Anybody have one of these apart?

I'm interested in the planetary gearset. Is the sun gear smaller than a regular NP241? Did they increase the size of the ring gear? Does it have 6 planet (pinion) gears?

Is the piece that engages the main shaft/output shaft with the planet carrier and input shaft the same as a regular NP241 or NP231?

I'm wondering how they got the 4:1 (seems like gear ratio is determined by the formula 1 + Ring/Sun). Since so far, every 231 and 241 I've torn apart has the same planetary gearset and shift mechanism and they end up with 2.72:1. Well, girly 231s had 3 planets instead of 6. I'm wondering how they got to 4:1 with the NV241OR.

Just wondering how hard it'd be to put the 4:1 gearset into a 2.72 231 or 241.


I suspect they probably made the input gear (sun gear) a little smaller and the ring gear a little bigger. Wouldn't be too hard to increase the diameter of the ring gear by 3/4-1" without making the case any bigger. But if they left the outside diameter of the ring gear alone and only changed the input gear then it'd probably be a lot easier to retrofit.

www.howstuffworks.com


wow, search for plantetary gears

if your dead serious about this or you want more pics, I'll be going down to visit my friends at NV gear this coming weekend. I can get pics of whateve ryou want and measuremetns or can sell you a brand new one i got for prob 600 or 700

NV241OR for $600 new? I'll take it. Send me an email iambs@aol.com.

for $600 i'll take one also.

yeah me 3

Add to the list. $600 is a good deal.

www.howstuffworks.com


wow, search for plantetary gears

if your dead serious about this or you want more pics, I'll be going down to visit my friends at NV gear this coming weekend. I can get pics of whateve ryou want and measuremetns or can sell you a brand new one i got for prob 600 or 700

Planetary gears are stupid-simple, especially in a transfer case (ring gear is stationary). It only becomes more difficult when you do nifty things like in an automatic transmission.

I want to know how they got the 4:1 gearset in the transfer case. If they used a significantly larger ring gear then it'll be difficult to put that ring gear in a regular NP241. If they made the input smaller (make the most sense, not like a 4.0 is going to put out any scary amounts of power) then it'd be easier.

It'd be awesome if they kept the planet carrier to output shaft setup the same... then it'd be easier to put the 4:1 gearset in a regular 241 or 231.

However, if the input is different, the ring gear is significantly larger, the main shaft is different, and the collar that goes between the planet carrier is all different then it isn't worth all the effort.

So... what I'm trying to do is figure out just how similar the planetary setup is on a NV241OR is to a regular NP231 or NP241.

OK, here are some pictures.

Further away is a NP231 shaft. I left the low range collar in there also.
Closer is the NP241 shaft, NP241 planetaries, NP241 sun gear and input (in the planetary carrier), and shift collar.
http://wrath.com/4x4/images/np241np231/outputs1_S.jpg

You can tell that all the junk is the same for the 241 and 231.
http://wrath.com/4x4/images/np241np231/outputs2_S.jpg

241 planet carrier with sun gear/input inside.
http://wrath.com/4x4/images/np241np231/241planetcarrier_S.jpg

241 sun gear end view.
http://wrath.com/4x4/images/np241np231/241sungearend_S.jpg

241 sun gear side view.
http://wrath.com/4x4/images/np241np231/241sungearside_S.jpg

241 ring gear in the case.
http://wrath.com/4x4/images/np241np231/241ringgearincase_S.jpg

if you can get them for $600-$700, I'll take one too

I'll take a new NV241OR for $6-700, too!

Here's some good NV241OR info (http://www.jbconversions.com/pages/products/nvg241OR/index.html)

Can you put the 241 guts into the 231 so you could have the stronger internals??? I dont need 4:1's and can get 231's all day long.

I'll take a new NV241OR for $6-700, too!

Here's some good NV241OR info (http://www.jbconversions.com/pages/products/nvg241OR/index.html)

Put me down for 2 ea. :smokin:

Can you put the 241 guts into the 231 so you could have the stronger internals??? I dont need 4:1's and can get 231's all day long.

Look here (http://www.jbconversions.com/pages/products/np231hd/std.html) . The wide chain kit is the same components that are used in a 231DHD, and the 6 pinion planetary comes from a 241D.

wow, shoulda left him that in a PM.


I can get like 1 or 2 every now and then.

It'd look funny if I was getting 20 (big number 20 seems fine) a month. The guy that gets them for me can't do that. Maybe 1 or 2 every 3 months or so, I'l ltalk to him. If they could sell them for 600 or 700 all the time dont' you think you'd do so?


BrettM is first.
Brett I'll msg you on aol. and we can talk.

I'm not gonna damn well sell them either if I have the slightest inclination the'd end up on ebay or for sale somewhere else.

K no more hijacking thread on with tech, PM me bout this if it goes further.

Bunch of fscking douchebags polluting my thread. I've even got a 4,000+ post douchebag polluting my thread. It seems the only difference between a 15 post douchebag and a 4,000 post douchebag is that one has been asserting their douchebag-like selves for a while longer.

First, if you're going to snipe something that was offered to someone else you might want to do it with a private message. That way you don't look like a sniveling panty-waster.

Second, don't pollute something that just might be tech. It makes you look like a dolt.

Third, if you don't have anything useful to say don't bother wasting the bandwidth and our time.



Upon further investigation, it seems that the main shaft of the NP241OR is different than the main shaft on a regular NP241. That's what kind of screws the pooch so to say.

Therefore, it'd probably be easier to take a NP241OR and flip it upside down. Way outside my pricerange. I was looking for a 4:1 solution in the $350-500 range which is about what the gearset and machining the case would cost. Oh well, I guess 2.72 is pretty close to 4...

Bunch of fscking douchebags polluting my thread. I've even got a 4,000+ post douchebag polluting my thread. It seems the only difference between a 15 post douchebag and a 4,000 post douchebag is that one has been asserting their douchebag-like selves for a while longer.

First, if you're going to snipe something that was offered to someone else you might want to do it with a private message. That way you don't look like a sniveling panty-waster.

Second, don't pollute something that just might be tech. It makes you look like a dolt.

Third, if you don't have anything useful to say don't bother wasting the bandwidth and our time.


Do you feel cool now that you ripped on everyone?

:rolleyes:



Just curious, is all. I think you're cool if that makes it worthwhile for ya.

:bounce2:

Do you feel cool now that you ripped on everyone?

:rolleyes:



Just curious, is all. I think you're cool if that makes it worthwhile for ya.

:bounce2:

I ripped on everyone for being douchebags. They contributed nothing to my thread, they only put nonsense in it. Bunch of whiny "gimme gimme gimme" people.

I do appreciate those that contributed in a worthwhile manner.

sams off road sells the 231 4:1 from tera low for 850 shipped, incase you are interested.

sams off road sells the 231 4:1 from tera low for 850 shipped, incase you are interested.

Thanks for the heads up.

Aren't they two stage planetaries? Think it'll fit in a NP241? I'm not sure why they made a new front half of the transfer case. Think it'll survive 2500ftlbs of input torque?