Parts Needed to Convert a Trailer from Electric Brakes to Hydraulic Disc Brakes  

Question:

Expert Reply:

First, we can absolutely supply all the parts you will need for an electric to hydraulic disc brake conversion. We actually have a handy FAQ article, liked for you, that explains everything that you will need. The article covers parts needed to add electric over hydraulic brakes so there are some differences.

For example, you will not need an electric over hydraulic actuator or brake controller if you go with a regular brake actuating coupler like # T4822800.

Some parts are specific to the trailer, like the rotors/hubs, so I would need to know the inner and outer bearing numbers stamped into the metal of the bearings and the wheel size. Some parts are already on the trailer like the brake mounting flange. You just have to make sure the flange mounting pattern matches the new brakes.

We have several disc brake assemblies for 7,000 pound axles. There are differences in the finish. A raw finish has no paint or coating, it is just steel. If you never experience winter or rain, this is the most economical way to go. Raw finish steel is very susceptible to corrosion.

E-coat is a step up from raw finish. The E-coat is basically a black powder-coating to offer some corrosion resistance. A step up from that is the Silver Cadmium finish which offers much better corrosion resistance and has a 400 to 600 hour salt spray rating.

Stainless steel is the ultimate in corrosion resistance. Stainless steel is a pricey material so that coupled with the excellent corrosion resistance is why they are the higher dollar items.

You will also need some brake line and flexible hose like # T4830000. I have included a link to all the 7k disc brake kits we offer. A complete kit that includes a coupler and brake lines is not available for two 7k axles.

expert reply by: Michael H

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