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Old 05-05-2011, 06:29 AM   #1
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Need some help ford guys

I recently picked up this transmission from work to replace the ba-10 in the wrangler. Im pretty sure it's a ford NP435 everything I read on novaks website points to that, it's a little dirty with some surface rust and lots of grease caked to it. It shifts into all gears and I can turn in when in neutral.
My question is if it's worth investing my time into it.
What's the second small shifter for/do?
Does anyone know what the casting numbers mean, I've been searching the Internet and not finding any thing.
Thanks
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Old 05-05-2011, 08:48 AM   #2
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im not a ford guy, but yea that looks like a np435... very strong compariable to the sm465u could run that upside down underwater and it wouldnt affect it... very stout tough trans.. very low low low first get like mid 6 to low 7... aka granny gear... also very heavy as u probably found out already... and that second level is for that brake that is hanging of the back of that thing... nice to have if it is still good... should be like a ebrake and lockable.. also there is no overdrive... 4th gear should be a 1:1 ratio.. it would be a good off road trans... not a highway trans...

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Old 05-05-2011, 03:21 PM   #3
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Thanks, I don't know a whole lot about these trans just that there strong.
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Old 05-05-2011, 04:30 PM   #4
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Originally Posted by motormike86 View Post
Thanks, I don't know a whole lot about these trans just that there strong.
They are strong trannys. What transfer case does your jeep have? Mine has the Peugot also and I'm going with the AX-15 and had to get the NP231. I know mine had a 207, which you COULD adapt to that tranny, but i wanted the lower low gear in the 231. Just letting you know.
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Old 05-05-2011, 04:34 PM   #5
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Yup 435 baby, tougher than nails! 6.69 first gear and 1.0 final drive. Use that in front of a 205 case and your bulletproof.
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Old 05-05-2011, 04:53 PM   #6
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I have a 231, I would like to keep it but paying $500 for an adapter is a killer.
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Old 05-05-2011, 04:54 PM   #7
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Why keep it? The only reason I would think is for the .76 lower ratio. The first gear in the 435 more than makes up for that. Plus with a 205 you get gear to gear instead of chain, a multitude of yoke options, a fixed rear output, and the ability to put a 203 reduction box in front and have 4 to 1
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Old 05-05-2011, 06:22 PM   #8
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Why keep it? The only reason I would think is for the .76 lower ratio. The first gear in the 435 more than makes up for that. Plus with a 205 you get gear to gear instead of chain, a multitude of yoke options, a fixed rear output, and the ability to put a 203 reduction box in front and have 4 to 1
There ya go I knew someone would know more than me let us know how it goes and maybe get some pics of the swap and such
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Old 05-06-2011, 08:25 AM   #9
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Thanks for the 205 info, I did some reading on it and looks solid. Gonna start digging around the scrap yard to find one. I'm looking to install the trans in the fall, I wanna drive it for the summer yet. I'll put up pics of the swap, gonna do the 8.8 rear at the same time
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Old 05-06-2011, 08:54 AM   #10
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Should be very very simple to find because 90 percent of the trucks made from 66-79 had one. They are arguably the toughest transfer case on the planet....I know lots of pull trucks with over 2K horsepower using um.
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Old 06-28-2011, 12:30 PM   #11
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So I'm collecting parts to install this beast, I've got a bellhousing from a 78 cj5 T150 trans. It's supposed to bolt right up to it which it does line up perfectly, but it won't fit over the front bearing retainer. Has anyone else had this problem? I figure I'll have the bearing retainer machined downed but wanted to get some input

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