10000 usd a set. Pass

 

Unimog or Volvo C303/ 306 axles are way cheaper, and fairly easy to adapt to a Jeep. Availability in the USA isn't the greatest, but not a problem here across the ocean. That being said, ~10k $ for a set of four portal boxes that are supposed to be engineered to hold up on 1-ton axles isn't really that bad. Those aren't produced as massive production runs, and the desing/ machining/ etc. isn't exactly a cheap thing to do.
Set of Dynatrac Prorock axles start at around 10k $, going all the way to around 20k $. A set of junkyard kingpin D60 + 14 bolt GM is a under a grand, add portal boxes 10k $ and other stuff, and you're still well below the total price of a set of new axles - but with way better ground clearance.

We had a guy on a local forum build his own billet aluminum portal boxes, he did the whole thing from scratch. Day job as a design engineer for heavy machinery parts, CAD/ CNC work. If I remember correctly he was well over 2-3k for just the parts and blocks of aluminum for the boxes, doing all the designing and CNC machining on his own time.

 

Yeah it's not bad considering the total cost of top end axles. If you can get the one tons for cheap it's worth it. Plus you are getting a 5 inch lift right from the start.


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wonder what the wheels cost with 8.75 BS. I was supersized they fit in at 17" wheel. At first look at the assembly i was thinking maybe 20"s. 50% gear reduction So....what gears would work for a DD/trail jeep. or does this end up on a trailer..... if they are still just 10k for 4 hubs, i bet the wheels would be 4 k or close not like 2 piece bead locks at 8.75 back space are shelf items as well..... 2.73 gear in the dif you are still rolling is like 5.46:1. crawl ratio is great but will lack top speed a lot even with say a .60 OD.

18" of dif. did not notice what tire. I am at 12" with a d44 and 37s. Run a lot of hard trails and

 

I cant understand what this guy is saying but if you watch his video it looks like he might have a set on his zj.

he has some interesting mods on his zj thats for sure.

 

I cant understand what this guy is saying but if you watch his video it looks like he might have a set on his zj.

he has some interesting mods on his zj thats for sure.

Those are Volvo C303/304/306 portal axles from a 1970s Swedish light duty army vehicle. C303/306 axle differential is based on Dana30 (center section only), but they use a separate 3rd member like ie. Ford 9". With the portal gear reduction at the portal boxes, those Volvo portals handle 37"-40" tires on 3- ton trucks amazingly well.

Volvo and Unimog portal axles are fairly common across here, but they aren't by no means exactly cheap. Common price for a set of axles in good condition are anywhere between 2000-4000€ (which is about the same in US$) - and those are 40-50 year old axles.


I had a set of Unimog narrow- track portals and 42" rockers going into my project XJ, before I had to sell it years ago.

 

If you turn subtitles on, youtube will translate to english through the settings. But he definitely has portals bolted on.