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Brake Mounting Flange for 3" Round Axle VS Brake Mounting Flange for 2-3/8" Round Axle





Code: 4-44-1


33 reviews

Our Price: $44.91


Product Specs:

Accessories and Parts

Trailer Brakes

Disc Brakes
Electric Drum Brakes
Hydraulic Drum Brakes

3 Inch Diameter Axle


12 Inch

Brake Mounting Flange

Redline


Video of Brake Mounting Flange for 3" Round Axle

Customer Satisfaction Score:

Ratings & Reviews

4.4

33 reviews

by: Willy R08/15/2012

Careful if you get this product. I specified for a 3" tube. What I got was ID 2.754". Thankfully I have a lathe and was able to bore it out to size.

Would be nice if the parts room checked the sizes before they send instead of grabbing what was on the shelf.


Would be nice if the parts room checked the sizes before they send instead of grabbing what was on the shelf." />
Patrick B. profile picture
Etrailer Expert

Patrick B.

11/28/2012

The part you received is correct. The flange is for use on 3 inch axles, but it does not mount to the axle.The spindles on 3 inch axles measure 2.75 on the shoulder where the flange should be welded. It should be mounted to the shoulder of the spindle right next to where the spindle is welded to the axle.



by: Eric M.09/13/2012

This is an exelent flange if you want to convert an axel that is not allredy a breaking axel it worked great for me



by: Joseph08/19/2025

Part fits very well!



by: Jason D.06/15/2017

High quality and well made. Made to fit the spindle of a 3" Axle. It fit, but the brakes would have been so far out on the axle that the hub would not even bolt on. Glad I checked before welding. Further investigation found that I have a shorter than average spindle length.
THESE MOUNTING FLANGES WOULD NOT WORK FOR ME AND WERE RETURNED!

Mobile home axles usually come in two "basic" sizes. The "smaller" size spindle, with the 1.9" grease seal and or 1-3/8" inner bearing (the larger spindle "usually" has a 2.25" grease seal and 1-3/4" inner bearing)
If you have the Larger axle, with the 1-3/4" inner bearing and larger grease seal then this mounting flange should work.

I had the 1.9" Grease Seal and therefore a shorter spindle length, so I had to weld the brake backing plate directly to the 3" axle tube.
THESE MOUNTING FLANGES WOULD NOT WORK FOR ME AND WERE RETURNED!
I put the brake assembly on the axle, reinstalled hub and bearings then tightened down. Next, put the brake assembly in the hub and adjust brakes tight to the drum while keeping both concentric. When both are tight together make sure brake adjusting holes are at bottom towards the ground and weld brake backing plate to the axle.



by: Stephen10/05/2020

It is a flange for a 3” round axle. It is to be welded onto the axle. Unfortunately, the inside diameter is ONLY 2.75 “. It will not fit directly onto the axle unless you do some serious grinding. It is possible that I do not know how it should be attached but....

Heather A. profile picture
Etrailer Expert

Heather A.

10/23/2020

Thank you for your review. The brake flange is designed to fit onto the spindle just behind the seals not on the 3 axle.



by: Jonathan04/22/2019

I've been restoring a 1979 Hudson trailer on which the brake backing plates were welded right to the axles. That makes rebuilding the brake system impossible unless you cut off the exiting material and install these flanges. This is pretty much the only way to do it.

These flanges are stout -- 3/16" plate, laser cut for precision. If you install them properly you won't have to worry about the flanges failing.

These brake flanges have to be absolutely square and concentric on the axle, and the0y need to be at the proper depth relative to the spindle. I think the best way to get it right is to dry-fit everything and then jig the flanges and the brake backing plates in position with magnets or a similar means. When everything is in alignment, tack weld the flanges to the axles, then take all the other parts off and finish your welds.



by: Joseph09/01/2022

Upon inspection if receiving my recent order I noticed that the packaging was sub par at best. The box didn't seem to be visually damaged externally, however the inside told a different story I ordered 2 sets of electronic brakes. Some hardware and a tub of packing grease. If you see the pictures attached, everything was thrown into a massive box without proper packing material and some of the items show signs of shipping damage. Some brakes were out of alignment and the grease canister was smashed almost to the point or rupture. For such a big company I would expect a little more care to be given to the several hundred dollars worth of parts in my order.

Jenny N. profile picture

Jenny N.

