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Unread 08-05-2009, 03:00 PM   #1
Dean O
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Yukon Jeep Dana 35 Alloy Axle Shafts

I'm looking for a bolt in option to upgrade my axles and eventually move to 35" tires. Are these axle shafts a decent upgrade to the standard dana 30/35 combo? I've found a pair of axles locally, both front and rear complete axle, 4.56 ratio, rear locker, and Yukon alxes for $600 bucks OBO. Are these worth it or should I keep saving for a new D44 and re-gear the front?

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Unread 08-05-2009, 03:45 PM   #2
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That's a fantastic deal, assuming everything's working and on the up-and-up. It's up to you and your wallet and your long-term plan (if any exists) to determine whether it's the right purchase for you, but it should be fine for 35's. And if it ever does break, fix/upgrade it.

Read this thread. It's right there on the first page.
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Unread 08-05-2009, 04:04 PM   #3
IslandTJ
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That's fine if you're not going to lock the D35. If you do plan on locking the D35 rear, I'd forgo the yukon shafts and invest in a Superior Super35 kit that defaults with a Detroit Softlocker.
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Unread 08-06-2009, 09:22 AM   #4
Dean O
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Thanks for the feedback. It seemed like a pretty good deal. I'm a little worried about the locker in the 35, but as mentioned I could upgrade to super 35 kit too. There is a sale pending on them currently but if that falls through I'll likely go for it.
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Unread 08-06-2009, 09:29 AM   #5
never monday
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What locker is in the 35?
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Unread 08-06-2009, 10:01 AM   #6
Jerry Bransford
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If those Yukon axle shafts are not 30 spline, I'd pass. 27 spline axleshafts, even when alloy, are barely an upgrade and are still are not up to a locker.
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Unread 08-06-2009, 10:13 AM   #7
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Quote:
Originally Posted by Jerry Bransford View Post
If those Yukon axle shafts are not 30 spline, I'd pass. 27 spline axleshafts, even when alloy, are barely an upgrade and are still are not up to a locker.
Is that just for the D35 shafts?

"You need to do some more learning about axle shafts and their construction.

Yes, 44's are 30 spline, but I'll take a 27 spline 4340 shaft over the strength of stock 30 spline 44 shaft any day of the week.

Why is that unfair?"
Mr.Blaine
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Unread 08-06-2009, 10:28 AM   #8
IslandTJ
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Quote:
Originally Posted by Jerry Bransford View Post
If those Yukon axle shafts are not 30 spline, I'd pass. 27 spline axleshafts, even when alloy, are barely an upgrade and are still are not up to a locker.
Yeah, most likely those are 27 splined shafts on the D35. On my D35, I have upgraded to the chromoly 27 splined shaft and added a Detroit TrueTrac. I originally wanted to purchase a chromoly 30 splined shaft for the D35 but unfortunately the TrueTracs are not offered/manufactured to be compatible with a 30 splined D35 .

So far the above setup has worked successfully for me and the type of trails I run here in the Pacific Northwest. However, if I were to consider locking my D35 - I would upgrade further to a Superior D35 kit (which is 30 spline) and lock it with an Eaton eLocker.
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Unread 08-06-2009, 11:56 AM   #9
Dean O
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Thanks, so it sound like these may not be up to what I'm looking for. I want to do it right this first time around. $600 is a great deal but only if I don't end up spending as much money upgrading these axles as I would on my own or buying a new one. Honestly the locker in the rear worried me from the start. He does not mention what type of locker in the ad either.
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Unread 08-06-2009, 05:22 PM   #10
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This is a great deal
Not the top end Evolution kit but the Discovery kit still has 4340 30 spline superior shafts and the detroit locker. This really is the only way to go for a D35......

http://www.4wheelerssupply.com/catal...ducts_id/73187
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Unread 08-06-2009, 05:31 PM   #11
Jerry Bransford
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Superior Axle's Discovery shafts are essentially a high quality non-4340 carbon steel with cut splines, not the hardened 4340 steel their Evolution series axle shafts with rolled splines use. Still, they are a great upgrade for a Dana 35c axle.
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Unread 08-06-2009, 05:37 PM   #12
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Quote:
Originally Posted by Jerry Bransford View Post
Superior Axle's Discovery shafts are essentially a high quality non-4340 carbon steel with cut splines, not the hardened 4340 steel their Evolution series axle shafts with rolled splines use. Still, they are a great upgrade for a Dana 35c axle.
Really,I thought they were both made from the same steel, just that the Discovery ones had machined splines instead of rolled as you mentioned and they are non US sourced.
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Unread 08-06-2009, 05:44 PM   #13
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Interesting.....


http://67.192.123.199/index.php/4x4w...s-in-your-axle
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Unread 08-06-2009, 05:48 PM   #14
Jerry Bransford
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I've seen that before and it confirms that the Discovery axles aren't made from a steel that can be classified as a hardened 4340 like the Evolution series axles use.
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Unread 08-27-2009, 11:20 AM   #15
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Quote:
Originally Posted by Jerry Bransford View Post
Superior Axle's Discovery shafts are essentially a high quality non-4340 carbon steel with cut splines, not the hardened 4340 steel their Evolution series axle shafts with rolled splines use. Still, they are a great upgrade for a Dana 35c axle.
This description would lead me to think that the Discovery shafts are the same steel and rolled splines as the evolution series. Is there any way to tell if splines are cut or rolled by looking at them? I have a set sitting right here and can take a look.

Superior Discovery Series Dana 35 HD Alloy Shafts C-Clip Style

Quote:
These High Quality replacement axle shafts feature the same Superior alloy used in our Evolution Series axle kits, along with computer controlled induction heat treating resulting in a stronger, more durable axle shaft. All our shafts use a cold-formed rolled spline process that produces an axle spline up to 35% stronger than cut splines! These are direct replacement axle shafts. No modifications needed.
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