How to Determine if 6k Dexter Electric Brake Assembly for 4 Bolt or 5 Bolt Flange Will Fit Flange

Question

Question:

Hello, How do I know if item 23-105-09 will fit my backing plate? This is an old axle of unknown manufacture. It’s so old it has the Warner electromagnetic brakes on it. Thank you!

asked by: David

0

Expert Reply:

You'll need to do some quick measuring of your backing plate/brake flange to see if you can use the 6,000 lb Dexter Electric Brake Assembly for 4 Bolt or 5 Bolt Flange - 12" - Left Hand # 23-105-09.

I have added photos below that I hope will help. One is of a standard 5-bolt brake flange where the bolts are 2-1/8" apart except for the bottom which are 3" apart. The other photo is of is the brake assembly which shows the dimensions of the AL-KO/Hayes 4-bolt flange, where the holes are 3-1/8", 2-1/2" and 3-3/8" apart.

Hopefully this helps you determine if you can use the # 23-105-09, and if you can and also need the right hand side that part number is # 23-106-09.

expert reply by: Kyle S

0

5-Bolt Brake Flange Measurement
(click to enlarge)

AL-KO/Hayes 4-Bolt Brake Flange Measurement
(click to enlarge)

Answer 1

When mounting the etrailer.com Electric Trailer Brake Kit #AKEBRK-35-SA referenced in your question to the axle flange, you will want to torque the hex nuts to 45-70 ft-lbs. You will not need a lock washer for these 10 inch assemblies. These electric…

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Answer 2

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 3

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 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 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 6

Hey Richard, thanks for reaching out! The Dexter DX7.5 Drop-N-Go Brake Actuator #099-175-00 is a great option for a replacement actuator because it's a direct replacement for the common Model 60 actuators that were popular in the '90s.…

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Answer 7

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 8

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 9

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 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

The recommended lug nut torque for your 7,000lb axle depends on a few factors like wheel size, stud size etc. Check out the attached photo which shows the torque specs for a variety of applications. I see you were looking at the Dexter Nev-R-Adjust…

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Answer 12

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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How to Determine if 6k Dexter Electric Brake Assembly for 4 Bolt or 5 Bolt Flange Will Fit Flange

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