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
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.
This is an exelent flange if you want to convert an axel that is not allredy a breaking axel it worked great for me
Part fits very well!
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.
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.
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.
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.
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.
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.
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.
Fast shipping and great parts
Lee
9/28/2014
Great everything is working well,,,,
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.
All the parts I ordered have arrived as promised and worked as they should, I will order from etrailer again as needed.
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.
I had to machine the parts so they fit my application of older mobile home axles.
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.
Just as advertised. Quick shipping and great price.
Very easy ordering procedures. My order was shipped promptly and received with in one week. I will be ordering more in the future.
the product arrived in very good condition and in speedy time. will order again from e-trailer.
Products arrived fast and fit as expected. Order more brake parts today.
Great product and the people were great to deal with.
Larry A.
8/26/2016
Great
Did the job, as it was pictured and described. Trailer is rolling again.
All the products I received are exactly what I needed, thanks a lot!
The parts are exactly what I was looking and am pleased with my purchase.
Great price and quality
great service, product, will do business with them again
Worked great!!
Customers compare 4-44-1 to these similar products
Product Specs:
Trailer Brakes
Electric Drum Brakes
Standard Grade
14-1/2 Inch Wheel
15 Inch Wheel
16 Inch Wheel
5200 lbs Axle
6000 lbs Axle
7000 lbs Axle
Manual Adjust
12 x 2 Inch Drum
etrailer
The automotive-grade pads on these brakes offer lasting effectivenes. 12" x 2" Assemblies have rust-resistant, e-coated backing plates. Fits 14-1/2" to 16-1/2" wheels.
Video of etrailer Electric Trailer Brakes - 12" - Left/Right Hand Assemblies - 5,200 lbs to 7,000 lbs
I received the product as ordered. The two day free shipping was much appreciated!!
The only complaint I have is the packaging of such heavy parts. My order included heavy brake drums and the boxes they were packed in were not quite strong enough. My suggestion is to place an additional thick piece of cardboard to the top and bottom of the box. Two of the four boxes of brake drums were worn completely through, exposing the product. Fortunately there was no damage to the drums but as bad as the boxes were damaged it could have been bad news.
Simple fix to avoid problems for the customer.
Thank you!!
Tony
Victoria H.
4/12/2025
Thanks for the feedback Ralph! Glad to hear the shipping was quick and everything arrived safely even though the packaging didn't really withstand the trip. We appreciate you taking the time to give us a heads-up about the packaging.
Excellent quality and value! This is the ONLY way to replace worn out 19-year old brakes on our 40' 3-axle 5th wheel toyhauler. Everything new including drums, bearings, seals, etc.
etrailer.com shipping was free and fast. These are heavy components, but packaging was great and everything arrived undamaged. Follow up customer service is always great at etrailer as well.
Very pleased!
Will was the best helped me identify the best parts to convert an old 1970 axles to modern hubs and electric brake assembly’s new 6 lug wheels and tires fit perfect all bearings and parts were perfect. These folks are best ever to deal with or learn from.I was slow with this review because I was slow getting all this done It was well worth all the money and time though.
Excellent fit at installation with same performance and support afterwards...am rating this company and their products 6 Stars out of 5.
Gwendolyn Y.
7/30/2025
Thanks for the extra fist bump, Lance! Always great to hear how things are going. If you ever need anything else, just let me know, I'd be happy to help!
In general the brake assemblies seem like good quality products. The installation went smooth and easy. Really a plug and play sort of thing. The reason for the lack of a 5 star rating has to do with the way the brakes were shipped. I ordered two sets and all 4 assemblies came in this super large box and all the assemblies fell to the bottom of the box and just piled up on each other during shipping. It was a mess getting them out of the box and back into proper shape. I highly suggest individual packaging during shipping. 4 assemblies in a single extra large size box is a pain do deal with plus it's rather heavy.
I would recommend the automatic adjusting version. The only complaint I have is having to adjust the breaks twice a year. Other wise easy installation works as advertised.
Phillip
11/2/2025
Breaks are still going strong, still would recommend the auto adjusting breaks, it saves on maintenance time and hassle.
Gwendolyn Y.
11/3/2025
You didn’t send the bearing wheel, nut retaining clip for the easy lube spindle
Mike L.
10/24/2025
I'll get that taken care of for you.
I installed these brakes and new hubs on my 5th wheel last year and have now put about 8000 miles on them. I've done minor brake shoe adjustments twice.
I'm impressed with the brakes! These brakes work better than my original Dexter brakes. Smooth and quiet braking and I'm able to set my brake controller to lower setting than I did in the past. And they seem to be wearing slower than my previous brakes. I highly recommend the etailer brand brakes!
