Trailer Brake Recommendation for LoadRite Boat Trailer with 10 x 2-1/4 Inch Wheels

Question

Question:

Please help. I need replacement surge brake assembly rightside for my loadrite boat trailer. Present actuator has a reverse lever. Brakes are 10inch 2 1/4, I believe the present set is uni-servo. Please suggest replacement. Maybe you can also help me understand what failed on this brake. Springs where all broken pads looked good. Manual adjuster was also broken. Thanks

asked by: Mike I

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Expert Reply:

There are many possible reasons why your brake could have failed. It is hard to specify why yours may have failed.

I recommend checking the reverse lock-out on your actuator to make sure it is working properly. Backing up with your trailer connected if your reverse lock-out isn't functioning could be why your brakes failed. If the lock-out isn't working, you could use the Demco Hydraulic Drum Brake Assembly - Free Backing # 40716, # 40715. These brakes would allow you to back up with your trailer, regardless of if your lock-out works or not.

If your reverse lock-out is fine, I suggest using the Demco Hydraulic Self-Adjusting Drum Brake # DMSB24428M, # DMSB24429M. These brakes will never need to be manually adjusted. You can simply hook up your trailer and go, without worrying about adjusting your brakes.

Both of these brake assemblies are galvanized and will be great to use on your boat trailer.

I understand only the right-side brake assembly is broken. However, we usually recommend replacing the brake assemblies on both sides at the same time. This way, you won't end up replacing the other side's assembly in a few months. You can get all of the work done at one time. Replacing both sides also allows you to know that all wheels have functional brakes.

expert reply by: Victoria B

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Answer 1

Good questions. The difference between free backing brakes like the #AKFBBRK-35-D and regular hydraulic drum brakes like #DMSB18794M-93M (referred to as duo or duel servo) is that the wheel brake cylinder has pistons on both sides of the regular/duo…

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Answer 2

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 3

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 4

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 5

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 6

The biggest difference between the servo styles that you'll notice is between free backing plates and the others. The free-backing plates will allow your trailer to back up without having the brakes lock up. With surge brakes typically when you…

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Answer 7

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 8

The #99 trailer spindle is typically found on 9,000 lb and 10,000 lb axles. This is not a spindle that we carry at this time, but I did find some of the measurements. I have attached a diagram showing the dimensions of a #99 spindle for you to check…

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