Dexter Electric Trailer Brake Assembly 12-1/4" x 3-3/8" - RH

Video Transcript for Dexter 12-1/4" x 3-3/8" Right Hand Electric Trailer Brakes Review

Today, we're going to show you Dexter Self-Adjusting Electric Trailer Brake Assembly for the Right-Hand Side, part number 23-451. This is a 12-1/4" by 3-3/8" brake assembly. We'll measure the diameter across the shoes and there is 12-1/4" x 3-3/8" brake assembly. We'll measure the diameter across the shoes and there is 12-1/2" mark. Then we will measure the width of the shoe and that is 3-3/8". When paired up with the left-hand side, these brakes are good for axles rated at 9,000 and 10,000 pounds.

The assembly uses a 7 bolt mounting pattern. So check your axle and see what brake mount fringe you have. The brake assembly comes with a pair of wire leads that you use for your electrical connections. It doesn't matter which one you use for ground and which one you use for your brake feed as long as you have a good solid electrical connection. As these are electric brakes you don't want to use it on boat or marine trailer applications.

This brake system is also self-adjusting. You'll so need to adjust this summary when you first set it up by rotating the store wheel and getting the proper amount of tension. You when light even amount of drag as you rotate the drum around the shoes. In the future as you back the trailer while applying the brakes, this cable system will pull an activator which will automatically advanced the start wheel to keep the proper tension. We know that this brake assembly is fort right-hand side, because we want to the short shoe facing the further trailer and the longer shoe facing the rear of the trailer.

Through the brake assembly works is as the drum rotates around the assembly and your coil brakes inside the vehicle, this magnet is activated and will stick to the inside of the hub drum. As the drum rotates around its going to drag on this magnet that will pull this arm and then ultimately open up the brake shoes and apply brake pressure. And that does for the Dexter Self-Adjusting Electric Trailer Brake Assembly for Right-Hand Side, part number 23-451.