Recommended Electric Over Hydraulic Actuator for Boat Trailer with Disc Brakes

Question

Question:

I have a Tandem axle 2005 Heritage Boat Trailer with surge hydraulic disc brakes. Should I get 1200 or 1600 psi kit? Mine is a identical trailer to the one in the video using the Hydrastar kit. Thanks

asked by: Gary S

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Expert Reply:

I have a solution for you but since you've got disc brakes on your trailer, you'll need an actuator that provides 1600 psi in order to engage the calipers on disc brakes. For that reason you won't be able to use the Hydrastar # HS381-9066 which only provides 1200 psi and is designed for drum brakes. Instead, I recommend using the HydraStar Marine Electric Over Hydraulic Actuator # HS381-9067 since it is made in the USA. This actuator will provide you with the 1600psi you'll need for your disc brakes and has a vented end plate that releases pressure, moisture, and heat in order to protect the internal components. This is going to allow you to mount this actuator just about anywhere on your trailer frame and not worry about overheating. This is a complete kit that comes with all the wiring you'll need, as well as the breakaway battery.

I've linked an installation video and review video for you to have a look at, as well.

expert reply by: Erik B

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Answer 1

I can probably track down some instructions for the Dexter part #099-175-20 but if your main concern is adjustability I can answer that right now and say no there is no adjustability. What you get is what you get with surge brake systems, but the…

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Answer 2

A hydraulic or surge coupler isn't adjustable for the weight of the trailer but strangely enough, they don't need to be. The brakes would certainly be more effective if there were more weight on the trailer, but conversely a lighter trailer…

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Answer 3

Wiring connections for the Electric Over Hydraulic Brake Actuator are as follows. Yellow - Cold side of breakaway switch, The wire that goes hot when a breakaway occurs. Black - Positive connection on breakaway switch, The wire that charges the…

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Answer 4

If you already have the round wiring connector on your 2016 Ford F-150, then you simply need the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way and 4-Pole Flat Connectors #C55774. If you do not have the round connector and…

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Answer 5

Your Dexter electric over hydraulic actuator like #K71-650 shouldn't be connected to your auxiliary battery. It should be powered by the trailer connection from the tow vehicle and the only battery connection should be the breakaway battery that…

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Answer 6

Yes, Ford's integrated brake controller in the 2018 model will work with the HydraStar Vented Marine Electric Over Hydraulic Actuator for Disc Brakes #HS381-8067. You will be able to you use a 7 way connector with this actuator and will probably…

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Answer 7

I really wish there was an easy way to go from a drum to disc brake Hydrastar actuator but you would have to replace the entire actuator. None of the other actuators we carry have this ability either unfortunately. The part #HS381-9067 that you…

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Answer 8

The best place to start for converting a surge drum brake setup to an electric over hydraulic is with the Hydrastar kit part #HS381-9066 which comes with the actuator, a breakaway kit, and all the electrical components you need for the conversion.…

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Answer 9

Can you feel the brakes dragging when you are towing? It's very common for disc brakes to get hot to the touch from regular use. They create quite a bit of friction which then creates heat. That said you can pretty easily convert the system to an…

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Answer 10

There is a drum brake version of the part #HS381-9067 that you referenced. For that you would want the part #HS381-9066. The big difference between these kits is the pressure rating. Disc brakes require a higher psi at 1,600 psi whereas the part…

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Answer 11

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

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Answer 12

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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