Your old drum is grooved and the brakes are grabbing weird. You pull that old one off, line up the new one, and everything fits. Bearings are packed and the lugs torque down smooth. Now your trailer brakes like it should.
The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.
On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: 8 on 6-1/2 means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)
To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: 5 on 4-1/2 means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)
Measuring the distance (D) from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi, everybody. Andy here with etrailer.com. Let's take a real quick look at this Terran axle trailer hub and drum assembly. Now, this 10-inch brake drum is going to give you the surface for your brake shoes to grip during braking. So, this is gonna work with electric and hydraulic drum brake systems. And our bolt pattern here is six on 5 1/2 inches.
That's gonna be common for most midsize and heavy duty trailer wheels. This does come pre-greased, so already inside are the races that have been pressed in, and then the inner bearing with the double lip seal. And then you will have to install the outer bearing with grease. And then this includes a cap as well. So, basically a full install kit.
This also includes the lug nuts that I have loosely installed here. But if you happen to have any other additional questions, don't hesitate to give us a call. We do wanna make sure that you're getting exactly what you want and need. Well, I think that's gonna wrap up our quick look today. I do hope that it was helpful for you.
Again, my name is Andy. Thank you for joining me.
Fit perfect
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