Can Disc Brakes Be Added To A Lippert 4,400 lb Axle?

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Question:

I have a lippert 4400 pound axle that I would like to convert to disk brakes. I currently have drum brakes. The hub uses a 6 on 5- 1/2 bolt pattern for the wheel. The mounting flange for the hub/brakes is a 4 bolt pattern. As I understand it, the 4400 axle uses the 3500 pound bearings, seals and races. All of the 3500 pound disk brake kits use a 4 bolt flange pattern, but use a 5 on 4- 1/2 wheel stud pattern. Looking at the 5200 pound disk brake kits, they use a 5 bolt flange bolt pattern with a 5 on 5- 1/2 wheel stud pattern. Will any of these kits work? Or would I need to get a new 5200 pound axle for the conversion?

asked by: Josh E

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Expert Reply:

Hello Josh. It is possible to convert your Lippert 4,400 lb axles over to disc brakes. The 4,400 lb axles generally use the same braking system as a 3,500 lb axle. These assemblies use bearing # L68149 and # L44649 so you will want to confirm the fit with your spindle. Assuming this is all correct, there are hubs that can be used on your trailer, but they are going to have the 5 on 4-1/2" bolt pattern. There is nothing in a 6 lug so if you convert you will need new wheels and tires too.

So, you can use a brake kit like the Kodiak Disc Brake Kit # K2HR35D which has 5 on 4-1/2" hubs. You will need a brake line kit like the Kodiak Hydraulic Brake Line Kit # 18SI-BLKIT which comes with an 18' main line. You will also need a hydraulic brake actuator which can be either a surge brake actuator like Demco # DM62VR, or an electric-over-hydraulic actuator like the Hydrastar Electric Over Hydraulic Actuator for Disc Brakes # HBA16 depending on your application.

If you want to go the EOH approach, we do have the Hydrastar Electric Over Hydraulic Actuator Kit for Disc Brakes # HBA16-252-82 which is a complete conversion kit. You get everything but the disc brake kits.

We wrote up an article that goes over the process of adding disc brakes to a trailer in detail, and you will find a link to the article below. This will be a great starting point for this project. Feel free to reach out if you have any other questions for me.

expert reply by: Jesse M

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Answer 1

Hey Adam, We can definitely get you set up to convert your 2011 Keystone Montana 346LBQ 5th wheel trailer from drum to disc brakes. You'll need a hub and rotor kit, so what you'll need is the following: - Kodiak Disc Brakes #KOD66FR Since…

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Answer 2

The Equal-i-zer Weight Distribution System part #EQ37100ET and Blue Ox SwayPro Weight Distribution System part #BXW1000 are both great options. However, in regards to combating trailer sway the edge has to go to the Equal-i-zer because it has true…

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Answer 3

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

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Answer 4

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 5

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 6

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 7

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 8

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

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Answer 9

Hey Dan, The info you provided does tell us a bit about the axle but isn't enough to look up what components go with with it. With it being a 3,500lb axle it's probably a generic 3,500lb kit for the bearings and seals but I'd hate to not…

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Answer 10

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 11

Hello Darren. Thanks for reaching out, I can definitely help with this. To convert your 2024 Brinkley Z2900 5th wheel over to disc brakes, you will need a disc brake kit, a brake line kit, and electric over hydraulic actuator, and a breakaway kit for…

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Answer 12

Hey Thomas, the most important factors for picking out a replacement leaf spring for a trailer are matching axle capacity and length. Getting the same amount of leaves in the spring pack is actually not a huge priority so I wouldn't worry too…

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Can Disc Brakes Be Added To A Lippert 4,400 lb Axle?

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