Recommended Conversion Kit for Disc Brakes On 7,000 Lb Dexter Axles

Question

Question:

I have a 5th wheel with two 7000 lbs Dexter axles leaf spring. I want to replace the drum brakes with disk brakes. Which products do you recommend? Thanks,

asked by: Gert B

0

Expert Reply:

The best electric drum to hydraulic disc brake conversion kit we offer for a trailer with tandem 7,000 lb axles is the HydraStar Disc Brake Kit with Actuator for Tandem Axle Trailers part # HSE7K-T1. This is a complete kit that has everything you need so no extra trips to the store or waiting for things to arrive online. It comes with the hub/rotors, calipers, mounting brackets, brake lines, actuator, and other other hardware and fittings needed. Just add brake fluid and you're done.

expert reply by: Conner L

0

Brad S.

3/14/2024

do 7k and 8k used the same axle spindle, just different bearings?

Mike L.

3/14/2024

@BradS There are similarities and important differences between the bearings/spindle setups used for a 7 and 8K axle. Both use the same 25580 inner bearing, but the 8K uses a bearing that has a slightly larger OD. Also, the 7K spindles can use two different grease seals depending on the diameter of the spindle surface where the seal rides, one with a 2.125 ID, the other uses a seal with a 2.25 ID seal. The 8K uses a 2.25 ID seal. So, the short answer is maybe yes, maybe no. Hope that helps explain it for you!

Answer 1

Hey Randy! The #DE66AR has 1/2" wheel bolts and the #DE68AR has 5/8" wheel bolts. Are you looking for a complete kit with a specific wheel bolt size? What is your axle capacity? The #DE66AR is also for 7k axles and the #DE68AR is for 8k.

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Answer 2

Hey Larry, since your 2018 Montana 3121RL has 7k tandem axles the DeeMaxx brake kit part #DE66AR that you referenced would be the kit you'd need to add disc brakes to your trailer that includes everything. DeeMaxx makes really nice disc brake…

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Answer 3

Hey Gary, thanks for all of the info you listed on your 2024 Brinkley Z3100. Based on seeing all of that yes the DeeMaxx Disc Brake Kit part #DE66AR would be what you'd need to upgrade the trailer to disc brakes and it comes with all of the…

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Answer 4

Hey Bill thanks for the information. The C865H-9/16 in that axle tag number means you have 8 on 6-1/2 hubs with 9/16" lug studs. The Hydrastar item #HSE7K-T1, you were looking comes with 1/2" lug studs. You'll need the Hydrastar Disc…

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Answer 5

Hello Rick, thanks for reaching out. The 7,000 lb axle on your 2021 Grand Design Solitude 310GKR uses a standard bearing combination, so finding compatible disc brakes will be easy. Here is what I recommend: - DeeMaxx Disc Brake Kit - 13"…

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Answer 6

The springs of the Roadmaster Comfort Ride System part #RM-2460-2570 are the standard 1-3/4 inch width and will work great with the 7k ales you have installed on your 2018 Northwood Arctic Fox 32-5M that has a 35 inch wheelbase.

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Answer 7

Hey David, thanks for reaching out. The adapter module you mentioned simply installs inline with the actuator. I do have a diagram you should find helpful. I was not able to find anything specific to the Hydrapro adapter, but I do have a diagram…

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Answer 8

Hello Darren. Thanks for reaching out, I can definitely help with this. To convert your 2024 Brinkley Z2900 5th wheel over to disc brakes, you will need a disc brake kit, a brake line kit, and electric over hydraulic actuator, and a breakaway kit for…

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Answer 9

Hi Hugh, The Hydrastar Disc Brake Kit w/ Actuator for Tandem Axle Trailers #HSE7K-T1SO uses Hydrastar Ceramic Brake Pads #HYD85FR.

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Answer 10

The Timbren Axle-Less Trailer Suspension System - 4" Lift Spindle w/ Brake Flange - 5,200 lbs #TASR5200S03 you mentioned are indeed compatible with the Kodiak Disc Brake Kit - 12" Hub/Rotor - 6 on 5-1/2 - Dacromet/KodaGuard - 5,200 to 6,000…

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Answer 11

Hello Tony, thanks for reaching out. The Roadmaster Comfort Ride Leaf Spring Suspension Kit w/ Shock Absorbers #RM-2460-2570 is what you will need for tandem 7K axles. You will also need new U-bolts part #APUBR-8. As far as converting to disc brakes,…

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Answer 12

Since you have Dexter 7k axles, the only thing you will need is the Roadmaster Comfort Ride Leaf Spring Suspension Kit w/ Shock Absorbers item #RM-2460-2570. This is by far the best suspension upgrade you can do to your trailer. The benefit of this…

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Recommended Conversion Kit for Disc Brakes On 7,000 Lb Dexter Axles

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