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Can 7 Inch Hydraulic Trailer Brake Drums be Used with Electric Brakes

Question:

I have a 1997 Jayco 1007 pop-up camper. I want to convert the hydraulic surge brakes to electric brakes. It currently has Dexter 23-399 and 23-398 brake assemblies with 4 on 4 hubs. Can I use the existing hubs with these brakes?

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Expert Reply:

The Dexter hubs for hydraulic brakes # 23-399 and # 23-398 indicate that they are for use with hydraulic brakes only so you would not use them with electric brakes. The inside surface where a brake magnet would stick (called the armature surface) is not the correct design for electric brakes.

In order to go to electric brakes you would also need to change the hubs. To keep the same bolt pattern you can use hub # 8-173-16UC3. And then you would need brake assembly # 23-48 for the right side and # 23-47 for the left side.

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