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Ford Bronco Parts - Classic Vintage Early Bronco Parts

NP-435 Four Speed Transmission Conversion

This is the temporary location for photos of my NP435 4 speed installation. This transmission is a much stronger unit than the original 3 speed found in most early Broncos. 2nd, 3rd and 4th gears are comparable to 1st, 2nd and 3rd gears in the stock 3 speed. However the NP435 has a much lower 1st gear (sometimes called a "granny" or "creeper" gear) which allows for much more control when rock crawling.



np435vs3spd1.jpg np435vs3spd2.jpg np435vs3spd3.jpg np435vs3spd4.jpg
Comparisons of the stock Bronco 3 speed and NP435 4 speed.

np435under1.jpg np435under2.jpg np435shifter4.jpg np435shifter4.jpg
Installation from below.

np435shifter3.jpg np435shifter6.jpg np435shifter2.jpg np435shifter1.jpg np435shiftercover.jpg
Shifter hole and cover plate.

np435adaptorside.jpg np435adaptortop.jpg
Adaptor



 

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