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Dexter Axle Trailer Brakes - Electric Drum Brakes - 23-454-455 Review

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Review of Dexter Trailer Brakes 23-454-455


Today we're going to take a look at the Dexter 10 inch electric trailer brake kit with the left-hand and right-hand brake assemblies for 4,400 pound axles that we're manufactured before 2009. Now, electric brakes, they're easier to install. They offer more user control than hydraulic brakes. Basically they require only an electric brake controller, which we do sell separately on our website. There's no actuator or hydraulic lines necessary with electric brakes. These assemblies happen to be manual adjustment brakes, so they do require a periodic manual adjustment. Right down here is your adjustment gear to adjust them.

What's nice on these assemblies, if you look on the backing plate, normally on most brake assemblies, those access holes where you put your tool through to adjust your brakes, those are usually left open. On these, they actually put rubber plugs in there that'll cover those holes, helps keep the dirt and grime out of the assemblies and off the brake shoes. Now, this part number will include both the left-hand driver's side and right-hand passenger side brake assemblies. Also, if you notice the mounting hardware is included to install these. A few specs on this: the dimensions on these brake assemblies is 10 inch diameter by two and 1/4 inches wide, and where that's measured, the diameter would be measured from this pad all the way over to this pad. If we put the ruler on it, there's your 10 inch diameter, and the two and 1/4 inch width would be the width of the brake pad on the shoe.

Again, if we measure that, there's your two and 1/4 inches. If you notice on the back, the four bolts or studs right here, this uses a brake mounting phalange bolt pattern of the four bolts. This does require the use of 10 inch brake drums. The wheel size that will work on this is 13 inch, 14 inch, and 15 inch wheels, and the axle ratings, again, these are designed for our 4,400 pound axles that we're manufactured before May of 2009. These are electric brakes, so if you look at the rear, you'll see two black wires coming out, so these do need to be connected. One goes to a brake feed, the other goes to a good, clean ground, and are both black wires, so either wire can be used for either function. Then, last thing I just want to show you is how you can tell the difference between the left side and the right side.

Now, on a new assembly, of course, there will be a sticker that'll tell you that, but if that sticker wasn't there, the easiest way to tell is, look at the length of the pad on the brake shoe. If you notice here, the pad goes from here to here. On this shoe it's just from here to here. This is the shorter pad. Shorter pad is always the primary shoe, and that faces the front of the trailer, so that'll tell you that this is the left-hand driver's side assembly.

On this one, it's the same way. If you look, here's the pad from here to here, here it's just from here to here. This is the shorter pad, so that's the primary, and that'll tell you that this is the right-hand passenger side assembly. That should do it for the review on the Dexter 10 inch electric trailer brake kit with the left-hand and right-hand brake assemblies for 4,400 pound axles that we're manufactured before 2009.


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Employee Jeff D
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Jeff D

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