Beefing Up Rear Dana 44 (non-rubicon)? - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 14 Old 04-20-2018, 08:51 AM Thread Starter
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Beefing Up Rear Dana 44 (non-rubicon)?

So I have been searching around on here and googling elsewhere and can't for the life of me find any substantial information on beefing up a non-rubicon rear Dana 44. Plenty of articles on the front but nothing on the rear.

So my question is, beyond adding a locker and upgrading to cromo axles what do you guys do to beef up the rear Dana 44's? Just truss them and sleeve them or don't bother with anything other than the axles?

I'm on 37's with the 3.6 and auto transmission with 4:88 gears and Adams 1350 drive shafts if any of that matters. I am planning to do an Eaton E-Locker in the rear and upgrading axles while I'm in there. Which leads to a second question. Does Eaton make an e-locker for the 44 that will take 35 spline axles or do I need to do an ARB locker to get the 35 spline upgrade in the rear? Or is it even possible to get a 35 spline Dana 44 locker for the newer D44's?

All of this I want to do for peace of mind, this is not a DD driver, but it is my fun vehicle and we wheel it and play in it and typically drive it everywhere we go to wheel. While I try to be light on the throttle and attempt to finesse my way through stuff, I figure eventually I'm going to get it in a bind and bomb the factory stuff. Thanks in advance.

Last edited by Texas_Jester; 04-20-2018 at 09:01 AM.
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post #2 of 14 Old 04-20-2018, 09:09 AM
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I don't know of anyone that makes a sleeve for the rear axle since the axle bearings ride in the outside edge of the housing.

I did the artec rear truss along with their trac bar bracket and spring perches. I did synergy upper control arm brackets and I have to put on the artec lower brackets. You would be surprised at how thin the stock stuff actually is.
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post #3 of 14 Old 04-20-2018, 09:18 AM Thread Starter
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I don't know of anyone that makes a sleeve for the rear axle since the axle bearings ride in the outside edge of the housing.
Facepalm............. I forgot about that
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post #4 of 14 Old 04-20-2018, 09:35 AM
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post #5 of 14 Old 04-20-2018, 01:58 PM
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Yep you can go with either the OX or ARB 35 spline locker for the rear, and pair it with 35 spline shafts. I believe Dynatrac offers this package deal on their website? You can probably save a few bones if you order from somewhere else/not as a package.

I trussed the rear with the JCR truss, Synergy weld on TB bracket, put on the Evo rockstar "skids", and am just about ready to put my Ten Factory shafts in. I went with the Eaton 4 pin, and it's been great with no issues. If I were to do it again though, I would have gone with a 35 spline ARB and some 35 spline shafts. To my knowledge there are no 35 spline e-lockers for the JK 44 axles.

Here's the combo on Dynatracs website: https://www.dynatrac.com/jk44-rear-3...it-5-on-5.html
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2015 JK- trussed and locked 44's, 37's, beadlocks, Synergy/Metalcloak control arms, Genright, Warn, Crawler Conceptz, Poison Spyder...blah blah blah

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post #6 of 14 Old 04-22-2018, 09:09 PM
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My factory locker went out in the Rubi 44 that I installed in my Sahara a few years ago. Since I was going to spend some money rebuilding it, I decided to go ahead and beef it up. Yes, there is a 35 spline option for the rear. Iím running the Auburn Ected locker, with 35 spline chromoly shafts.

Current vehicles:
2007 Sahara 2-Door
5.38 gears
Trussed, sleeved, gusseted Dana 44 front w/ factory Rubi locker and RCV shafts
Stock rear Rubi Dana 44 with Auburn Ected locker w/ 35 spline chromoly shafts
6 Speed
2.5 Rock Krawler X Factor System w/ Bilstein 5100 shocks
17X9.5 Spyderlock Beadlocks
37X12.50R17 Nitto Trail Grapplers
F&R AEV Bumpers w/ AEV rear tire carrier
JCR Stage 2 rock rails
Warn Zeon 10-S winch

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post #7 of 14 Old 04-22-2018, 09:21 PM
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My factory locker went out in the Rubi 44 that I installed in my Sahara a few years ago. Since I was going to spend some money rebuilding it, I decided to go ahead and beef it up. Yes, there is a 35 spline option for the rear. Iím running the Auburn Ected locker, with 35 spline chromoly shafts.

