12-1/4" x 3-1/2" Hydraulic trailer brake assembly features a dual-plunger design. Mounting flange has 5-bolt pattern. Fit 16" or larger wheels.
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Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Speaker 1: Today we're going to take a look at the Hayes/AL-KO 12-1/4" by 3-1/2" hydraulic drum brake assembly for 9,000 to 12,000 pound axles. Now, this hydraulic drum brake assembly is designed for use with the surge-type trailer brake actuators. This one is dual-plunger design so it delivers the same amount of braking when driving either forward or in reverse. The mounting nuts, you can see, are included to install this to your axle. This part is made in the USA. Again, the application for this, it fits 9,000 pound to 12,000 pound AL-KO Hayes axles with hydraulic brakes.This assembly can be used as either a left hand or a right hand side assembly.
The dimensions, the 12-1/4" is the diameter, which is measured from this side to this side. If we put a ruler on that, measures 12-1/4" diameter. The width of 3-1/2 inches is the width of the pad on the brake shoe, measures 3-1/2" wide. You'll notice on the back here, it's got the five studs. It is a five bolt brake mounting flange bolt pattern.
Again, it comes with the nuts to attach this to your axle. The wheel size this will accept is anywhere from 15" or larger. That should do it for the review on the Hayes/AL-KO 12-1/4" by 3-1/2" hydraulic drum brake assembly for 9,000 to 12,000 pound axles.
Average Customer Rating: 5.0 out of 5 stars (2 Customer Reviews)
12-1/4" x 3-1/2" Hydraulic trailer brake assembly features a dual-plunger design. Mounting flange has 5-bolt pattern. Fit 16" or larger wheels.This was a direct replacement part. Looked like OEM equipment. Very strait forward replacement. Etrailer staff was very helpful and was quick at getting the order out to me. Brakes work great! Only issue was one set only had 3 of the 5 nuts in the kit.
Was able to make them work for my older hayes axles, but had to have spacers machined. But that's on me, not on etrailer. Will probably work fine on newer Alko/KH axles
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