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Interesting indeed. I don't know how Dana licenses or if they do. For example, does a company like Dynatrac, which makes Dana-style axles exclusively, pay Dana a licensing fee? I would think that exclusive patents have expired, and that anyone can make a Dana-style axle now. To me, Dynatrac was a great fit for Ineos. It is a relatively small company that makes some of the highest quality off-road axles in the world.I don't disagree that something more manual would make more sense with respect to the INEOS ethos. Likewise, it's understandable why they did not; what's not understandable though it why they went with the activation and deactivation method they did. Old school trucks like the Hi Lux and 70 series either have a "normal" on-off button or knob that doesn't require any special sequence to activate or deactivate.
With respect to Dana - according to the data I could dig up, Jeep sold over 500 million Wranglers in the US and about 220 million Gladiators over the past three years - so let's just say around 750,000 total units. That means that over the last three years, Jeep has purchased no less than 1.5 million axles from Dana. Add to that the hundreds of thousands of RAM products that use Danas too and you could triple, maybe quadruple that number. That said, Stu and I have discussed this and have come to think that perhaps Jeep suggested to Dana to not sell axles to INEOS. I do not know this for a fact and neither Stu or I have any insider information, but it's a pretty convincing theory.
The Dynatrac Pro-Rock axles are:
(1) super-strong
(2) have excellent ground clearance
(3) can be ordered with your choice of gears: 4.10, 4.56. 4.88, 5.13, 5.38
(4) your choice of lockers: Ox manual lockers, ARB air lockers, Eaton e-lockers, Auburn ECTED Max locker
(5) and the front axles can be spec'd as free-spin - i.e. with manual locking hubs if you want (obviously not relevant for a full-time 4x4 like the Grenadier, but a super-cool option for folks with part-time 4-wheel drive and who upgrade their axles to the Dynatrac 60).
Dynatrac axles are made in the U.S. and the workmanship is outstanding. When I got a Pro-Rock 44 for my JK I didn't know whether I should put it under my Jeep or mount it on my wall. The thing was a work of art.
If I had to hazard a guess, I would guess that Ineos went with Carraro, in part because they make very good axles, and in part because they are a European firm. It seems that all the parts in the Grenadier - with the exception of the transfer case, which is made in Mexico - were sourced from European companies.
Just for kicks, here is a Pro Rock 60:
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