Current vehicles:
2007 Sahara 2-Door
5.38 gears
Trussed, sleeved, gusseted Dana 44 front w/ factory Rubi locker and RCV shafts
Stock rear Rubi Dana 44 with Auburn Ected locker w/ 35 spline chromoly shafts
6 Speed
2.5 Rock Krawler X Factor System w/ Bilstein 5100 shocks
17X9.5 Spyderlock Beadlocks
37X12.50R17 Nitto Trail Grapplers
F&R AEV Bumpers w/ AEV rear tire carrier
JCR Stage 2 rock rails
Warn Zeon 10-S winch

2010 Jeep SRT8 w/ 440 stroker making 550 whp
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post #8 of 14 Old 04-23-2018, 09:39 AM
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The part number for the locker I have is AUB 545021 for anyone that is interested.

Current vehicles:
2007 Sahara 2-Door
5.38 gears
Trussed, sleeved, gusseted Dana 44 front w/ factory Rubi locker and RCV shafts
Stock rear Rubi Dana 44 with Auburn Ected locker w/ 35 spline chromoly shafts
6 Speed
2.5 Rock Krawler X Factor System w/ Bilstein 5100 shocks
17X9.5 Spyderlock Beadlocks
37X12.50R17 Nitto Trail Grapplers
F&R AEV Bumpers w/ AEV rear tire carrier
JCR Stage 2 rock rails
Warn Zeon 10-S winch

2010 Jeep SRT8 w/ 440 stroker making 550 whp
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post #9 of 14 Old 04-23-2018, 03:16 PM Thread Starter
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Thanks for the info and feed back guys, much appreciated. I was planning to do e-lockers front and rear, but now knowing this, I may just go with the ARB air lockers so I can get the 35 spline shafts.
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post #10 of 14 Old 04-23-2018, 03:29 PM
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Originally Posted by Texas_Jester View Post
Thanks for the info and feed back guys, much appreciated. I was planning to do e-lockers front and rear, but now knowing this, I may just go with the ARB air lockers so I can get the 35 spline shafts.
As I mentioned above, there is an electric locker with 35 spline shafts. Completely your choice if you want to go electric or air operated though.

Current vehicles:
2007 Sahara 2-Door
5.38 gears
Trussed, sleeved, gusseted Dana 44 front w/ factory Rubi locker and RCV shafts
Stock rear Rubi Dana 44 with Auburn Ected locker w/ 35 spline chromoly shafts
6 Speed
2.5 Rock Krawler X Factor System w/ Bilstein 5100 shocks
17X9.5 Spyderlock Beadlocks
37X12.50R17 Nitto Trail Grapplers
F&R AEV Bumpers w/ AEV rear tire carrier
JCR Stage 2 rock rails
Warn Zeon 10-S winch

2010 Jeep SRT8 w/ 440 stroker making 550 whp
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post #11 of 14 Old 04-23-2018, 03:35 PM
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post #12 of 14 Old 04-24-2018, 06:47 AM
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i am glad you do, Gunny ; I never make mistakes or dish out incorrect information. It gets pretty tiring some days...




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Quote:
Originally Posted by lohchief View Post
If people don't take a stand now,you'll be bitches under their thumbs tomorrow.
Quote:
Originally Posted by StubEXrube View Post
I think too much of a pressure variant between Earth and outer-space... lack of oxygen... something like that.
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post #13 of 14 Old 04-24-2018, 07:42 AM Thread Starter
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Originally Posted by jsukey View Post
As I mentioned above, there is an electric locker with 35 spline shafts. Completely your choice if you want to go electric or air operated though.
I appreciate that, but personally I am just not a fan of the Auburn lockers.
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post #14 of 14 Old 04-24-2018, 07:54 AM
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Originally Posted by Texas_Jester View Post
I appreciate that, but personally I am just not a fan of the Auburn lockers.
No problem!

Current vehicles:
2007 Sahara 2-Door
5.38 gears
Trussed, sleeved, gusseted Dana 44 front w/ factory Rubi locker and RCV shafts
Stock rear Rubi Dana 44 with Auburn Ected locker w/ 35 spline chromoly shafts
6 Speed
2.5 Rock Krawler X Factor System w/ Bilstein 5100 shocks
17X9.5 Spyderlock Beadlocks
37X12.50R17 Nitto Trail Grapplers
F&R AEV Bumpers w/ AEV rear tire carrier
JCR Stage 2 rock rails
Warn Zeon 10-S winch

2010 Jeep SRT8 w/ 440 stroker making 550 whp
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