NP202 vs NP205 - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 06-14-2007, 08:49 PM Thread Starter
 
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NP202 vs NP205

I've been doing some re-search on the NP202 and the NP205....
I know the NP 205 has a lot of after market parts and options... But the NP202 is a super strong t-case that dwarfs the Np205...
I've been reading up on the NP202 from Pirate, Binder forums and the M715 Zone...
It's given that the case is HUGE... But with the BIGGER case you get WIDER gears so you'll have less localized stress on the gear teeth resulting in better wear patterns.. With that being said it'll be able to handle the larger loads... The output shafts are about 1/4" thicker than the NP205's. Once again this alone dramatically increases the strength and reduces the possibility of an output snapping-in-half.. And another Pro is that the NP202 has a separate gear on the bottom soley for a PTO... So when the t-case is shifted to "N" it engages the PTO Gear.. So that means you can forward or reverse your Winch.... by simply putting the tranny in first or reverse and speeding up... Last the yoke size of th NP202 dwarfs the Np205's... The NP202's yokes are comparative to the NP 205's After market stuff (In strength)...
The down side of the NP202 is the Size and weight.... Some will say the lack of parts etc.. NOPE.... NAPA, Auto Zone, Advance Auto, Car Quest and a few other have parts readily available or 1 to 3 days out... Seals and gaskets are the Same as the Np200... NP205 (Apparently they're standard).. The Np202 does however have a special thrust bearing if I remember correctly... Which can be ordered from the stores mentioned above...
The reason I'm asking is because I have an NP202 under my IH 4x4... and I'm thinking about making it work under the Jeep... If I can't Machine something... ie: adapter etc... I'm looking at an NP205 with a 32 spline female input shipped to my door for a real good price....
Any PRO'S VS CON'S or thoughts?
Thanks: Fife
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post #2 of (permalink) Old 06-14-2007, 10:19 PM
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1. Most if not all of these cases are divorced cases so it will be to long for a jeep.
2. Why use a case that is bigger and heavier than a 205 in anything when almost no one is able to break a 205.
3. Why even put anything the size of a 205 in a Jeep when Dana 20's and 300's are commonly used with very few problems.
4. Being able to get parts, and Getting them fast and easy are two very different things. You can get parts for about anything if you have the time and or money.
5. Reading the post on Pirate and M715 zone. It apears that several different yokes where used. Some were large 1410 yokes but others were the small 1310 yokes. The major diameter of the shafts may be big but they used the old style parrallel sided splines. These cut much deeper into the shaft then modern involute splines. Also they had way lower torque ratings due to small tooth contact areas.

Wilhelm

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post #3 of (permalink) Old 06-15-2007, 05:53 AM
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I can say with confidence that a 205 is huge. I intended on putting one in my cj5 until I jacked it into place. Once there with the adapter I would have needed a new fangled double telescoping drive shaft to make things work. I axed the Idea and picked up the reduction box to mate to a 300.

Ya only go around once, best to enjoy it the first trip.
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