Replacement Brakes, Drums, Hubs & Bearings For Dump Trailer With 10K Dexter Axles Manufactured 2006

Question

Question:

I am looking to change the entire brake and hub assembly out on a dual tandem dump trailer with 10k Dexter axles. My drum measures 12-3/16inch inside diameter at the outer rim which faces toward the axle. The outside diameter is around 14. The depth/width of the drum brake shoe contact surface is 3.5. The depth of the drum measured on the outside of the drum is 5. Would this be considered a 12-1/4inch x 5inch drum? I am trying to avoid ordering the wrong assemblies. The brake shoes are 3-1/2inch wide. The markings on the drum are 9-44, WF2, and Maximum Reboar Diameter 12.34. Axle Serial Number 154362566.

asked by: Nathan R

0

Expert Reply:

Thank you for the serial number as this allows me to confirm all the components installed when the axle was built. For a trailer with 2 of these axles you will need the following components to change out all the parts. The brakes are 12-1/4" x 3-3/8".

Dexter Left Electric Brake # 23-450 Qty 2
Dexter Right Electric Brake # 23-451 Qty 2
Dexter Trailer Brake Drum # 9-44-1 Qty 4

We do have the Dexter Trailer Hub and Drum Assembly # K08-288-90 if you want to replace the entire hub as well as the drum. Here are the bearings and seals used for your hub as well if they need replaced separately.

Inner Bearing # 387A
Inner Race # 382A
Outer Bearing # 25580
Outer Race # 25520
Seal # 10-51

expert reply by: Bud M

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Answer 1

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 2

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 3

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 4

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 5

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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Answer 6

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…

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Answer 7

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 8

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 9

You will need to measure the diameter of the spindles where the seal and bearings ride. Check out the picture I attached that shows where this is. You will need an exact measurement so either a digital or dial caliper will be needed. To pick out the…

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Answer 10

Depending on how the trailer was made, there will be a few spots you can check to identify the axle. First, if the trailer was pre-made by a specific company, you may be able to find this information in either the paperwork or on a placard somewhere…

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Answer 11

Torque specs for wheel lug nuts will vary depending on the diameter of the lugs, type of lug nut and the wheel's material. The linked chart details the recommended torque for many combinations. Dexter Hub/Drum #84546UC3 has 1/2-inch studs and…

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Answer 12

The Dexter Electric Trailer Brake Kit #23-105-106 are a replacement set for the 023-358-00. This kit includes a right and left brake assembly that is manually adjustable. I recommend the Dexter Nev-R-Adjust Electric Trailer Brake Kit #23-458-459 as…

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Replacement Brakes, Drums, Hubs & Bearings For Dump Trailer With 10K Dexter Axles Manufactured 2006

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