Parts Needed to Convert Tandem Trailer to EOH Disc Brakes

Question

Question:

looking at your Kodiak disc brakes, I have two 7000 lb axles and a 2014 Dodge truck, My fifth wheel is a 38 footer, what would be all the parts that i would need to install this system on my fifth wheel and would the brake system from my dodge work with this also, looking to find out my cost as a kit would be? Thank you

asked by: Terrell E

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Expert Reply:

As long as the brake controller in your 2014 Dodge Ram pickup has a setting for electric-over-hydraulic (EOH) brakes then it should be able to work properly after you convert your tandem axcle 5th wheel trailer to EOH disk brakes. Aftermarket controllers like the Prodigy P2 # 90885 and P3 # 90195 offer the flexibility to work with either electric or EOH braking systems simply by selecting that option from their menu screens.

The linked article covers the entire process and parts required for converting a trailer to EOH disc brakes. There is no all-inclusive kit offered. You'll need two sets of disc brakes assemblies, a brake line kit long enough for your 38-foot 5th wheel, an EOH actuator, and breakaway kit. If you find you need a new controller then either of the Prodigy units noted above will be an excellent choice.

The linked page will display all disc kits for 7K axles. All use the 8-on-6-1/2 bolt pattern hub/rotors and all work with wheels 16-inches or larger. Prices for kits vary depending on the finish/material employed. A stainless steel kit like Kodiak # K2R712S will provide the longest life but costs substantially more than a raw finish kit like # K2R79.

You'll also need a tandem axle brake line kit like part # HS496-252 and an EOH actuator like the HydraStar # HBA16. The actuator will work with the factory brake controller in your 2014 Ram. For a breakaway kit use part # 20099.

expert reply by: Adam R

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Answer 1

In terms of capability the Dexter DX7.5L A-60 Brake Actuator w Electric Lockout - Bolt On - Disc - 2" Ball - Zinc - 7.5K #DX89FR is a good replacement option. The problem is the design of your old TDE LP7000 which was installed inside the tongue…

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Answer 2

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 3

The Demco Hydraulic Trailer Brake Actuator part #DM72VR should be a direct replacement for the Atwood 61101 Brake Actuator that you have now. This newest updated it rated at 7K instead of 6K. This is a bolt on option that mounts on 3" centers.…

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Answer 4

You can convert surge brakes to an electric over hydraulic braking system. To do this, you will need an electric over hydraulic actuator and a brake controller. For an electric over hydraulic actuator, I recommend looking at the Carlisle HydraStar…

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Answer 5

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 6

The Dexter DX7.5L A-60 Actuator #DX56FR you have is designed to be mounted on the end of the trailer frame as seen in the image below. Based on how your actuator was mounted the Actuator #DX89FR would best install like your current actuator. If you…

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Answer 7

The replacement I recommend for an Atwood Surge Brake Actuator 85778 is the Demco Hydraulic Brake Actuator part #DM62VR. It has the same ball size, offers a bolt-on install, and has a greater capacity. The only difference is it has an electric…

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Parts Needed to Convert Tandem Trailer to EOH Disc Brakes

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