Parts Needed to Convert Disk Brakes to Electric Over Hydraulic on EZ Loader Boat Trailer

Question

Question:

I have an EZ Loader tandem axle boat trailer 2014 year model with surge disk brakes. I would like to convert it to electric over hydraulic, using existing brake lines, calipers and disks if possible. Do you sell a pump/actuator, battery box and coupler kit for a project like this?

asked by: Steve P

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Expert Reply:

To convert the surge disk brakes on your 2014 EZ Loader Boat Trailer to electric over hydraulic brakes, you will just need a few things.

First you will need an electric brake controller that is compatible with electric over hydraulic brakes. For your 2003 Ford Ranger, I recommend the Tekonsha Prodigy P2 # 90885. This is a proportional brake controller with digital display that will receive the signal from your vehicle's brakes and send it to the trailer's actuator. It will be mounted under your vehicle's dash once installed.

You will also need a universal wiring kit # ETBC7 to hard wire the brake controller and provide a 7 way connector to be used with your trailer. If your Ford Ranger does not already have a 4-flat installed, you will also need a wiring harness such as the Tekonsha T-One # 118344.

Next you will need an electric over hydraulic actuator. I recommend the HydraStar Marine Kit # HS381-9067. This HydraStar is specially designed for marine/boat trailer use because of its durable aluminum construction and a marine-grade gasket. This will help protect the actuator's internal components during use. This system also includes a Breakaway Kit and 7-way Harness so you will not need to purchase these separately.

Lastly, there are two options to consider for your trailer coupler if you convert to electric over hydraulic brakes. The first would be to simply remove your existing surge brake coupler and install a standard straight tongue coupler if possible. Some surge brake couplers may not allow this. I have included a link to our selection of straight tongue couplers since your choice will depend on the weight capacity you are needing. The other option is to just drill through your existing coupler and actuator housing and run a bolt through them to keep the coupler from moving when you brake.

The above products will work with your existing lines, calipers and disks. You will not need to replace these.

expert reply by: Chris R

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Answer 1

The Aluminum Bobcat Trailer Wheel #LHSJ211G appears to be the closest wheel we have to your JFW wheel. Doing an online search, the only wheels like this I could find were used, and I was not able to find the JFW company with that sticker.

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Answer 2

The item you selected, Titan Disc Brake Kit and Leverlock Actuator w/ Electric Lockout, part #T4747200, is zinc coated to prevent corrosion. To prevent warping, I would recommend allowing the brakes to cool after driving a long distance before…

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Answer 3

A great place to start your boat trailer brake conversion project is the linked article that covers the topic of changing a trailer to disc brake operation. The article includes links and details about the whole conversion process. If you choose to…

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Answer 4

The common recommendation with oil bath hubs is to not mess with them at all as long as they aren't leaking or the oil isn't milky looking. Some say to change every two years but most will say that as long as everything looks good just leave…

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Answer 5

It looks like you have 2,200 lb axles on your EZ Loader trailer. Since that is not a common axle rating you are going to have to remove the hubs of your trailer to get the bearing numbers so that we can pick out the correct system to fit your…

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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

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 8

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 9

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 10

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 11

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 12

Since both a ST145/R12 size tire, like the Kenda Karrier S-Trail #AM10130, and a 5.30-12 size tire, like the Kenda K353 #AM10068, fit a 12 inch wheel, a ST145/R12 size tire can replace a 5.30-12 size tire. Keep in mind that these tires do have…

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Parts Needed to Convert Disk Brakes to Electric Over Hydraulic on EZ Loader Boat Trailer

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