NP435 side view, dirt covers
most of the aluminum top.
There are Ford, Chevy, and Dodge versions of the NP435. The best
version for most Jeep owners would be the Ford version, but even this
version has some variations in the crucial input bearing retainer
size. The advantage of this transmission is the first gear is slightly
lower than first on a wide ratio T-18. Second gear is also lower
giving this transmission smaller a gap between first and second than
The NP435 has been used in Fords, Chevy, and Dodge trucks. The
following articles cover some things to look for to find the NP435 you
Ford NP435: Ford used the NP435 in the early 70s through early
GM NP435: Chevy used the NP435 in the 70s.
Dodge NP435: Dodge used the NP435 in the early 70s and 80s.