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Thread: Help with Axles

  1. #11
    Hooked
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    Most 1/2 ton trucks are equipped with d44s. I had a titan for 12 years on 35s with a d44 rear which held up its entire life with only 2 axle seals replacements. It was not a rock bouncer. It never saw Moab or Rubicon. However, it was my DD vehicle and used quite a bit for hunting and hauling. I hauled flats boats and airboats through muddy/swampy trails in Florida. Hunting locations entailed old beat down and over grown logging roads in the sticks of PA. It held up.

    Is a PR60/60 stronger and a better solution? Absolutely.

    IMO, if you’re leaning toward buying new axles definitely save and get FF 60s or a 60/80 combo. I wouldn’t waste your time or money on the 44/60.

    While dynatrac is popular here for good reasons, don’t forget they aren’t the only well built American made axle.

  2. #12
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    Quote Originally Posted by Bigjimbo View Post
    Most 1/2 ton trucks are equipped with d44s. I had a titan for 12 years on 35s with a d44 rear which held up its entire life with only 2 axle seals replacements. It was not a rock bouncer. It never saw Moab or Rubicon. However, it was my DD vehicle and used quite a bit for hunting and hauling. I hauled flats boats and airboats through muddy/swampy trails in Florida. Hunting locations entailed old beat down and over grown logging roads in the sticks of PA. It held up.

    Is a PR60/60 stronger and a better solution? Absolutely.

    IMO, if you’re leaning toward buying new axles definitely save and get FF 60s or a 60/80 combo. I wouldn’t waste your time or money on the 44/60.

    While dynatrac is popular here for good reasons, don’t forget they aren’t the only well built American made axle.
    What other brands do you recommend? I've heard that UD60's are good but if something happens to them you are on your own.

  3. #13
    Administrator wayoflife's Avatar
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    Quote Originally Posted by Dlanor82 View Post
    What other brands do you recommend? I've heard that UD60's are good but if something happens to them you are on your own.
    And in spite of knowing that, you'd still consider them

    Do yourself a favor and do a price comparison between a set of Dynatrac axles and Dana. I think you'll find that Dynatrac is STILL a better buy AND you have more options AND you will have a company that stands behind what they sell you.

  4. #14
    Nothing but a Thing Gadget's Avatar
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    There is lots of info out there on the UD60 failures, look them up before going that route.


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  5. #15
    Advertiser Dynatrac's Avatar
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    Quote Originally Posted by Dlanor82 View Post
    Hi guys,

    I just got a V8 from Motech (L86 GenV with 8 speed transmission) in my 2012 JKUR and I am really getting concerned about axles/driveshafts upgrade.

    I am currently running an AEV JK350 package (4.5" lift, AEV front/rear bumpers, 37" tires). I am also using the stock Rubicon driveshafts and stock Rubicon Dana 44's with 4.88 Gears. This being said, I don't foresee myself upgrading to 40's for long time, mainly because I would have to change the front/rear bumpers, tire carrier, and possibly the suspension, which would cost a fortune.

    AEV sell V8 JKURs just like mine all day long and keep the stock Rubicon driveshafts and Dana 44's albeit with 4.56 gears. They claim that these jeeps are meant for over-landing and are extremely reliable as is. They also however offer the serious performance axle set from Dynatrac as an option (PR44/60).

    I happen to know that the balljoints and housing on the front Rubicon Dana 44 are weak and will need replacing at some point in time. I also know that the brakes do need to be upgraded when you have a 6,500 LBs jeep. And I also know that the factory driveshafts will eventually need to be upgraded as well. I am not so sure about how well the Rubicon axleshafts will hold with the 460 lb.ft of torque of the V8.

    This being said, when I add up all of the expenses involved in keeping the stock Rubicon 44's and strengthening them, I find myself being very close in cost to purchasing the serious performance axle set from Dynatrac and reselling my axles.

    But every time I call Dynatrac, the person I speak to steers me towards the PR60/60 set instead of the 44/60.
    This makes me question the strength of the 44/60 compared to my stock Rubicon setup. Ideally, I would like to get the serious performance package (PR44/60) and retain the factory 5x5 wheel pattern. That would save me a ton of money versus buying new wheels and the difference in price between the PR44/60 and the PR60/60.

    Now I totally understand that a full float 60 is going to be a lot stronger and safer than a semi-float 60. but you are looking at spending, at a minimum, 1.5x what you would spend on the PR44/60.

