Hummer Axle in A Jeep

[shady1147]

Anyone Ever Run or used a Hummer H2 Axle In a offroader??

please emial me if u have.. or any opinions on it..


sky_james18@yahoo.com

[Xjcrawler736]

dont waste your time. Their are plenty other axles out there that are cheaper, stronger, and easier to come by.

Dont get me wrong, the hummer axle can stand up to a good amount of abuse but their are a lot better options out there.

[Bebe]

Doesn't the H2 have the GM 9 inch, 14 bolt?

[Sewie]

Originally Posted by Bebe

Doesn't the H2 have the GM 9 inch, 14 bolt?

9.5" 14 bolt, 33 spline, semi-float

[shady1147]

what would be a better axle then a dana 60 and easier to come by then a dana 70?

[ramv]

It would be strionger then most Dana 60s (unless you find a 35 spline model).

If you are building a lightweight jeep, an 8.8" or 9" (Ford) is probably the way to go.

If you want the ultimate in hd, a GM full float 10.5" (SRW 3/4 ton and 1 ton 1973+) or a Dana 70 is the way to go. Got to pick and pull or any junk yard and get a 14 bolt for $75.

[Xjcrawler736]

Originally Posted by ramv

It would be strionger then most Dana 60s (unless you find a 35 spline model).

If you are building a lightweight jeep, an 8.8" or 9" (Ford) is probably the way to go.

If you want the ultimate in hd, a GM full float 10.5" (SRW 3/4 ton and 1 ton 1973+) or a Dana 70 is the way to go. Got to pick and pull or any junk yard and get a 14 bolt for $75.

I picked up a Dana 70 the other day in a junk yard for $35. The baddest axle before you get into the 2.5 ton arena is the 11.5" 35 spline 14 bolt. But these are going to be harder to find. Newer dodges and GMs. And they can only go up to 4.56 ratio.

In my opinion i think ford 9" is the best axle for light rigs and the 14 bolt is the best for big tire heavy rigs. Most other axles are just too hard to come by or cost to much. Unless you can find something in the yard like I did.

[geberhard]

14 bolt is also much easier and cheaper to build than the hummer. Maybe on your original questions you should gave some more bakcgorund, like what rig is this axle swap planned for, or if you already have a hummer rear axle available and that is why you are asking the question.

[Bebe]

read title of thread....

[geberhard]

jeep is kind abroad right? cj, yj, tj, xj, wj, waggy, etc... makes a difference to what axle is being recomended. also more details like what suspension, and tire size would help....

[misterfubar]

Originally Posted by shady1147

Anyone Ever Run or used a Hummer H2 Axle In a offroader??

I'm sure there are more than a few people who have taken their H2 off road without swapping in a different axle... does that count?

[bodyman909]

Originally Posted by Sewie

9.5" 14 bolt, 33 spline, semi-float

Also comes in 6,8 lug.
Worked out good for me since I needed the six lug pattern to match the D44 front.

It's a pretty stout axle with 1.37 dia shafts.

[ramv]

We actually thought about doing on in the Amigo for the rear axle to match the waggy fron t but did a 14 bolt FF instead and converted the front to 8 lug...

[Snowrydr01]

not to thread jack too badly, but has anyone tried the H2 breaks on a 14bolt? same lug pattern and would have e brakes? Might be a better swap then the eldo calipers? just throwing it into the mix

[ramv]

I believe all the oem disc'd 14 bolts have "drum in hat" parking brake so the calipers are similar to the front.

[geberhard]

Originally Posted by Snowrydr01

not to thread jack too badly, but has anyone tried the H2 breaks on a 14bolt? same lug pattern and would have e brakes? Might be a better swap then the eldo calipers? just throwing it into the mix

Why woudl you run a 6 lug 14 bolt (semi float) if you are swapping an axle? The semi float just plain sucks

[ramv]

Originally Posted by geberhard

Why woudl you run a 6 lug 14 bolt (semi float) if you are swapping an axle? The semi float just plain sucks

??

