Parts Needed to Add Brakes to a Trailer Axle

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Question:

I need you to set me up with a trailer brake kit . I have a 2 3/4 axle diameter. I need a #4 35 mounting plate to weld on . Not sure what backingplate. And drum to get . Can you set me up with all of the components. Louie V

asked by: Louis V

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Expert Reply:

The Brake Mounting Flange for 2-3/8" Round Axles that you would need is # 4-35. As far as brakes go for your set up, I recommend # 23-26-27. There are a few different bolt patterns that will determine what drums you get and you will want to match them to your wheels.

We have the following that will match up with the brakes and mounting plates above:

- 5 on 4 1/2" bolt pattern - # AKHD-545-35-K

- 5 on 4-3/4" bolt pattern - # AKHD-5475-35-K

- 5 on 5" bolt pattern - # 84556UC3-EZ

- 6 on 5-1/2" bolt pattern - 84656UC3-EZ

expert reply by: Jacob H

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Answer 1

You will need several items to add electric brakes to your Carry-On Utility trailer. Starting with the trailer you will need a hub and drum that matches the bearings and seal on your trailer spindle and your wheel bolt pattern. The only way to be…

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Answer 2

Each brake magnet should have 2 leads, one to power, one to ground. Most of the time, folks just ground the magnet to the trailer frame, and use the trailer frame itself as the ground circuit. I'd recommend finding the point where the wiring…

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Answer 3

I would measure the distance between the center of one bolt hole to the center of the bolt hole adjacent to it, and not the diameter. If the distance is: 2-5/8" - the bolt pattern is 5 on 4-1/2 2-3/4" - the bolt pattern is 5 on 4-3/4…

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Answer 4

The Dexter Trailer Hub and Drum Assembly #84556UC3-EZ referenced in your answer is a 5 on 5 inch assembly that is designed for most 3,500 pound axles. The drum dimensions are 10 inch diameter x 2-1/4 inches wide. This will slide over the axle spindle…

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Answer 5

No, but your local and state laws may require one. You will need to check anywhere you will be towing the trailer to determine if a breakaway system is required by law. They are also just a good idea in general because they will stop a run away…

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Answer 6

Absolutely! Once the 10mm bolt was removed from the frame of the 2021 Toyota Tacoma, we put the terminal end of the ground wire of the Plug-and-Play Wiring Harness for Redarc Tow-Pro Trailer Brake Controllers #RED99FR and reinstalled the bolt. You…

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Answer 7

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 8

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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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

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 11

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 12

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Parts Needed to Add Brakes to a Trailer Axle

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