Options for Adding Electric Brakes to Trailer Axle without Brake Mounting Flanges
Updated 04/04/2025 | Published 11/05/2019
Question:
My trailer has no flange to mount a brake system. How do I find the correct place to weld the flange? P.S. This is a small trailer pulled by a motorcycle about 500 LB. loaded if that.
asked by: Jim
Helpful Expert Reply:
If your trailer axle doesn't currently have brake mounting flanges you have a couple of options, one of which is to simply weld on flanges like you mentioned. A brake mounting flange needs to be welded perfectly square and concentric, which typically requires a special jig and a certified fabricator with experience in this type of application. This isn't a DIY project, as it's vital that it's done with precision so you don't have suspension issues on the trailer down the line.
Finding the right tools (and people) to properly weld on new flanges can be difficult and potentially expensive, which is why a lot of people tend to simply replace the whole axle altogether with one that already includes mounting flanges. This is your second option and is honestly what I recommend.
If you can tell me the capacity and length of your existing axle I will be happy to make a specific recommendation. I have also attached a couple of links that will take you to our complete axle and mounting flange selections, depending on which route you choose to take.
Lastly I have added a great article below that details all the components needed to add electric brakes to a trailer that you might find helpful.
Product Page this Question was Asked From
Dexter Trailer Hub and Drum Assembly for 3,500-lb Axles - 10" Diameter - 5 on 4-1/2
- Trailer Hubs and Drums
- Hub with Drum
- Standard
- L68149 / L44649
- Standard Grade
- For 3500 lbs Axles
- 1/2 Inch Stud
- 5 on 4-1/2 Inch
- 13 Inch Wheel
- 14 Inch Wheel
- 14-1/2 Inch Wheel
- 15 Inch Wheel
- Dexter
more information >
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Old&slow
4/4/2025
I wish to add electric brakes to a 5 x 8 trailer with a 2000 lb. axle. There are no brake flanges on the axle. Based on the below specs, do you have the parts to accomplish this, and if so, the rough price for parts, and is it a DIY job? • Axle Type: Single 2,000 Lbs. E-Z Lube, 71"/58-1/2" (2K7158EZ) • SPINDLE:1-1/16", Max 1,250 Lbs. Capacity (151T) • HUB KIT:5 Lugs on 4-1/2" Pattern, 1,250 Lbs. (155T) • BEARING:1-1/16" Inner and Outer Bearing Kit (500T) Axle dia. 1and ¾” Thanks!