Replacement Hydraulic Brake Actuator and Drum Brakes for Karavan Trailer

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Question:

Hi. I have a karavan trailer model # us-2800-sb-74-st-gl. I need to replace the brake actuator and drum brakes. I would also like to replace supporting brackets for the bunk lumber. Can you tell me which parts would be compatible with my trailer? Thank you

asked by: Artur K

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Expert Reply:

The Demco Hydraulic Brake Actuator # DM72VR you looked at will be a great replacement for your Karavan trailer. This matches the gross towing weight of the original brake actuator and mounts on a 3" wide trailer tongue. It also features the EZ-Latch coupler mechanism for a simple hookup and a 120-hour salt spray rating.

Your trailer came with galvanized 10" free backing brake assemblies. For a replacement I recommend the Demco Hydraulic Brake Kit # 40716-15. These brake assemblies have galvanized backing plates, stainless steel spring hardware, and zinc-plated wheel cylinders.

For replacement bolster brackets you can use the CE Smith Bolster and Swivel Bracket Assemblies # CE10000G-4. If you need U-bolts the # CE15283GA-4 is also available. These have an overall height of 9" with the actual bracket being 8" tall x 2-1/2" wide. The exact size of your current brackets was not available, so I recommend measuring to make sure you get the right height. I included a link below to all of our brackets if you find you need a different size.

expert reply by: Robin H

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Answer 1

The Dexter #DX27FR would make a good replacement for trailers weighing less than 7500 lbs. The coupler is compatible with a 2 inch trailer ball, so if your trailer meets those criteria, the #DX27FR would be an excellent choice. UFP is now owned by…

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Answer 2

According to my research the Tie Down 70lc is a hydraulic disc brake actuator. They are no longer made but can definitely be replaced with another actuator. I recommend to use the Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes part #099-175-20…

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Answer 3

I was able to do a little bit of research and it looks like the Karavan trailer you're referring to had a 7000-lbs surge actuator. To replace that I recommend using the Demco Hydraulic Brake Actuator w/ Electric Lockout - Disc - Zinc - 2"…

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Answer 4

Thanks for the pictures! It looks like you have a 3" x 5" channel so the Dexter DX7.5L A-60 Brake Actuator item #DX33FR will work for you. You will need to measure the width of the top of your channel to confirm this will fit.

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Answer 5

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 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

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 8

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 9

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 10

Yes, you can weld on the Dexter DX7.5L A-60 Brake Actuator w Electric Lockout - Bolt On - Disc - 2" Ball - Zinc - 7.5K item #DX56FR you referenced. You will want to make sure you remove the zinc coating and get down to the bare metal. I have…

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Answer 11

The DeeMaxx item #DE86VR won't because of the spacing on the mounting bracket but I have a caliper that will. To replace your Tie Down Engineering 46304 caliper you will need the Kodiak Disc Brake Caliper item #KDBC225DAC.

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Answer 12

We can get you a replacement for your TDE LP75 disc brake actuator; that's a 7,500 lb actuator that accepts a 2" hitch ball, and the correct option will depend on if your trailer tongue is 3" wide x 4" tall or 3" wide x…

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Replacement Hydraulic Brake Actuator and Drum Brakes for Karavan Trailer

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