9/19/2022

I sincerely apologize that the order delivered in this manner. I will have our customer service team reach out and share this with our shipping department.



by: Alan 06/29/2020

I am putting on electric brakes on Mobile home axles and needed a way to mount the new backing plates. This seems to be the way to get it done. I had great help from Greg S on how to go about it.



by: lee09/26/2013

Fast shipping and great parts

Lee profile picture

Lee

9/28/2014

Great everything is working well,,,,



by: James08/22/2021

Works perfectly on my old trailer which had welded on backing plates. I scanned it and was able to build three more with the plasma cutter.



by: Terry02/20/2017

All the parts I ordered have arrived as promised and worked as they should, I will order from etrailer again as needed.



by: Kent S04/11/2020

Bolts like up perfectly. The center hole needs to be bored out to be used on mobile home axles.
They can also be a challenge to weld square to the tube.



by: Eric10/13/2023

I had to machine the parts so they fit my application of older mobile home axles.



by: Earl C07/10/2016

This produce was delivered in record time. It is exactly what was needed to complete my project and get me back on the road with little to no down time. Thanks to all the team members at etrailer for their help.



by: David11/30/2018

Just as advertised. Quick shipping and great price.



by: ken02/20/2015

Very easy ordering procedures. My order was shipped promptly and received with in one week. I will be ordering more in the future.



by: carolyn s.05/30/2015

the product arrived in very good condition and in speedy time. will order again from e-trailer.



by: Richard P07/31/2017

Products arrived fast and fit as expected. Order more brake parts today.



by: Larry A.08/27/2015

Great product and the people were great to deal with.

Larry A. profile picture

Larry A.

8/26/2016

Great



by: Mike02/02/2017

Did the job, as it was pictured and described. Trailer is rolling again.



by: Scott05/06/2019

All the products I received are exactly what I needed, thanks a lot!



by: RONALD03/03/2024

The parts are exactly what I was looking and am pleased with my purchase.



by: Craig01/05/2018

Great price and quality



by: Ted06/12/2014

great service, product, will do business with them again



by: Donald03/06/2019

Worked great!!


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Code: 4-35


25 reviews

Our Price: $25.37


Product Specs:

Accessories and Parts

Trailer Brakes

Disc Brakes
Electric Drum Brakes
Hydraulic Drum Brakes

2-3/8 Inch Diameter Axle


10 Inch

Brake Mounting Flange

Redline


Trailer Brake Mounting Flange - gets welded to the end of the axle beam to support the brake assembly.

Video of Brake Mounting Flange for 2-3/8" Round Axle

Customer Satisfaction Score:

Ratings & Reviews

4.7

25 reviews
Trailer Brake Mounting Flange - gets welded to the end of the axle beam to support the brake assembly.

by: Don M05/25/2011

it works



by: Chuck 03/09/2024

I wanted to install brakes on my enclosed trailer, but the axle didn't have the flange to mount the backing plates. These flanges had the correct bolt pattern for the brake backing plates and the correct center hole to slide over the machined area on the 3500 lb axle, for an easy weld-on upgrade.

Chuck profile picture

Chuck

3/10/2025

Never had another thought about these flanges, as the trailer brakes performed flawlessly!

Jesse M. profile picture
Etrailer Expert

Jesse M.

3/10/2025

@Chuck Hey Chuck, thanks for sharing. Thats exactly how it should be I suppose. Glad to hear everything is working well. Come back anytime you need anything!


by: Don09/08/2025

I got my trailer down now and need it badly tomorrow



by: Walter11/12/2017

Service was good and shipment was rite on time. One of the grease seals was bent in the shipment but I think it will work time will only tell. I was hoping that Dexter being made in America that they would use American made bearing also, they don't . The only other thing was I Thought I was getting bearing buddies but after looking back at the description I see that it wasn't , that is my mistake for not knowing better. I would have saved 18 dollars being I used my old grease caps instead. But over all I will use this company again great service. Keep up the great work.



by: Marc B06/20/2018

Product arrived in excellent condition and clean. I was eligible for free shipping. Order was placed on sunday afternoon and received north of NY state on next friday. I would definitely consider buying from etrailer again.



by: Mike Y08/18/2015

Once I received this brake flange, it turn out great.
Remember to get the large opening for 3500# axles.



by: Steven01/13/2018

fits right on a heavy duty spindle ready to weld on for a brake flange. Good solid metal.



by: Robert10/14/2021

Good source for all trailer parts. Quick shipping.



by: Merv L.09/01/2016

The package arrived today, look great! (Brake flanges)
I ordered around 1:00 pm and received a email around 5:00 pm stating that they have shipped, could not believe this, but they are here.
Thanks for all the promptness!!
Merv L.



by: Joe 09/01/2020

Perfect fit and easy install now I have brakes on my trailer!



by: Dave B03/30/2019

Flange was a perfect fit, quality material, would buy again if needed.



by: Rod09/06/2017

product works great still in like new condition ! A++++++



by: Thomas05/04/2022

Every part I've gotten from eTrailer.com has been with perfectly sound advice in choice and application. You are most certainly the best place to go for all of one's needs.



by: Gerald 09/22/2022

great products, project went well.



by: Aaron 08/13/2020

work very well for the job thanks



by: ron miller01/26/2017

not sure decided not to use it



by: Steve 08/20/2018

Worked Awesome!!!



by: Michael05/05/2025



by: Charles05/28/2021



by: Eric 08/08/2023



by: Lee 12/21/2021



by: Ronnie 09/04/2022



by: Eric 07/18/2023



by: Mark 12/20/2022



by: Ralph 07/04/2021


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