Replacement Brake Assemblies for Dexter 8-285 Oil Bath Hub and Drum for 8,000 Pound Axle

Question

Question:

I have a 2003 dexter 8k oil bath axle with electric brakes with a drum number 8-285. I would like know if this is right brakes for my axle ..

asked by: Ryan H

0

Expert Reply:

For your 8-285 hub and drum similar to the Dexter Hub and Drum, Oil Bath # 8-285-9UC3 for 8K pound axles, the Dexter Electric Brake Assembly, Right Hand # 23-435 and Left Hand # 23-434 are the correct fit brake assemblies for your axle.

Another great option for replacement trailer brake assemblies are the Electric Trailer Brake with Dust Shield, Left Hand # AKEBRK-8L and Right Hand # AKEBRK-8R. These brake assemblies have the 12-1/4 inch x 3-3/8 inch size needed for your hub, are designed for 8K pound axles, and have a much more economical price than the Dexter assemblies. I've attached a review video of these brake assemblies for you.

expert reply by: Victoria B

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Answer 1

While a lot of wheels have cross compatibility with 1/2"-20 or 9/16"-18 wheel bolts, the Karrier ST235/80R16 Radial Trailer Tire with 16" Aluminum Wheel #KE39JR states that it only works with the 1/2"-20 wheel studs. We do have…

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Answer 2

Electric brakes such as Electric Trailer Brake Kit #AKEBRK-8 do not fit specific axles. These are 8,000 lb rated brakes with a 4-bolt mounting flange pattern and are 12-1/4" diameter x 3-3/8" wide, so you would need that mounting bolt…

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Answer 3

We do have the Dexter trailer hub and drum part #8-285-9UC3 which might work but you would need to verify a few things. This is an 8k oil-bath hub with a bolt pattern of 8 on 6-1/2 inches. The bearings it takes are 25580 Inner / 02475 Outer. You…

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Answer 4

Yes, the Dexter Hub Assembly #8-285-9UC3 will fit on your Lippert Axle, but after checking with Lippert it looks like the 8k axle that you're using originally came with a hub with 5/8" stud diameter, where this Dexter Hub has 9/16"…

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Answer 5

In order to find the correct hub/drum for a trailer you'll need to know the axle capacity. This can most easily be found listed on the axle tag in the center of the beam. The Trailer Hub and Drum Assembly part #8-285-10UC3-A for example is for…

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Answer 6

It might be possible to change out the studs in your hub from 9/16 to 5/8 if they are drive-in studs and not the type that threads in. If they are drive in and the diameter of the knurl end is approximately 0.6875 inches then you can replace them. We…

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Answer 7

The Kodiak Wheel Bolt - 9/16" Diameter x 2-1/2" Long #K916WB25 can replace your 5/8 studs as long as the knurl diameter and length work for your hub and wheel. For instance, the Kodiak Wheel Bolt - 5/8" Diameter x 3-1/8" Long…

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Answer 8

The Trailer Hub and Drum Assembly - 8,000-lb Axles - 8 on 6-1/2 - Oil Bath #8-285-10UC3-A is the replacement option we have. The only difference is the wheel studs are 5/8 inches instead or the 9/16 inch wheel studs of your current hub. This comes…

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Answer 9

Knowing your axle's weight capacity - in your case 8,000 lbs - is the first step towards finding the correct replacement brakes. The brakes you referenced, which are sold together as the Electric Trailer Brake Kit #AKEBRK-8, also have a 4 bolt…

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Answer 10

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 11

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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Answer 12

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Replacement Brake Assemblies for Dexter 8-285 Oil Bath Hub and Drum for 8,000 Pound Axle

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