Replacement Electric Brake Assemblies for 3,500 Pound Axles

Question

Question:

Im buying brake assembly for my trailer its two 3500 pound axles with 10 inch they dont appear to be two and a quarter they appear to be smaller but they appear to be larger than 2 inches wide Im buying a kit in the kit only says 10x2 where is it seems to me I think their measurements are wrong are there brake for trailers that are 10 inch by 2 inch flat or is it only a standard thing that if theyre 10 inches by to their two and a quarter

asked by: Stephen L

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Expert Reply:

For the 3,500 pound axles on your trailer, I recommend the etrailer.com Electric Trailer Brake Kit - Self-Adjusting # AKEBRK-35-SA. These self-adjusting brakes do not require periodic manual adjustment like standard alternatives and these are designed to work on 3,500 pound axles. These are 10 inch x 2-1/4 inch brake assemblies that will use a 4 bolt mounting flange pattern. As long as the brake flanges on your axle use this 4 bolt pattern, these brakes will work great. Both the left and right side assemblies are included in the kit.

I have not heard of a 10 inch x 2 inch electric brake assembly. If you are able to give me the manufacturer of your axle or the brakes that you currently have mounted, I will be happy to look into this further to confirm that the above assemblies will work.

expert reply by: Chris R

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Answer 1

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 2

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 3

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 4

Hey Richard, thanks for reaching out! The Dexter DX7.5 Drop-N-Go Brake Actuator #099-175-00 is a great option for a replacement actuator because it's a direct replacement for the common Model 60 actuators that were popular in the '90s.…

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Answer 5

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 6

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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Answer 7

There really isn't a particular maximum trailer weight that is used to determine when brakes need to be added to both axles of a tandem axle setup. While I do still recommend checking your local laws, I am also not aware of any general laws that…

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Answer 8

Depending on how the trailer was made, there will be a few spots you can check to identify the axle. First, if the trailer was pre-made by a specific company, you may be able to find this information in either the paperwork or on a placard somewhere…

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Answer 9

If your trailer has 7 wires running all the way back to the brakes, then yes, you can tap into the existing wiring. Each of your new brakes will have two wires for the brake magnet. One wire is for 12 volt power to the brake magnets and the other…

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Answer 10

On Dexter 12" Nev-R-Adjust Electric Brake Assembly #23-458 the shoe pad thickness is 3/16 of an inch. Dexter says that you should replace the shoes if the material gets down to 1/16 of an inch thick or less.

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Answer 11

Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using…

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Answer 12

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Replacement Electric Brake Assemblies for 3,500 Pound Axles

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