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08-25-2009, 10:41 PM
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#1
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Registered User
Join Date: Jan 2009
Location: Newport, NH
Posts: 1,186
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I was looking at upgrading my axles soon, atleast the rear d35 to a 44 I was looking for a direct swap. Is the d44a better than the d44? What years do both of them come with I know the d44 comes in 96-98zjs with a v8 are those axles just a direct swap?
sry I'm kinda new to the axle thing
thanks for the help
Kyle
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96 zj 4.5" lift RE springs and shocks all 8 jks adjustable arms,IRO OTK Steering
JKS quick discos, JKS front and rear trackbar 32" KM2's
"Jeeps don't get stuck ... they just take a nap when they are tired of being awesome."
"Its more than just a jeep ... its a way of life!"
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08-25-2009, 10:47 PM
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#2
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Registered User
Join Date: Jun 2002
Posts: 286
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You cannot get the iron D44 in the ZJ. The D44 is superior in strength to the D44A as well, and they are similar but not the same axle.
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2002 Jeep TJ Sport 4.0L Patriot Blue/Black Hardtop Dana 44
1996 Jeep ZJ Orvis fully loaded
1995 Pontiac Trans Am 5.7L - 6 speed
1928 Ford Model A - Street Rod Project
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08-25-2009, 10:47 PM
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#3
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Registered User
Join Date: May 2008
Location: Knoxville, TN
Posts: 915
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the zjs only came w/ either d44a or d35 in the rear.
no d44's were used in the jeeps.
and there is little to none aftermarket support for the d44a axle.
search for it, there's tons of info.
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08-25-2009, 10:52 PM
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#4
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Registered User
Join Date: Dec 2006
Location: Chicago, IL
Posts: 5,004
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The 44a only comes in Grand Cherokee's (and vipers, and a cpl years in vettes). The center section of the housing is aluminum, and the tubes are steel. Its a strong axle, but you want to skid/truss it if you play on the rocks, etc. It is also a direct swap.
The 44 is completely different, and would require lots of fabrication.
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08-26-2009, 12:19 AM
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#5
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Registered User
Join Date: Mar 2009
Posts: 318
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My ZJ Limited 5.9 has an iron carrier & axles on the rear end. making it a Dana 44.
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08-26-2009, 01:13 AM
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#6
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Registered User
Join Date: Apr 2007
Location: Wilsonville, Oregon
Posts: 5,354
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Quote:
Originally Posted by CULate
My ZJ Limited 5.9 has an iron carrier & axles on the rear end. making it a Dana 44.
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you are wrong. the 44a does have an iron carrier and steel axles but were talking about the center section and axle tubes.
unless somewhere down the line someone swapped an iron 44 in there you have the aluminum dana 44.
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1993 Jeep ZJ. 4.0
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08-26-2009, 01:48 AM
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#7
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Living dead mod
Join Date: Dec 2006
Location: , Pennsylvania
Posts: 19,724
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Export zj's (zg) had iron 44s. Including the jeep 360 model.
The zj 44a is potentially much stronger than an iron 44. The ring and pinion are close to 60 strength and the shafts are beefier. Once you eliminate tube and housing flex with a truss and the btf diff cover it's weaknesses are eliminated.
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'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.
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08-26-2009, 02:00 AM
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#8
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Registered User
Join Date: Apr 2007
Location: Wilsonville, Oregon
Posts: 5,354
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Quote:
Originally Posted by ratmonkey
Export zj's (zg) had iron 44s. Including the jeep 360 model.
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yea but im willing to bet hees not got an export, if so then im wrong.
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1993 Jeep ZJ. 4.0
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08-26-2009, 04:27 AM
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#9
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Registered User
Join Date: Jan 2009
Location: Newport, NH
Posts: 1,186
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do you guys have some pictures of a d44 and a d44a side by side so I can see the difference I thought I saw a pic of this once. Do all v8 96-98 grand cherokees come with a d44a rear? what about the front is it hard to find a hp30 to replace the lp30 that comes stock in mine?
__________________
96 zj 4.5" lift RE springs and shocks all 8 jks adjustable arms,IRO OTK Steering
JKS quick discos, JKS front and rear trackbar 32" KM2's
"Jeeps don't get stuck ... they just take a nap when they are tired of being awesome."
