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4. 12-1/4 x 5 Inch Drumx
5. 16-1/2 Inch Wheelx

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…

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.

Hey Dwyane yes that is necessary unfortunately. We do have disc brake kits like the DeeMaxx Disc Brake Kit #DE68YR which will work with 7,000 lb axles that uses specific bearings. The last couple of things you'd need is a brake line kit…

...I currently have three diffrent self-adjusting assemblies for your boat trailer with 10" x 2-1/4" electric drum brakes which are attached for you below. eTrailer Electric Trailer Brake Kit part...

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…

I sure can Bob and thanks for the information! Since you have a Lippert 3,500 lbs axle you'll be able to use the Easy Grease Trailer Hub and Drum Assembly for 3.5K Axles item #AKHD-545-35-EZ-K, you were looking at. These have a 5 on 4-1/2 lug nut…

First you will need to remove the old hydraulic equipment. Remove the surge coupler or actuator, remove all the lines, and finally remove the brake assemblies. If you have 10 inch diameter hub and drums, you may need to replace those as well. If you…

Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using…

There really isn't a particular maximum trailer weight that is used to determine when brakes need to be added to both axles of a tandem axle setup. While I do still recommend checking your local laws, I am also not aware of any general laws that…

Hey Mark, since we know your trailer has two 7k axles and a bolt pattern of 8 on 6-1/2 inch the correct DeeMax disc brake kit would be the part #DE66AR which comes with everything needed to add electric over hydraulic DeeMax brakes to your trailer.

The correct set of replacement brake assemblies for your AxleTek 12 inch assemblies is the kit part #AKEBRK-7-SA that you referenced. This kit is a pair of left and right assemblies that are an exact match to what you have that are also self…

Hey Robert, yes the Kodiak disc brake calipers part #KDBC225DAC that you referenced will replace the Tie Down calipers you have now 46304, they can be used as a left or right hand caliper and does come with ceramic brake pads. If you ever needed…