    In terms of areas that fail, how much is the PR44/60 stronger than the factory Rubicon 44? Can you spend your day doing burnouts, running moderate to hard trails, and use the Jeep as a daily driver without worrying about axle failure with the PR44/60 and 37's? Could you eventually increase the tire size to 40's and wheel carefully with it as well ?
    First off, thanks for calling us and considering Dynatrac for your next upgrades!

    We prefer to sell axle sets that the customer will never have to worry about. We’re not sure what all was covered in your conversation with our sales techs, but something in that conversation must have driven them to suggest that the Hard Core 60/60 combo would be the worry-free choice. It could have been the idea of eventually going to 40-inch tires, which we do NOT recommend with any 44-based axle, even our ProRock 44 which is the strongest option available. 40s are just too big and heavy for the stock spindles, ball joint size (even with our HD Ball Joints) and ring and pinion. Yes, you can baby it and make it live for awhile - maybe even quite awhile - but that’s not what you have a V8 Jeep with Dynatrac axles for, right?

    If you can stick with 37s, the Serious Performance package is great. And you can opt to get the ProGrip brakes which will make a huge improvement in driving the vehicle every day. If you are pretty sure you will go to 40s in the future, then you’ll want 8-lug wheels a d our Hard Core 60/60 axles set, if not our Elite axle set.


    www.dynatrac.com
    Customer Support Phone: 714-596-4461
    Customer Support email: expeditor@dynatrac.com

  6. #16
    Nothing but a Thing jorgelrod's Avatar
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    Quote Originally Posted by Dynatrac View Post
    First off, thanks for calling us and considering Dynatrac for your next upgrades!

    We prefer to sell axle sets that the customer will never have to worry about. We’re not sure what all was covered in your conversation with our sales techs, but something in that conversation must have driven them to suggest that the Hard Core 60/60 combo would be the worry-free choice. It could have been the idea of eventually going to 40-inch tires, which we do NOT recommend with any 44-based axle, even our ProRock 44 which is the strongest option available. 40s are just too big and heavy for the stock spindles, ball joint size (even with our HD Ball Joints) and ring and pinion. Yes, you can baby it and make it live for awhile - maybe even quite awhile - but that’s not what you have a V8 Jeep with Dynatrac axles for, right?

    If you can stick with 37s, the Serious Performance package is great. And you can opt to get the ProGrip brakes which will make a huge improvement in driving the vehicle every day. If you are pretty sure you will go to 40s in the future, then you’ll want 8-lug wheels a d our Hard Core 60/60 axles set, if not our Elite axle set.
    This sounds awesome, being a PR44 owner, if I ever decide to go for an LS-swap in the future and 37's, would a FF 60 (PR or XD, whichever provides the best clearance) and the PR be a good combination or is th PR44 not up to the task of such a setup?

  7. #17
    Advertiser Exodus Jeeps's Avatar
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    Quote Originally Posted by jorgelrod View Post
    This sounds awesome, being a PR44 owner, if I ever decide to go for an LS-swap in the future and 37's, would a FF 60 (PR or XD, whichever provides the best clearance) and the PR be a good combination or is th PR44 not up to the task of such a setup?
    Depends on you really, but if you want to wheel that LS and 37’s with peace of mind it would probably be best to swap the front out to a 60 as well.


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  8. #18
    Caught the Bug
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    I can say from experience that after spending a couple grand in Moab (2 years in a row) replacing axle shafts go with PR60s. My Motech LS3 (37s 4.88 gears) now has the hardcore 60/60 package on it.

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    Last edited by RedRocker; 12-25-2017 at 11:24 PM.

  9. #19
    Nothing but a Thing jorgelrod's Avatar
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  10. #20
    Nothing but a Thing 13_gecko_rubi's Avatar
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    Having seen RedRocker run the reinforced stock axles for a few years and have to take it easy with his LS I’d definitely recommend 60s as well. I remember when he broke a u joint / axle shaft which took out the knuckle also in Moab. All parts that don’t change with a PR44. His new setup should last.

    If you’ve gone through the effort to put the V8 in, which is a commitment in itself, I think you’ll be happier being able to use it. Definitely think long term or it will end up costing you a lot more. I went from stock to PR44/PR60 SF to UD60s to now the XD60/PR80 that should be coming any time now. I was “never going bigger then 37s” then went to 40s. Then now swapping in the V8 and wanted to make sure never to have an issue. As long as Dynatrac doesn’t come out with a PR100 I think I will be safe for the future now lol


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