Converting from Electric Drum Trailer Brakes to Kodiak Hydraulic Disc Trailer Brakes

Question

Question:

I live in Canada and have a 1993 Hayshed 18 foot car trailer with two 3500# electric axles. On one of my recent trips to the states I cooked the bearings on one axle and had it get all heated up, melting the cable for the actuator. I need to repair this and upgrade the second axle as well. Looking for parts on-line I saw the disc replacement and Im wondering if this is a simple replacement or if there are several other parts to replace as well. For instance does it still use the same electrical hook up to actuate, stuff like that. I find the conversion kits to be economical, but wonder if there are hidden costs Im not factoring in.

asked by: Dave B

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Expert Reply:

To upgrade your car hauler to Disc Brakes will require several items. Since you are already setup with a brake controller for controlling electric brakes, the easiest way to upgrade would be to add an electric over hydraulic brake actuator to the trailer, like the Titan BrakeRite, # T4813102. The pump in this actuator will be activated by the brake output circuit coming from your brake controller.

If your brake controller is proportional, you will need to make sure it is compatible with electric over hydraulic braking systems. We carry the Tekonsha P3 brake controller, # 90195, which is compatible with electric over hydraulic braking systems.

Next, you need to make sure that the brake mounting flange on your trailer axles is compatible with the brake mounting flange in the disc brake kit that you purchase. For a 3,500 lb axle the 4 bolt brake mounting flange is most often used.

Once you have a disc brake kit selected you will need hydraulic brake lines to complete the installation. For a tandem axle setup you can use the Deluxe Hydraulic Line Kit, # 9579-2, to run lines from each brake caliper forward to the electric over hydraulic actuator.

Finally, you will need a breakaway kit, like part # T4822100, to complete the setup.

expert reply by: Robert G

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Answer 1

If you have the Titan BrakeRite II #T4835700 then the battery cable would have been included with your kit. If you check out the diagram I attached you can see how the battery cable installs into the BrakeRite II system. I have also attached a video…

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Answer 2

Hey Jim, the Kodiak Disc Brake Caliper #KDBC225DAC is designed so that it can be used on either side of a trailer axle so there isn't a specific left and right. This also can be used to replace a Reliable CR1000 and CL1000 so it will work for you…

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Answer 3

Yes we do. The calipers and brackets for the Kodiak Disc Brake Kit item #K2R35D can be purchased separately. The caliper is item #KDBC225DAC and the brackets are item #KCMB10RD. I have linked a diagram of the bracket for the Kodiak Disc Brake Kit…

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Answer 4

Hey Wendell! Thanks for getting back to me with all that information! I recommend the Kodiak Disc Brakes - 10" Hub/Rotor item #KOD67FR. These hubs have a corrosion-resistant Dacromet finish that stands up great in both freshwater or saltwater.…

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Answer 5

The DB-42 is an older style of UFP 3,500 lb axle disc brake components. The Kodiak kits like the part #K2HR35D will fit in replacement of that and would be an upgrade so this would be a great solution. It comes with everything you'd need to…

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Answer 6

Hello Eric, The #K2R35DKG is Dacromet-coated, and the calipers are treated with KodaGuard. The #K2R35DS, on the other hand, is made entirely of stainless steel, hence the higher price. If you're in an area where road salt is common or if…

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Answer 7

Hey Paul, can you get me the axle capacity of each of your axles? It would seem most likely you had 3,500 lb axles but based on your bolt pattern that doesn't quite add up so it's best to verify that first so we can make sure we get correct…

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Answer 8

I looked up some specs on your 2005 Karavan BW-2350-74-ST and based on its GVWR it more than likely uses a 3,500lb axle, though I HIGHLY recommend verifying this first since trailer manufacturers like to just use random axles they have laying around.…

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Answer 9

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 10

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 11

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 12

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Converting from Electric Drum Trailer Brakes to Kodiak Hydraulic Disc Trailer Brakes

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