Will Going with a Higher Rated Brake Magnet Give More Braking Power

Question

Question:

I want more brake power to lock my roll-back trailer for loading. Can I use the 12 inch magnets BP01-180 in place of the BP01-110/115 on my 10inch brakes for more strength to lock the axles while pulling the trailer with 5500lb 4x4 up on the axles? W/O locking the axles I just drag the loaded tilted trailer and axle together. Thanks in advance,

asked by: Bob

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Expert Reply:

Going to a "more powerful" magnet will not give you additional stopping power. All it will do is make your trailer brakes harder to fine tune as they will want to lock up easier. Your best option would be to stick with the proper rated magnets for your setup.

If your brakes are weak and won't lock up that could mean that your magnets are worn and need replaced or your assemblies are out of adjustment. The easiest possibility is that your brake controller just needs to be adjusted for more brake output.

I attached a video on diagnosing weak brake magnets as well as a video that details how to properly adjust brake assemblies. Fast forward to the 4:30 mark to see how to adjust the assemblies.

expert reply by: Jameson C

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Answer 1

I believe you almost solved the problem when you swapped the wiring, but in reality you needed to use 10 gauge wire like part #10-1-1 (sold by the foot). You are experiencing a voltage drop due to the long distance of wire that's not thick…

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Answer 2

Based on your description there is an issue with the wiring running from the 7-way connector to the trailer brakes on your trailer, but I will say this is a very odd issue. I recommend tracing the trailer brake output wire from your trailers 7-way…

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Answer 3

For your Dexter 10x1-1/2 inch brakes the old magnet style was a round magnet, #BP01-068.

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Answer 4

The correct replacement magnets for the Dexter assemblies you have is the part #BP01-110 that you referenced as I was able to determine that with the capacity info you gave.

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Answer 5

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 6

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 7

In order to verify the spindle dimensions so that you can pick out the correct hub/drum you have to get exact dimensions. For that you need to use a digital caliper like part #PTW80157. For how old your trailer is this is especially important as the…

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Answer 8

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Will Going with a Higher Rated Brake Magnet Give More Braking Power

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