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Old 04-24-2009, 09:52 AM   #1 (permalink)
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Chevy front axle ID and a couple questions.

This is a 10 bolt, right?


I bought the axle as a 44, but I was a tad bit tired from working 12 hours, then driving two hours to get the axles, and it being dark didn't help. Also, my lack of axle knowledge doesn't help either. After inspecting it the next day, I'm thinking it's a 10 bolt. The two set of numbers I have are GM10 and 14030376.

The front axle does have an auburn locker, 4.88s, cross over steering and I'm told it has cromoly shafts, but I'm not sure how to find that out. Ideas?
Also, what size ubolt do I need to use for the cast side perch? Gotta get some ubolts today.

I wasn't really too mad about it since it was my fault and it's going under a YJ and if my stock d30 with 38.5"x15" boggers and a detroit can handle it, I'm sure this axle could.

The thing that really pisses me off is that the FF14 bolt was suppose to have a locker. I started tearing it down, cleaning it up and put disks on it, and I find out that the spiders are welded. Kinda pisses me off since this will be on my DD. And of course I can't get the guy to pick up his phone. So I gotta figure out how bad this is going to suck on the road. Lucky me I have trial boggers for such a test until I can find a detroit.

And.. What are the ubolt side for this axle? I'm finding two different sizes.

Thanks in advance
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Old 04-24-2009, 10:07 AM   #2 (permalink)
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Yes that's a 10 bolt and no it won't hold up to 38.5 Boggers. This shit belongs in the newbie forum.
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Old 04-24-2009, 10:41 AM   #3 (permalink)
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Better than your D30... but neather a D44 or a 10 bolt is going to hold up.

The 10 bolt gets a bad wrap from many people. It's just as good and some say a bit better than a D44.
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Old 04-24-2009, 10:45 AM   #4 (permalink)
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I was trying to figure out how he made a Dana 30 survive with 38.5s and I finally saw his screen name. Hard to break shit driving through mud puddles.
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Old 04-24-2009, 11:07 AM   #5 (permalink)
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Originally Posted by dirtchicken View Post
Yes that's a 10 bolt and no it won't hold up to 38.5 Boggers. This shit belongs in the newbie forum.

Figured chevy people would know a chevy axle a bit better than people who probably couldn't care less for the name/make/model. And the name is just a name.

Thanks for the heads up Currier.
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Old 04-24-2009, 12:44 PM   #6 (permalink)
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thats the thng about the newbie forum. Knowkedgable people go through there to help people who put their newbie questions in the right place.
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Old 04-24-2009, 12:55 PM   #7 (permalink)
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Old 04-24-2009, 01:22 PM   #8 (permalink)
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funny thing is this guy has been on the board longer than all but 1 of you that responded.
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Old 04-24-2009, 01:34 PM   #9 (permalink)
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Old 04-24-2009, 01:37 PM   #10 (permalink)
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funny thing is this guy has been on the board longer than all but 1 of you that responded.
You calling me old
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Old 04-24-2009, 06:55 PM   #11 (permalink)
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Newbs.
Never deal with chevy stuff except for the last 14bolt I had. And Can't remember measurments to save my life. Next time I'll stick it in the newb forum.

Thanks again for the ID
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Old 04-24-2009, 07:04 PM   #12 (permalink)
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Every moke has his own idea and opinion on what will work and what won't work and how.

I say, if you got it, run it. Or if you have the time and money to upgrade, then do that. Just have to be careful of how heavy you are on the throttle.

One friend with a Jeep breaks Dana 44s with 35s.

Another friend runs 35s on a front 30, a welded front 30, and still has yet to break anything.
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Old 04-24-2009, 08:00 PM   #13 (permalink)
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funny thing is this guy has been on the board longer than all but 1 of you that responded.
That's FTMFW!

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Every moke has his own idea and opinion on what will work and what won't work and how.

I say, if you got it, run it. Or if you have the time and money to upgrade, then do that. Just have to be careful of how heavy you are on the throttle.

One friend with a Jeep breaks Dana 44s with 35s.

Another friend runs 35s on a front 30, a welded front 30, and still has yet to break anything.
Exactly. You can't say "this axle sucks" just because you've broken 20 of them. I've seen Rockwells break...does that make them junk? It's all about the driver.

