Rear D44 Driveshaft Length vs D35 - JeepForum.com
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post #1 of 17 Old 08-07-2011, 12:07 AM Thread Starter
TJinSoFLA
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Rear D44 Driveshaft Length vs D35

We finally started to install a D44 I bought over a year ago. After finally getting everything mocked up in place we noticed that the stock driveshaft was too long. When we put the jeep on the ground the angle improved but not much. My brother says that there is a different driveshaft for the D44. I thought that the driveshafts were the same. Who's correct. And is there something we can do in the interim to improve the angles and make it fit? Thanks for any advise.

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post #2 of 17 Old 08-07-2011, 12:16 AM
ftgiles
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The snout on a D44 is longer than the snout on the D35. So, your brother is right and you need to have the DS shortened.
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post #3 of 17 Old 08-07-2011, 12:19 AM
Jankoid
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There is a different length shaft for the d35 and d44. Its about 1.5" shorter for a d44, though you need to confirm that for yourself.
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post #4 of 17 Old 08-07-2011, 12:23 AM Thread Starter
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Thanks guys. I hate when he's right! I'll try to get it shortened.
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post #5 of 17 Old 08-07-2011, 12:32 AM Thread Starter
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Last question. Is it even drivable with the D35 ds?
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post #6 of 17 Old 08-07-2011, 07:16 AM
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Quote:
Originally Posted by TJinSoFLA View Post
Last question. Is it even drivable with the D35 ds?
When your rear suspension moves up, your drive shaft slides in on the slip yoke. If the slip yoke bottoms out before your rear suspension hits the bump stops, bad stuff will happen.

Maybe it's not too long if you have a lift, but you'd need to fully compress your rear suspension to the bump stops and see if the slip yoke will bottom out.
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post #7 of 17 Old 08-07-2011, 10:34 AM
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For the record, it will work in the opposite swap, that is, going from D44 to D35.

(I know that sounds stupid, but our D44 grenaded and we found a D35 for $100 to put the jeep immediately back onto the road). Kept the D44 driveshaft installed.

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post #8 of 17 Old 08-07-2011, 10:51 AM
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Quote:
Originally Posted by TJinSoFLA View Post
Last question. Is it even drivable with the D35 ds?
Only you can answer that. Does your shaft bottom out when cycle your
suspension? If so then don't drive it.
Good time to upgrade to an sye imo.

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post #9 of 17 Old 08-07-2011, 11:46 AM
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Hate to sorta hijack..
But on the same topic.

I did a SYE with my D35. Now im upgrading to a D44.

Will my SYE and custom drive shaft bolt right up to my D44?
Next problem is whether my driveshaft will be too long (due to the longer snout of the D44)?

Most likley yes on the too long of drive shaft, but does the SYE add any thing to this problem?

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post #10 of 17 Old 08-07-2011, 12:12 PM
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Quote:
Originally Posted by kelso1337
Hate to sorta hijack..
But on the same topic.

I did a SYE with my D35. Now im upgrading to a D44.

Will my SYE and custom drive shaft bolt right up to my D44?
Next problem is whether my driveshaft will be too long (due to the longer snout of the D44)?

Most likley yes on the too long of drive shaft, but does the SYE add any thing to this problem?
Like someone else stated above. Cycle your suspension before you put the springs in and see if it bottoms out or not

There is not really any other way to tell

SAVVY,CURRIE,GOODYEAR

Nuff said...
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post #11 of 17 Old 08-29-2011, 06:59 AM Thread Starter
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Update: I installed the stock DS and it bolted up just fine. Originally, I tried to use it with out the TC drop but it started giving me drive line vibes. At least now I can justify getting a SYE.
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post #12 of 17 Old 07-30-2013, 09:19 AM
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Quote:
Originally Posted by Jankoid View Post
There is a different length shaft for the d35 and d44. Its about 1.51" shorter for a d44, though you need to confirm that for yourself.
13.5 inches for the D35 axle

11 inches for the D44

2.5 inches difference. I could not run the longer prop shaft in my 2" lifted TJ, I expect more like 6in" would be ideal for a simple swap...

In case anyone was looking for this info.
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post #13 of 17 Old 07-30-2013, 09:29 AM
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I've been using a D35 shaft with my swapped in D44 for 8+ years with no issues on various lift heights. Just my experience...



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post #14 of 17 Old 07-30-2013, 11:07 AM
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Originally Posted by vtx531 View Post
I've been using a D35 shaft with my swapped in D44 for 8+ years with no issues on various lift heights. Just my experience...
I was primarily specifying the exact sizes, but now that I'm on the subject, I'd love to swap out to use the longer ds.

What transmission/engine are you running? On my 2k TJ 6cyl 5spd, I thought I had the D35... But when I pulled the shaft, it was the 11". I have a 13.5" I got from a junkyard but when I looked at trying to throw it in (granted I did not compress the rear end fully), it gave me no room before the joint would press on the output shaft...

The problem is that the current shaft got beat up a bit when my girlfriend drove it after a u-joint cap split on her and she panicked...

Is there a good (as in simple to do myself, reliable and complete) write up on checking the shaft clearances that you can point me to?? I can't afford to blow out my transfer case or differential and my Jeep is old with a lot of miles on it..

If so, I'll check it out and post my findings..
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post #15 of 17 Old 07-30-2013, 11:37 AM
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I have a 4.0L/3spd auto. Had 4" lift with t-case drop, 1.75" lift, no lift.



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