Recommended Brake Assemblies for a 80s Horse Trailer
Updated 12/22/2025 | Published 10/09/2024
Question:
Hello, I am looking for a pair of electric brakes for my early 80s ww horse trailer. I could send you a couple pictures of the bolt pattern if that would help. Thank you.
asked by: Matthew H
Expert Reply:
Hey Matthew! You can email me those pictures at the address you receive this response from but what I really need to know is the size of your current brake assembly and the mounting pattern of the bolts that attach it to the flange on your axle. Specifically the diameter and width of the brake assemblies.
The etrailer Electric Trailer Brakes item # AKEBRK-7-SA you were looking at fit a 5 bolt mounting flange and measure 12" diameter x 2" wide. These work with wheel sizes 14-1/2", 15", 16", and 16-1/2" and axles with 5,200 lbs, 6,000 lbs, and 7,000 lbs capacities.
Product Page this Question was Asked From
etrailer Electric Trailer Brakes - Self-Adjusting - 12" - Left/Right Hand - 5.2K to 7K
- Trailer Brakes
- Electric Drum Brakes
- Standard Grade
- Self Adjust
- 12 x 2 Inch Drum
- 5200 lbs Axle
- 6000 lbs Axle
- 7000 lbs Axle
- 14-1/2 Inch Wheel
- 15 Inch Wheel
- 16 Inch Wheel
- 16-1/2 Inch Wheel
- etrailer
more information >
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on Trailer Brakes
Jerred H.
12/22/2025
Hey Matthew, were you able to measure the diameter and width of your trailer’s brake assemblies? Once you have those details, I can help confirm if the 12" self-adjusting brakes are the right fit. Let me know what you find—I’m here if you need a hand narrowing it down.