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Unread 07-30-2011, 08:46 AM   #1
XarmyjeeperX
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dynatrac prorock 44 vs trail series 44?

i want to do an axle swap on my 06 Lj. i want to go with dynatrac but i cant decide on the prorock or the trail series. can someone with either axles give me some insight on them and what the pros and cons of each ones are. any input will help. thanks

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Unread 07-30-2011, 09:56 AM   #2
BYuen
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I know one difference with the prorock is that the housing is shaved/designed to give you more clearance. Other than that, I'm not sure about the differences. Check Dynatrac's website. They've got a spec sheet on the axles they make.
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Unread 07-30-2011, 11:15 AM   #3
Jtrux
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Are you talking front or rear?

The prorock is THEIR axle. The trail series is a cut down JK axle with TJ bracketry. The prorock is superior in that it has a lot stronger, higher clearance case. Also larger diameter, thicker tubes as well. They warranty the Prorock to 38" tires. I posted a thread on this and got nothing but negative responses about it. I personally think that the prorock woould be a great upgrade to any Jeep. It's stout as hell with a damn good warranty. Oh and the prorock uses JK D44 gears which are stronger than typical 44 gears and you can use multiple lockers. I believe the trail series is limited to the JK air locker.

After talking with them on the phone it's clear that Prorock is the obvious winner. A complete bolt in front with detroit will run you about 3800. You still need to use your brakes and outers. If you want just the housing with inner c's and brackets it'll run you about 1900. The salesman I spoke with didn't seem to enthused about the trail series. I'm sure they are biased towards the Prorock since it's their axle.

I'm still considering it myself.
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Unread 07-30-2011, 12:54 PM   #4
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Look at the pumpkin a little closer and you will see a lot of difference, it has more structural rigidity than a standard 44.
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Unread 07-31-2011, 10:55 AM   #5
XarmyjeeperX
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Ok thanks. And to answer your question Jtrux i was going to replace front and rear. i want to run 37's and since the rear 44 isnt really a 44 i wanted to just go ahead and replace it
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Unread 07-31-2011, 11:25 AM   #6
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Quote:
Originally Posted by XarmyjeeperX View Post
Ok thanks. And to answer your question Jtrux i was going to replace front and rear. i want to run 37's and since the rear 44 isnt really a 44 i wanted to just go ahead and replace it
You have this reversed, the rear D44 in jeep tj's is a true D44, the front is not. The front D44 on tj's utilizes a D44 center section but everything out to the knuckles is D30.

However, I wouldn't run 37s on a D44 in a TJ front or rear that's a lot of tire and really should be left to a 3/4 ton running gear. You can beef up the 44 but when all is said and done you could have went to 3/4 ton axles and skipped the trial and error phase.
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Unread 07-31-2011, 11:54 AM   #7
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Or just swap in beefed up jk rubi 44's. They are more than up to the task of 37's and much cheaper than dynatrac's. I love mine.
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Unread 07-31-2011, 01:16 PM   #8
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i recently inquired about this as well and scott at dynatrac was a big help. the pro rock hp 44 front is the way to go cuz the trail series only alows the use of the jk factory locker as said above. and for the rear i was also looking towards an upgraded 44 but you can actually get Trail Series HP60 with the pro rock upgrade for the same price as the built 44 if not i think scott said it'd be cheaper than the 44. and the 60 you will have no worries. as for reusing the outters up front i was going to upgrade to vanco wich takes care of most of the obvious weekness' with the built 44 front.
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Unread 07-31-2011, 04:39 PM   #9
Jtrux
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Get the dynatrac and then upgrade ur rear 44 with this and run 37s.

http://www.pirate4x4.com/forum/showt...hlight=dana+76
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Unread 08-01-2011, 11:19 AM   #10
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A buddy just waited 17 weeks for his D60 from Dynatrac. You better order soon if that is the route you are going. I help install it yesterday...that baby is the BEEF! and a simple bolt in to a TJ.
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Unread 08-01-2011, 06:17 PM   #11
Jtrux
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Pro rock uses larger/thicker tubes as well. I believe the JK's have had issues with their tubes, don't quote me though.
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Unread 05-19-2012, 01:10 PM   #12
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What happens to steering and track bar (or needs to happen) on a TJ with 3" lift when you swap out a D30 and install a Dynatrac Pro Rock D44?
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Unread 05-19-2012, 04:07 PM   #13
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Try this for comparisons
http://www.dynatrac.com/pdfs/New_Gen...ison_chart.pdf
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Unread 05-19-2012, 04:51 PM   #14
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Quote:
Originally Posted by Jtrux View Post
Are you talking front or rear?

The prorock is THEIR axle. The trail series is a cut down JK axle with TJ bracketry. The prorock is superior in that it has a lot stronger, higher clearance case. Also larger diameter, thicker tubes as well. They warranty the Prorock to 38" tires. I posted a thread on this and got nothing but negative responses about it. I personally think that the prorock woould be a great upgrade to any Jeep. It's stout as hell with a damn good warranty. Oh and the prorock uses JK D44 gears which are stronger than typical 44 gears and you can use multiple lockers. I believe the trail series is limited to the JK air locker.

After talking with them on the phone it's clear that Prorock is the obvious winner. A complete bolt in front with detroit will run you about 3800. You still need to use your brakes and outers. If you want just the housing with inner c's and brackets it'll run you about 1900. The salesman I spoke with didn't seem to enthused about the trail series. I'm sure they are biased towards the Prorock since it's their axle.

I'm still considering it myself.
(Old thread!)

Funny you'd say that. As much as I like Currie products, by all accounts Dynatrac seems to be a great product, too. That said, I know Dynatrrac is spendy...were the negative comments you received about Dynatrac related specifically to pricing, or what?
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Unread 05-19-2012, 06:31 PM   #15
two_much_talk
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I'm interested in an update on this swap ....
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