How does a NV4500 work?

How does a NV4500 work?

First introduced in 1992, the NV4500 is a constant mesh helical geared, heavy duty 5 speed transmission. All forward gears are fully synchronized. The initial Dodge version offered a synchronized reverse. The transmission case is cast iron with an aluminum top cover.

How much HP can a NV4500?

Registered. The NV4500 will not hold up to steady towing even if you limit it’s input to less than 300HP. If you limit application of power to everything but 4th it should hold up pretty well. Every other gear is on the countershaft, and the countershaft is the weak link of the transmission.

Can a 5th Gear nut fail on a Dodge 4×4?

Since we started installing these retainers in all of our rebuilt Dodge 4×4 units, we haven’t had a single 5th gear lock nut failure. The NV4500 5-speed manual transmission often fails in fifth gear, even after installing a mainsaft update kit. In some cases the same transmission can fail over and over again.

What does 5th gear do on Dodge NV4500?

The otherwise reliable Dodge NV4500 4×4 manual transmission has one fault, a tendency for 5th gear failure, we have the solution. The Fifth Gear locknut retainer locks the nut to the spline on the main shaft. By doing this the retaining nut can’t back off. We have been installing this on our rebuilt units and have not had any failures to date.

How does the 5th gear retain nut work?

The Fifth Gear locknut retainer locks the nut to the spline on the main shaft. By doing this the retaining nut can’t back off. We have been installing this on our rebuilt units and have not had any failures to date.

Can a 5 speed manual fail in 5th gear?

The NV4500 5-speed manual transmission often fails in fifth gear, even after installing a mainsaft update kit. In some cases the same transmission can fail over and over again. That’s why Active Transmission & Gear’s owner designed a new locknut retainer that makes it impossible for the fifth gear nut to back off.