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Parts Needed for Adding Brakes to a Utility Trailer  


If I mount these brakes on my trailer, can I reuse my existing hubs or do need to be replaced with special brake hubs? Thanks


Expert Reply:

You will need Hub Drums that have the hub built into the drum. For part # 23-47 you will need 7 inch Hub Drums, like part # 8-173-16UC3 and mounting flanges, part # 4-34, that will need to be welded to your axles.

This size brake and hub drum assemblies are for smaller trailers. You will pick your hub drum based on your wheel and axle size, then you will pick the brakes that fit that hub drum.

If you write back with your bolt pattern and bearing numbers, I can help you find the correct parts. I will include a link to a page to help you determine your bolt pattern. The numbers needed for your bearings will be imprinted on the bearings and seals themselves. You would disassemble the hub and read the numbers off the bearings and seals. Remember which order they go in. Some trailer hubs have different size bearings on the inner and outer sides of the hubs. I have also included a link to a page on removing and repacking bearings.

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