The good thing about GM 10-bolts is that everything at least from the knuckles out swaps between a Dana 44. And I'd mail that redneck locker back to that dude along with a canine tootsie roll.
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Old 04-24-2009, 08:33 PM   #14 (permalink)
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i never buy anything now without looking into it. unless its like a 50$ piece of crap then who cares what you get.

i like the 10 bolt better then 44 for the simple fact that parts are everywhere for the. i have so many extra axle shafts and bearings lying around i collected over the years. few spare axles on the side of the garage people just give them away.

but if your just running it for mud they could possibly be fine. my ten bolts i have lasted 3 years under a k5 with 38s, 2 years under a suburban with 38s, another year under a k5 with 38s now they are under a s10 with 33inch boggers. and still kicking. broke one front shaft under the burb. running a 400ci in all those trucks too
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Old 04-24-2009, 09:18 PM   #15 (permalink)
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I'm pretty sure these are the correct sizes for the u bolts on the 10 bolt seeing as it has 3" tubes. One is bigger due to the perch being cast into the diff. (going off of memory here so)

3- 5/8"x3.25"x9.5" u bolts
1- 5/8"x3.75"x10.5" u bolt

14bolt uses 5/8"x3.625"x9.5"
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Old 04-24-2009, 10:25 PM   #16 (permalink)
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Dana 44 and 10 bolt are pretty equal IMO, the dana 44 has smaller diameter tubes, but they are both the same wall size. Little more aftermarket support for the D44 i do believe, but 10 bolt parts are everywhere. Fix it up and run that bitch! 6 in 1 hand, half dozen in the other there.
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Old 04-24-2009, 11:48 PM   #17 (permalink)
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Thanks for those measurements about to go get a few made. I actually found a buddy who is giving me spare shafts, inner and outers so I should be ok on that should one break without spending any cash for a bit.

I did read the tubes were the weak point of this axle because of the thin wall, so I kinda figure I'd truss the long end from the diff down to the driver side perch. (still using leafs) That should give me a bit more rigidity. See how that works.

The guy actually got back to me after I said I was going to swing by tomorrow to tell me he was sorry and that he's out of town. He also said all sales final, which I'd be fine with the 10 bolt, but telling me theres an auburn in the rear is kinda messed. Next time I won't be so dumb, I hope.

Thanks again guys.
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Old 04-25-2009, 06:54 AM   #18 (permalink)
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the weak spot on a 10 bolt is the passengers side of the housing where the leaf springs bolt on. most of them break in the cast webbing at this point. trussing the drivers side might just accentuate the weak point. There isnt really a good fix for it.
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Old 04-26-2009, 08:45 PM   #19 (permalink)
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Thanks for those measurements about to go get a few made. I actually found a buddy who is giving me spare shafts, inner and outers so I should be ok on that should one break without spending any cash for a bit.

I did read the tubes were the weak point of this axle because of the thin wall, so I kinda figure I'd truss the long end from the diff down to the driver side perch. (still using leafs) That should give me a bit more rigidity. See how that works.

The guy actually got back to me after I said I was going to swing by tomorrow to tell me he was sorry and that he's out of town. He also said all sales final, which I'd be fine with the 10 bolt, but telling me theres an auburn in the rear is kinda messed. Next time I won't be so dumb, I hope.

Thanks again guys.


saying all sales are final, and misleading info on the rear, sounds like some crooked BS to me.

On the other hand, you need to know what you are buying and check shit over before hand
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Old 04-29-2009, 11:54 AM   #20 (permalink)
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38in or better?

Thanks to the nice people of this board, I just found out I have a 8.5 gm bolt up in front of my Samaria.
I'm not debating whether the 10 bolt is better than the Danna 44.
I do know that i have a welded front carrier and that causes a lot of axle stress. And I'm running an over sized tire for most axles.

I've been wheeling this sami for 3 years and just broke the passenger side knuckle. It was my fault, i jammed up the tire and forced the issue.....and well boom. I finished the trip in 3 wheel. I do go through a rear u-joint once a season it seems.
I guess I'm lucky or have a lighter foot than some.
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Old 04-29-2009, 04:45 PM   #21 (permalink)
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Old 04-29-2009, 08:36 PM   #22 (permalink)
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hahah did that small on purpose. I know how you lecher's are. ~ Just like me.
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Old 04-29-2009, 09:29 PM   #23 (permalink)
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Those axles will last with the tires on it. Your rig weighs like 800 pounds.
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Old 04-30-2009, 09:59 PM   #24 (permalink)
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Those axles will last with the tires on it. Your rig weighs like 800 pounds.
Pretty close to 800 i'm sure
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Old 05-02-2009, 10:34 AM   #25 (permalink)
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Nice Zuk.
My 10 bolt is going under a Yj with a 6cyl, so hopefully I'll have some luck. If not I'll move up. No big deal Since I have it, I'll run it until breakage actually becomes an annoying problem or until I find someone to buy the set.

Big, I'm with you on that. First time I actually delt with someone I. or a buddy, did not know. My fault.

I have another newb question.
I'm needing to replace the spindle bearings/seals and I'm throwing the axles under the jeep. My problem is that all the "big bearing sets" are talking about 6 lug hubs. Does anyone happen to have part numbers at hand for 8 lug hubs? I have all the other seals and bearings, just need to find the set for the spindles.
(Note: I am still searching after I write this.)

Edit:
I think I found the bearings. #550759

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