"Its more than just a jeep ... its a way of life!"
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08-26-2009, 04:33 AM
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#10
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Registered User
Join Date: Apr 2007
Location: Wilsonville, Oregon
Posts: 5,354
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__________________
1993 Jeep ZJ. 4.0
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08-27-2009, 05:57 AM
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#11
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Registered User
Join Date: Feb 2009
Location: ridgway pa
Posts: 146
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you can get a high pinion dana 30 from an xj 84 to 01 but go with one from a 92 to 99. thay dont have the vacuum disconnect
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08-27-2009, 06:03 AM
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#12
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Registered User
Join Date: Mar 2008
Location: York, PA/South Jersey
Posts: 403
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Quote:
Originally Posted by xjhavens
you can get a high pinion dana 30 from an xj 84 to 01 but go with one from a 92 to 99. thay dont have the vacuum disconnect
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Be careful. I'm pretty sure 2000-2001 XJs had a low pinion dana 30.
__________________
You do own a hairdryer don't you she asked? Of course I do, he replied, it's in the driveway, it's called a Jeep.
97 TJ - 4" Skycrapper, 33s, NV3550, HP30, Ford 8.8 swap, and some other stuff
99 WJ - 4" IRO, Freedom edition clone
07 Scion tC - Decked out DD
94 ZJ - 3" Skycrapper w/31s - blown 5.2, RIP
01 XJ - Decked out DD, Sold
02 TJ - 2" REBB w/31" MTRs and 2006 Rubicon Moabs - wrecked, RIP
06 Rubi - 2" REBB, JKS front adj. trackbar, RE rear trackbar relocation bracket, Impact orange, Sold
06 XK - All stock DD, Sold
My Build Thread
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08-27-2009, 07:00 AM
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#13
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Mr. Hyde!
Join Date: Mar 2005
Location: Boulder, CO
Posts: 22,865
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Quote:
Originally Posted by iroc22
You cannot get the iron D44 in the ZJ. The D44 is superior in strength to the D44A as well, and they are similar but not the same axle.
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Would that be the D44a's larger ring gear, larger pinion gear, or bigger axle shafts that make it weaker then the D44? 
The weaknesses of the D44a are the aluminum housing allowing for flex between the two axle tubes causing premature wheel bearing failure and spun tubes. Truss it and those weaknesses go away. Everything else is stronger.
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'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
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08-27-2009, 08:16 AM
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#14
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Registered User
Join Date: Jan 2009
Location: Newport, NH
Posts: 1,186
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did any zj's come with hp30 in the front? what is the difference between the lp and hp ? do you guys have some pictures of those?
__________________
96 zj 4.5" lift RE springs and shocks all 8 jks adjustable arms,IRO OTK Steering
JKS quick discos, JKS front and rear trackbar 32" KM2's
"Jeeps don't get stuck ... they just take a nap when they are tired of being awesome."
"Its more than just a jeep ... its a way of life!"
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08-27-2009, 08:46 AM
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#15
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Registered User
Join Date: Mar 2008
Location: York, PA/South Jersey
Posts: 403
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Quote:
Originally Posted by GrandChe89
did any zj's come with hp30 in the front? what is the difference between the lp and hp ? do you guys have some pictures of those?
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High pinion is stronger. Why? I forget.  I think the pinion and ring gear are stronger. Also since the pinion is up higher it raises your driveshaft and gets it away from rocks and such.
__________________
You do own a hairdryer don't you she asked? Of course I do, he replied, it's in the driveway, it's called a Jeep.
97 TJ - 4" Skycrapper, 33s, NV3550, HP30, Ford 8.8 swap, and some other stuff
99 WJ - 4" IRO, Freedom edition clone
07 Scion tC - Decked out DD
94 ZJ - 3" Skycrapper w/31s - blown 5.2, RIP
01 XJ - Decked out DD, Sold
02 TJ - 2" REBB w/31" MTRs and 2006 Rubicon Moabs - wrecked, RIP
06 Rubi - 2" REBB, JKS front adj. trackbar, RE rear trackbar relocation bracket, Impact orange, Sold
06 XK - All stock DD, Sold
My Build Thread
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>
d44a vs d44
