Parts Needed to Convert from Drum to Disc Brakes on My Saltwater Trailer

Question

Question:

I have a 1993 EZ-Loader Express tandem axle boat trailer with drum brakes for my 24foot boat. I would like to convert to disc brakes and would like to know if this part # K2HR526DKG would do the trick? My inner bearing is 25580 and the outer is LM67048. Also, do you happen to have a conversion kit with master cylinder and brake lines included? Thank you for your help,

asked by: Don L

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Expert Reply:

Your outer bearing # LM67048 will have the same 1.250" inner diameter of the # 15123. So the Kodiak Disc Brake Kit # K2HR526DKG will fit the spindle on your axle without issue. I will say that you should check the bolt pattern on the back of your current brakes to make sure you have a 5 bolt, however. I included a picture of how it should measure as well.

As to the actuator, this will depend on if you were looking to go with a surge style actuator or electric over hydraulic.

If you are going with a surge actuator, I suggest going with the Titan Zinc Plated # T47457207K. This is rated up to 7,000 pounds and will work with a 1 7/8 or 2 inch ball. To complete this set up, you will need the brake line kit # T4829900.

If you were looking for an electric over hydraulic set up, I suggest the HydraStar Electric Over Hydraulic Actuator Kit # HBA16-252-82. This will include all needed brake lines and break away kit, but you will need a 7 Way plug like H20046 to complete the trailer side. You will also need a brake controller that handles electric over hydraulic systems, like the Tekonsha P3 # 90195. If you already have a controller that handles this though, you can skip that part.

expert reply by: Lazer S

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Brake Flange Measurements
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Answer 1

In order to install a Fulton Fold-Away Coupler Hinge Kit like part #FHDPB230101 on a trailer with surge brakes you are going to want to use a flexible brake line that runs from the actuator to the t-fitting just before it splits to each braking…

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Answer 2

Since the Vault Hybrid Lubrication System uses a specific hybrid oil which you did not use when re-greasing your bearings, you will not want to reuse the Vault bearing protectors. Instead I recommend going with the Bearing Buddy bearing protectors,…

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Answer 3

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 4

Hey David, from previous customers of ours who have the same 2020 Keystone Raptor 424 we have determined that your pin box style is the Lippert 1621 which means for a Gen-Y gooseneck adapter you'd want the #GY58GR that you referenced.

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Answer 5

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 6

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 7

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 8

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 9

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 10

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 11

Hey Richard, thanks for reaching out! The Dexter DX7.5 Drop-N-Go Brake Actuator #099-175-00 is a great option for a replacement actuator because it's a direct replacement for the common Model 60 actuators that were popular in the '90s.…

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Answer 12

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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Parts Needed to Convert from Drum to Disc Brakes on My Saltwater Trailer

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