For those who want to run 37s on stock rubi D44s...
05-11-2015, 04:01 PM
#11
JK Newbie
Thread Starter
Join Date: Feb 2015
Location: Farmington, NM
Posts: 76
Likes: 0
Received 0 Likes
on
0 Posts
Looking at these - bearing pre-pressed.
I called northridge and the dude said he was pretty sure they were 4140, but no official confirmation.
I called northridge and the dude said he was pretty sure they were 4140, but no official confirmation.
05-11-2015, 04:08 PM
#12
JK Newbie
Thread Starter
Join Date: Feb 2015
Location: Farmington, NM
Posts: 76
Likes: 0
Received 0 Likes
on
0 Posts
05-11-2015, 04:18 PM
#13
JK Newbie
Join Date: Feb 2014
Location: Grosse Ile, Michigan
Posts: 78
Likes: 0
Received 0 Likes
on
0 Posts
I ordered through Northridge. Kinda hard to beat their prices. Before ordering I called and talked to my buddy at DTS in Michigan...they sell a bunch of Motive/Ten Factory stuff. If you look @ Tens catalog you'll see where they mention all rear JK axles being 4140. Northridge offers both options, with or without pressed on bearings. It's like $60 more for the pressed on bearings. I ordered them pressed on.
Last edited by Havoc40; 05-11-2015 at 04:21 PM.
05-11-2015, 04:34 PM
#14
JK Jedi Master
Join Date: Jan 2008
Location: Austin <--> Colorado Springs
Posts: 11,463
Likes: 0
Received 162 Likes
on
154 Posts
I called/emailed when I was researching replacement rear 30sp shafts. Don't know if anything has changed since then, or if the verbals I got were accurate, but ...
TenFactory and G2 - 4140 'for the JK'. (No 1541h for us.)
Nitro - 4130
AlloyUSA - 4140, (and got a verbal that you can special order 4340)
Yukon - select whatever strength I wanted, but they were not custom fit to the JK, so I would pay a shop to have them cut down.
Warranty
TenFactory and G2 - Ten years, flanges covered.
Nitro - 5 years, but only if it breaks. Twisted/bent/worn, you're out of luck.
Yukon - verbal that all damage is covered, lifetime on mfg defects.
Patterns
Yukon - triple drilled - 5x4.5 5x5.0 5x5.5
Nitro - triple - 5x4.5 5x5.0 5x5.5
TenFactory/G2 - dual - 5x5.0 5x5.5
AlloyUSA - dual 5x5.0 5x5.5 (I think)
TenFactory and G2 - 4140 'for the JK'. (No 1541h for us.)
Nitro - 4130
AlloyUSA - 4140, (and got a verbal that you can special order 4340)
Yukon - select whatever strength I wanted, but they were not custom fit to the JK, so I would pay a shop to have them cut down.
Warranty
TenFactory and G2 - Ten years, flanges covered.
Nitro - 5 years, but only if it breaks. Twisted/bent/worn, you're out of luck.
Yukon - verbal that all damage is covered, lifetime on mfg defects.
Patterns
Yukon - triple drilled - 5x4.5 5x5.0 5x5.5
Nitro - triple - 5x4.5 5x5.0 5x5.5
TenFactory/G2 - dual - 5x5.0 5x5.5
AlloyUSA - dual 5x5.0 5x5.5 (I think)
Last edited by nthinuf; 05-11-2015 at 04:37 PM.
05-11-2015, 05:11 PM
#15
JK Newbie
Thread Starter
Join Date: Feb 2015
Location: Farmington, NM
Posts: 76
Likes: 0
Received 0 Likes
on
0 Posts
nthinuf, thanks so much for sharing your research! 
Havoc40, much appreciation on the source and info!
Maertz, you should buy me those 300Ms!
All said and done, you really can't beat a 10yr warranty (including the flange).
Seems like if I were to bend more than one chromoly shaft, I'll have to start seriously considering a bigger rear end.
Havoc40, much appreciation on the source and info!
Maertz, you should buy me those 300Ms!
All said and done, you really can't beat a 10yr warranty (including the flange).
Seems like if I were to bend more than one chromoly shaft, I'll have to start seriously considering a bigger rear end.
Last edited by dog; 05-11-2015 at 05:15 PM.
05-12-2015, 04:05 AM
#16
JK Enthusiast
Join Date: Jun 2011
Location: Rosamond, Ca
Posts: 117
Likes: 0
Received 0 Likes
on
0 Posts
Upgraded to ALLOY about the same time as making the leap to 37's. While on 37's I did bend the front axle tubes. Running toyo 37's which we all know are super heavy just in themselves then add beadlocks to that and you have one heavy tire. Upgraded the front axle to a Dynatrac Pro Rock 44 with RCVs and haven't thought twice about it.