Replacement Hub And Drums For Dexter 12K Axle

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Question:

Hi there I am trying to do a mild restore on my 40 gooseneck load trail. It currently has 12k Dexter axles d120 with Dexter pin mount disc brakes . The pins broke and most of it is worn. I want to find a kit for both axles, ideally hubs, bearing, races, seals , and brake components. Im ok with relocating the brake caliper mount if needed. if it helps my current hub bearings read - 3984 and 28682 thanks so much for any help! We have been lost trying to figure this all out.

asked by: Matthew K

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Expert Reply:

We have the perfect idler hub set up for you!

The Dexter Trailer Idler Hub Assembly for 12,000-lb Axles # 8-214-8UC1 has an inner bearing # 3984 and an outer bearing # 28682. The idler hub has a bolt pattern of 8 on 6-1/2 inches. The hub has an oil bath system that allows for easy maintenance. The Drum and Mounting Bolts # 7-103 are sold separately.

The Kodiak Disc Brake Kit # K2HR12A11-120DW will not work with your 12K Dexter axle because this kit is only for a 12,000 ALKO axle. The Kodiak Disc Brake Kit # K2R1258L12 will work with your 12,000 pound Dexter axle if you have the standard duty 12,000 pound axle. It will not fit a Heavy Duty 12,000 pound axle. If you need help determining which you have please reach back out to me with your axle serial number which is located on the sticker on the axle or could also be stamped on the axle tube on the rear of the axle on the passenger side.

I attached a review video link below.

expert reply by: Noah E

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Answer 1

Thanks for all of the info of your trailer hub, based on that the correct replacement hub is the part #8-214-8UC1.

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Answer 2

Since Dexter owns Rockwell now the correct parts you'd need to install disc brakes on a 12k Rockwell axle is the idler hub part #8-214-8UC1 and the disc brake kit #K2R1258L12. The disc brake kit is sold per axle whereas the hubs are sold…

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Answer 3

Yes, the Dexter Trailer Idler Hub Assembly for 12,000-lb Axles - 8 on 6-1/2 - Oil Bath #8-214-8UC1 will work with disc brakes.

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Answer 4

When removing the rotor on your 12k Dexter disc brakes, all you need to do is pull it off of the hub assuming you have already removed the caliper. The only thing that secures it to the studs is the wheel and lug nuts when you put the wheel on. It is…

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Answer 5

A bearing race or cone should fit tightly enough in the hub that it needs to be driven out of the hub with a punch from the back side. If the race is spinning in the hub, either the wrong race was used or the hub bore has been damaged in some way. If…

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Answer 6

The Lippert Components Clear Oil Cap Kit #LC693935 has an outside diameter of 4 inches. I've attached a video that shows this as well.

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Answer 7

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 8

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 9

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 10

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 11

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 12

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Replacement Hub And Drums For Dexter 12K Axle

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