Replacement Brakes For Gooseneck Trailer With Heavy Axles

Question

Question:

I have a gooseneck dual tandem trailer with what appears to be 20K axles with electric brakes. I am trying to identify the manufacturer of the brakes. Each brake assembly has plastic backing plates that are split in 2 pieces and the plastic plates are held on with 6 - 1/2 studs with nuts. They appear to be self adjusting.

asked by: Mark L

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Expert Reply:

The largest set of brakes we will have is for a 15K axle. We have two options, the Dexter Electric Brake Kit, # 23-446-447 for 15K axles with 12-1/4 x 5 Inch Drums.

expert reply by: Michael R

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Answer 1

I spoke with my contact at Titan about the BrakeRite II #T4813102. He confirmed that they do not recommend completely submerging the BrakeRite. I also spoke with Dexter Axle to see if their Electric Over Hydraulic Brake Actuators, #K71-651, can be…

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Answer 2

Yes, you can use the Dexter 15K Hydraulic Drum Brake Assembly #23-407 in place of the 12K #23-409 on your trailer axle. Both share the same 12-1/4" x 5" dimensions and 7 bolt pattern so physically there isn't any difference…

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Answer 3

Many times Dexter hubs will fit on a Lippert axle, but Lippert does have a few axles out there with special spindle sizes. Every Lippert axle comes with a tag or plate on the axle that gives a serial number or NV number. If you can give me that…

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Answer 4

On the label for your axle there will be the capacity listed. If you see just 12k or 12,000 lb axle then the #K2R1258L12 would work. If you see 12k HD or heavy duty then it would not.

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Answer 5

If your trailer is currently equipped with electric-over-hydraulic drum brakes then a good portion of the conversion process to change it to an electric only brake setup will simply be removing existing components that are no longer needed. You will…

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Answer 6

We can get you set up with an electric over hydraulic system for your trailer with 15,000 lb tandem axles. I will say that you will not want to go with the higher pressure 1,6000 psi actuator, which is too high for drum brakes and can potentially…

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Answer 7

I confirmed with Dexter Axel that the mounting bolts on the Dexter Hydraulic Drum Brake Kit #23-406-407 require 90 foot/lbs. of torque when tightening.

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Answer 8

If you have 8 on 6.5 wheels, you will need the Kodiak Disc Brake Kit - 11" Rotor - 8 on 6.5 - E-Coat - Leaf Spring - 12K - Dexter/Lippert, part #K2R1258L12. This conversion kit was designed specifically for converting a trailer's brakes from…

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Answer 9

I have attached a link to a helpful article that explains everything that is needed when adding hydraulic disc brakes to your trailer. In addition to a kit like part #K2R1258L12 you will need to make sure you have the right brake mount flange, and…

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Answer 10

The Kodiak #K2R1258L12 Disc Brake Kit is compatible with a 12K Dexter axle with a 7-bolt brake mounting flange. Your current wheels/hubs should have an 8 on 6-1/2 inch bolt pattern. You'll also need an electric over hydraulic brake actuator, a…

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Answer 11

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 12

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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