bit... Really though there are many differances but the front rubi 44 is not much if ANY better than a D30.

here are thier specs...

Dana 30 (181 mm) - 1997-2006
* Front axle used on all TJs except the Rubicon model
* Stock gear ratio options = 3.07, 3.55, 3.73, 4.10, 4.56
* Carrier break = 3.55 / 3.73
* Open carrier - no Trac-Lok limited slip option
* Ring gear diameter = 7.2"
* Ring gear bolts = (10) 3/8 x 20 RH
* Low pinion (short pinion)
* Pinion shaft diameter = 1.376"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.18"
* Axle shaft spline count = 27 both inner and outer
* Axle shaft u-joints = 5-760x / 5-297x
* WMS-WMS = approximately 60.5"
* 5 on 4.5" bolt pattern

--------------------------------------------------------------


Dana 44 (216 mm) Rubicon- 2003-2006
* Standard front axle used on all Rubicon model TJs
* 4.10 gears
* Tru-Lok selectable pneumatic locker - open differential when unlocked
* Ring gear diameter = 8.5"
* Ring gear bolts = (10) 7/16" x ??
* Low pinion
* Pinion shaft diameter = 1.376"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.31"
* Axle shaft spline count = 30 inner / 27 outer
* Axle shaft u-joints = 5-760x / 5-297x
* WMS-WMS = approximately 60.5"
* 5 on 4.5" bolt pattern

Note: The outer axle shafts, unit bearings (hubs), knuckles, and brakes are the same as those found on the TJ D30.
03-09-2012 01:59 AM
distortedtj
Quote:
Originally Posted by doclouie View Post
That is exactly what I am looking for. It is out of a 2004 Rubicon. Will my stock TJ drive shaft match up or will I need an new one?
your shaft may be to short...the Rubicon uses a flange to bolt to the t-case not a yolk as the standard np231 t-case. And the ujoint is different size. You will need a conversion u-joint at the rear of the d-shaft if you use your current shaft.
03-09-2012 01:15 AM
doclouie What is the difference between the stock Dana 30 axle and the Dana 44 in front?
03-09-2012 01:04 AM
doclouie That is exactly what I am looking for. It is out of a 2004 Rubicon. Will my stock TJ drive shaft match up or will I need an new one?
03-09-2012 12:12 AM
distortedtj Carrier is different as you mentioned but only to support the thick cut gears used stock and aftermarket.


What are you wanting to know about it other than that?

Dana 44 (216mm) - 1997-2006 .....

* Optional rear axle used on 6 cyl models except the Rubicon model
* Stock gear ratio options - 3.55 (97 only), 3.73
* Carrier Break = 3.73 / 3.92
* Standard Trac-Lok limited slip differential on early model TJs / Optional on later model TJs
* Ring gear diameter = 8.5"
* Ring gear bolts = (10) 3/8 x 24 RH - Note: 7/16" x 20 RH used on later model TJs
* Low pinion
* Pinion shaft diameter = 1.376"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.31"
* Axle shaft spline count = 30
* WMS-WMS = approximately 60.5"
* 5 on 4.5" bolt pattern
* Available for the 1997 and newer 4.0L TJs only after 7/7/96
* Threaded 3/8" fill plug
-------------------------------------------------------------------


Dana 44 (216 mm) Rubicon - 2003-2006........
* Standard rear axle used on all Rubicon model TJs
* 4.10 gears
* Tru-Lok selectable pneumatic locker - limited slip differential when unlocked
* Ring gear diameter = 8.5"
* Ring gear bolts = (10) 7/16" x 20
* Low pinion
* Pinion shaft diameter = 1.376"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.31"
* Axle shaft spline count = 30
* WMS-WMS = approximately 60.5"
* 5 on 4.5" bolt pattern
03-09-2012 12:05 AM
doclouie
2004 Rubicon rear axle

SO I may be going to look at a Rubicon dana 44 rear axle geared to 4.10. It does not have the stock locker, but an ARB. Between a standard Dana 44 and a Rubicon Dana 44. Isn't the only difference the locker/carrier?

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