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Carolina Broncos
4 speed tranny, will it work on EB - Printable Version

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4 speed tranny, will it work on EB - Crawdad - 08-10-2011

I'm looking at getting a NP435 (don't need it, but want it?!!!!) and I want to know if this one will work for me. I'm still getting info on it, will post more later.


4 speed tranny, will it work on EB - broncomatt - 08-10-2011

The 435 will bolt in place of the stock 3 spd. Some modifications may be needed. Realy depends on what its out of. But overall it should work.


4 speed tranny, will it work on EB - Crawdad - 08-10-2011

broncomatt Wrote:The 435 will bolt in place of the stock 3 spd. Some modifications may be needed. Realy depends on what its out of. But overall it should work.

Thx Matt,
Would the bellhousing from a three speed work for a NP435 4-spd?


4 speed tranny, will it work on EB - firefighter2134 - 08-10-2011

as long as the tranny has a square bolt battern rather than the trapezoid pattern


4 speed tranny, will it work on EB - Crawdad - 08-10-2011

The owner tells me the tranny is from a Ford F-250 2wd. Does not have bellhousing or linkages. 10 spline in front, 28 spline in rear. He said his 3 speed bellhousing doesn't fit the NP435.


4 speed tranny, will it work on EB - firefighter2134 - 08-10-2011

if the np435 has the square bolt pattern then it should be the same as the stock


4 speed tranny, will it work on EB - Crawdad - 08-11-2011

I'm going to look at it this weekend, will let you know. Such a good deal it is hard to pass up even if I don't have all the parts. I may just sit on it for a while.


4 speed tranny, will it work on EB - firefighter2134 - 08-11-2011

worse case just have to find a trap. bell housing. but i love the 435 swap i done. not really different on highway but super low first and reverse. cant wait to test it off road


4 speed tranny, will it work on EB - blazinchuck - 08-12-2011

the 3sp bellhousing should work, and what Asiel said(square bolt pattern-not trapezoid)this pattern is the tail shaft side.


you still need an adapter 1" thick. AA makes a intermediate housing(goes between tranny and T-case) that had the 1" adapter built into the intermediate housing(very pricey though) when i did mine i looked around and bought one (1" adapter) from ebay...bout $100


4 speed tranny, will it work on EB - blazinchuck - 08-12-2011

1" adapter with a 6cyl housing(this makes it a simple swap) no need to move cross member