Recommended Electric Over Hydraulic Conversion Kit for a Tandem Axle Boat Trailer w/ Disc Brakes

Question

Question:

Could you help me determine which Hydrastar electric over hydraulic conversion kit is the correct one? I have a 2016 Ford F-350 and a tandem axle boat trailer that has existing 4 wheel disk brakes with surge coupler. Boat weighs 8k lbs

asked by: Eddie S

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Expert Reply:

To convert your tandem axle boat trailer to a electric over hydraulic braking system, I recommend the Hydrastar Vented Marine Electric Over Hydraulic Actuator for Disc Brakes item # HS481-8067. This kit includes the required breakaway kit and the 7-way connector. It has 1,600 PSI capacity and is rated specifically for disc brakes.

If you do not want the 7-Way you will want the Hydrastar Electric Over Hydraulic Actuator Kit for Disc Brakes item # HBA16-252-82.

I've attached an article to help with this conversion below. If you want to run new brake lines, I recommend the Hydrastar hydraulic Brake Line Kit item # HS496-252 for your tandem axle application.

If you need a brake controller that is compatible with electric over hydraulic brakes for your 2016 Ford F-350, you will want the Tekonsha Prodigy P3 Trailer Brake Controller item # 90195 and the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers item # 3034-P if you truck came with the 7-way connector from the factory. The Prodigy P3 works with electric over hydraulic brake set ups.

expert reply by: Jerred H

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Answer 1

Since the braking power is still hydraulic, you should have no issues converting from a vacuum over hydraulic system to an electric over hydraulic (EOH) system. The electric over hydraulic actuator will take the place of the vacuum that pressurized…

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Answer 2

For brake lines, we have many sizes and they are either flexible rubber hoses like #HS496-252 or fixed lines like #T4829900. I've linked the page to all the components and kits we carry.

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Answer 3

The HydraStar Marine Electric Over Hydraulic Actuator w/ Breakaway and 7-Way RV Harness #HS381-9067 is designed to work with an aftermarket electric over hydraulic brake controller. This kit will require you to wire in the components using the wire…

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Answer 4

To use the integrated brake controller on your 2020 GMC 1500 with the Hydrastar Electric Over Hydraulic Actuator for Disc Brakes #HBA16 you will need the Hydrastar Electric Over Hydraulic Actuator Adapter Module #HBA-CAM. The Hydrastar Vented Marine…

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Answer 5

The Hydrastar Vented Marine Electric Over Hydraulic Actuator for Disc Brakes #HS481-8067 is designed to be used with vehicles that have a factory OEM brake controller, which would mean there is already a 7-way on place. If your truck did not have a…

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Answer 6

The Replacement Remote Mounted SD Control Module for BrakeRite II T4834200 was discontinued back towards the start of 2021. You might be able to find a lone one being sold at a resale website or shop but my guess is you'll have a hard time…

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Answer 7

Part #PTW2997 works great for charging your breakaway battery when the trailer is not in use. This product is easy to hook up and fairly inexpensive compared to the price of a new battery. I strongly recommend this product. We do not carry any…

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Answer 8

The Titan Disc Brake Kit, part #T4843800 you referenced is designed for 3,500 lb tandem axles, and includes the brake lines. I would love to tell you that you will not have to replace any of the brake lines but you will not know if the brake lines…

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Answer 9

The difference in tire diameter will be an additional 2-1/2 inches going from the 225/75-15 which measure 28.4 to the 235/80-16 which measure 30.9 inches. As a general rule of thumb the minimum safe distance between front and rear tires on the same…

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Answer 10

The 60/40 axle placement formula is a great starting point and does take into account the tongue of the trailer from where the trailer sits on the hitch ball. Please keep in mind that this is a very basic formula or estimate for axle placement. For a…

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Answer 11

To use a HydraStar electric over hydraulic actuator with your 2020 Chevrolet Silverado 1500's OEM brake controller, you will in fact need to use the control adapter module (CAM). We have that included with the HydraStar Vented Marine Electric…

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Answer 12

The correct kit to upgrade your brakes is the HydraStar Vented Marine Electric Over Hydraulic Actuator for Disc Brakes - OEM - 1,600 psi #HS481-8067. This kit comes with the actuator, wiring harness, and breakaway that you will need in order to…

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