All items delivered on time & packaged well as always
All items exactly as ordered had time to install parts on both trailers parts fit as they should
I have ordered parts from etrailer many times. I have never had any problems with parts ordered
Easy direct replacement on my Voltage 3005. Great price, changed out all four brake assemblies in my yard on a Saturday and will definitely order parts from etrailer in the future because of the ease of ordering and the quick free delivery that I received,
I've had both the self adjust and manual adjust. I like these because I have complete control over brake adjustment. With self adjusting I was dependent on the self adjusting components working correctly so I always had this concern about proper adjustment. Now I'm in complete control.
Good customer service, on time delivery, packaged arrived as ordered. And bonus they followed up with personal email for questions
Cornelius
5/26/2025
A year later product still working as intended. I would purchase again
Jameson C.
5/27/2025
These assemblies made rebuilding my trailer brakes so much easier. The installations are complete and they work very well
These were exact fit, easy to replace and would definitely recommend. Definitely invest in the brake spoon tool ( bought one with my order) for adjusting these after the wheel is back on. Definitely worth it and etrailer nailed it again. In the photo, the axle on the right is the new brake assembly and the one on the left..... well that is the reason I bought four new brake assemblies!!!!! Thanks.
Adam
6/29/2019
Still working well. Have not had any issues to date .... knock on wood
Changed out all four brakes on my FW. E Trailer brand brake kit is well made and just as good as the costly name brand. After a year and about 6k miles brakes are fine no problems at all.
Rock K.
12/2/2024
I sold my FW about a year after install. 5k miles and no problems. Do not waste money on more expensive brakes. These are well made and worked flawlessly.
Seem like quality parts but I haven't installed yet. One arrived with a missing piece but Amy was quick to get the replacement on its way. Great customer service and good pricing!
Victoria H.
4/3/2025
Thanks for giving us the opportunity to make this right for you Josh! I'll let Amy know you gave her a shout out!
Ordered complete brakes and bearings for 8 wheel 16 ton trailer. All mounted up very nicely and I am very pleased with the result. In addition to bearings and brakes I also replaced the lights and added a new 7 pin plug incl a new battery and emergency trailer brake and wirebox. I had never done any of these repairs before, but followed the tutorial videos on e-trailers site. Very happy with result and will recommend e-trailers to anyone that need trailer stuff. Keep up the good work. Thanks.
Great prices incredibly fast shipping. I’ve never had a bad experience with Etrailer
I ordered these to replace the original brakes on my trailer after I started having problems with mine (see details below if interested). They are good quality and were easy to mount and assemble. They definitely made a difference in how well my trailer is braking. I definitely recommend these if they are what you need.
However, I will say that the shipping was delayed by about 4 days. This may not be etrailer's fault, but they use UPS and I've been having horrible luck with UPS's shipping service lately. Everything has been delayed. So just be aware that if you order with the standard ground with UPS these will most likely not arrive on time.
The second problem that I had was that I ordered a set of drum/hub combos to go with these on a separate order. After 2 days of seeing no progress on my order I had to email and call to find out that the order was delayed. There was no update from etrailer without me asking. I ended up having to cancel that order and purchase through a local supplier whom I will likely start using from now on.
To detail the braking problems, I purchased my 2008 Toy Hauler about two months ago. We've towed about 1,200 miles with it so far and I noticed from day one that the brakes weren't as responsive as they should be. As we were entering our neighborhood from our last trip my Tekonsha Prodigy 3 started flashing red and reading that there was a shortage and that I had a brake overload and that there were no brakes. This was fairly spiritic but eventually became constant. Based off of information I found from posts on this site, it seemed like it might be one of the magnets not making sufficient contact with the drum. It seems like this was the case. During my repair, I found that one of my grease seals had blown and grease had gotten into one of the brake assemblies and it looked like that entire hub/assembly/etc. had stopped working properly. After replacing the entire brake assembly, drum/hub, bearings and seals on all four wheels everything is working great! I probably only needed to replace the brake assemblies, but decided that for another $350 I would have peace of mind knowing that everything is at it's best!
Thanks etrailer for the helpful information and quality parts!
these brakes were perfect for my 14k - 8 lug, double axle trailer. As always, etrailer did a great job getting them to me.
Brooke M.
12/3/2024
Thanks, Thomas, its good to hear that. Happy towing!
Great affordable brakes. Adjusted them and tested them out and they work great. Using a trailer brake controller in the truck as well and have no complaints yet. Towed about 5k miles on this system so far. I saw a ton of those advertisements for wires that have heat shrink and are waterproof and you don't need to solder. Saying when you apply heat to them, it melts the solder. Tested them out and they actually work great and are waterproof.
The grease sales were perfect. Everything came together just fine as always E-trailer the company to go to.
2 of the 4 came partially disassembled.1 the adjuster wasn't even on.the other,one side of the shoe wasn't on all the way.
The brake assemblies were a perfect match to my old ones that were 25 years old
Brake assemblies arrived in two days well packed and perfect fit.
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Ask the Experts about this etrailer Trailer Brakes
Do you have a question about this Trailer Brakes?
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.