Correct Brakes for Big Tex Tandem Axle Trailer with 8-249 Hub

Question

Question:

Hi Folks, I have a old Big Tex dual axle trailer. I need new brakes. There is a 3 diameter hole and four bolts in a square 2 7/8 on center. The hub castings have a number - 8-249. Can you tell me anything about the axle and replacement brakes? Maker and model? Thanks for the help,

asked by: Chris M

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Expert Reply:

It looks like you have a Dexter 3,500 Lb Axle so in order to replace the braking assemblies you can use the Electric Trailer Brake Kit part # AKEBRK-35-SA. If you want to replace the hubs as well then you can use the Dexter Trailer Hub and Drum Assembly part # 84556UC3-EZ.

expert reply by: Conner L

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Answer 1

Yes, the #84556UC3-EZ is the correct hub and drum assembly and the #23-26-27 will work for brakes. However, you might want to consider the Dexter Nev-R-Adjust #23-468-469 for brakes instead. Since they are self-adjusting, you won't have to worry…

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Answer 2

All breakaway switches like the one included with the SMI Stay-IN-Play DUO Supplemental Braking System #SM99251 work the same way and they are essentially universal. You can certainly use your existing one and keep the one included in the SMI kit as…

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Answer 3

Hey Jeremy, Typically with boat trailers the manufacturer will install hydraulic surge brakes because you don't have to worry about the water damaging wires like you would with electric brakes. That being said, if you use a heat shrink butt…

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Answer 4

Based on what information I could find about AL-KO 8490 hub and drums, it is rated for 3,500 pound axles, has a 5 on 4-1/2 bolt pattern, and is a 10 by 2-1/4 inch drum. If this is the case, we have several options for you. I have attached a link to…

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Answer 5

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…

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Answer 6

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 7

Yes, the Electric Trailer Brake Kit - Self-Adjusting #AKEBRK-35-SA that you referenced are an exact replacement for the AxleTek assemblies you have now that have Axletek-10-GG stamped on them. If you check out the attached picture you can see the…

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Answer 8

The Trailer Hub and Drum Assembly part #AKHD-545-35-K is the correct replacement for an AL-KO 7230. In regards to the braking assemblies, I suggest getting a new pair, the Electric Trailer Brake Kit part #AKEBRK-35-SA. This option will save you some…

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Answer 9

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 10

The Pro Series Swivel Jack #PS1400300303 that you referenced should fit fine in your application. In the picture of the jack that I have provided has the measurements indicated. From the center of the mounting bracket to the foot plate is 11 inches.…

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Answer 11

The Pro Series Round Snap-Ring Jack, #PS1400300303, will bolt around your 2 inch trailer tongue. This jack can bolt to frames up to 3 inches wide by 4 inches tall and will have no problem fitting on your trailer. I have attached a photo showing the…

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Answer 12

I went out o the warehouse to verify the measurements on the Pro Series Round, Snap-Ring Swivel Trailer Jack, #PS1400300303. It will fit either a 3 inch by 3 inch tall or a 3 inch by 4 inch tall trailer frame. I have made a picture showing the…

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