Its a pretty stout axle. I ran a similar sized semi-float Chrysler 9 1/4" for years with great luck in a very heavy truck with 37" tires....

I think this would be a fine choice for a 6 lug application.

Hell, I never had a problem even with 8 lug work trucks with the 14 SF. Stock tires and 350s/6.0s but they got beat hard on a regular basis. Lots of broken NV 241/Nv261 t-cases.

[geberhard]

running 37 or smaller on a 14 bolt that is not severely shaven is not a great move in my opinion. Clearance basically sucks, and the axle weight does not justify the swap. Sure, If I had the axle ready to bolt on geareda nd locked, and a matching front, would be hard to pass. But dumping money on buildinga hummer rear 6 lugger or a SF 14 bolt seems pointless as there are better options.

[bodyman909]

Originally Posted by geberhard

running 37 or smaller on a 14 bolt that is not severely shaven is not a great move in my opinion. Clearance basically sucks, and the axle weight does not justify the swap. Sure, If I had the axle ready to bolt on geareda nd locked, and a matching front, would be hard to pass. But dumping money on buildinga hummer rear 6 lugger or a SF 14 bolt seems pointless as there are better options.

Hummer rear 6 lugger or SF 14 bolt???

Arent they the same?

[geberhard]

hummer rear 6 lugger is on H3's and is nota 14 bolt, it is a 10 bolt. As far as I know all H2's are 8 lugs SF's. The H2 SF "14 bolt" differs a lot from older SF 14 bolts, including the disc brake option. I.e. Newer 14 bolts with disc brakes are a different breed from older i.e. 70's 80's 14 bolts used commonly on rigs being built, all internals, etc are different.

My point is, why dump the money on a SF axle and loose teh clearance and added weight? not worth teh trouble, even if you have teh axle for free.

[bodyman909]

I understand your point but why NOT use the SF 14 bolt for its strength and 6 lug app.
If your someone that has a 6 lug d44 up front already locked and geared for 35-37 inch tires and is looking for a rear axle that will hold up in stock form and still have decent ground clearance then why not?

Now you could convert the front D44 to 8 lug and get a full floating 8 lug 14 bolt rear but without some serious shaving you will be dragging it around with 35-37" tires.

[Sewie]

Originally Posted by bodyman909

I understand your point but why NOT use the SF 14 bolt for its strength and 6 lug app.

The 14 bolt H2 axle is an 8 lug. There is no 6 lug 14 bolt Hummer axle. The only 6 lug axle is the 8.5" 10 bolt in the H3.

[ramv]

Originally Posted by Sewie

The 14 bolt H2 axle is an 8 lug. There is no 6 lug 14 bolt Hummer axle. The only 6 lug axle is the 8.5" 10 bolt in the H3.

True, but you could get a SF 6 lug 14 bolt in the '88-'00 HD 1500 and LD 2500.

[geberhard]

Originally Posted by bodyman909

...rear axle that will hold up in stock form and still have decent ground clearance then why not?

that is teh problem, the 14 bolt SF doe not have good ground clearance. I would be more willing to run a waggy 44 rear , (I think Isuzu or passport may also work plus be disc braked already) 6 lug than a SF 14 bolt.

[ramv]

Yeah but a SF 14 bolt is much stronger then a Waggy 44. Its stronger then the 'zuzu one as well (which has larger tapered shafts to handle more load).

The big thing from what i have seen in 44s is weak housing allows flex, combined with traction breaks lockers and shafts (especially ARBs). I have seen one break on 32"s and a bunch on 35"s.

The SF 14 bolt is from 7200lb GVWr trucks (8600lb in 8 lug) and is much stronger. Albeit heavier and less clearance.

I think why you don't see more is most people either go for good ground clearance (Ford 9") or go big (14 bolt/70), however, I would certainly run one, in the right application.

With 37"s I drug my 70 a lot and broke shafts regularly. I wished I had the clearance of a smaller axle, but was glad for the easy swaps.

With 42"s it has plenty of clearance and I don't break shafts anymore (thanks to not being hung up all the time, and Iroks which don't hook up as good).