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Dexter Trailer Hub and Drum Assembly Review

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Review of the Dexter Trailer Hub and Drum Assembly

Ryan: Hey everybody. Ryan here at Today we'll be taking a look at and installing the Dexter trailer hub and drum assembly for 7,000 pound easy lube axles. Right away you're going to be able to tell it's really well built and heavy duty. One of the things that kind of separates this one from some of the other ones is the size of the studs. Now these are actually 5/8 in diameter so they're a little bit thicker, and like in our customer's case, he uses his trailer to the maximum capacity.

He was actually having some issues with the smaller 9/16 style studs breaking and just giving him some trouble. Not only is he getting better braking performance, but he's also more or less getting an upgrade in the size of his wheel studs. These are just going to be a little more heavy duty.Now what's cool too is that the hubs are actually going to come included with the correct size lug nuts. That's going to be one less thing you're going to have to worry about picking up. Now these are going to work with 12 inch electric and hydraulic brake assemblies.

It's going to have a eight by six and a half bolt pattern and that bolt pattern's good to know. That way you can make sure it'll work with your wheels. Now there are just a couple of things I would recommend picking up if you don't have already to make the installation a little bit easier. One of them being grease because you are going to have to pack your wheel bearings. Another one being a cotter pin if that's the type of securing device that your trailer uses.

These aren't going to come included with the cotter pin.You can always reuse the old one if you can, but to be on the safe side if you want to pick one of those up, you can find it here at Another thing I would recommend is some brake clean. That way you can clean off the back of your drum and make sure everything is nice and clean. Now as far as the installation goes, everything is relatively straightforward. Shouldn't take you a whole lot of time.

Should have no problem doing it at home. Speaking of which, let's go ahead and put it on together now. To begin our installation, we're going to be working back here at our wheels. Now, something I want to point out, I'm using some lifts to get our trailer way up off the ground just for better viewing purposes. However, you don't need lifts to get this job gone. Just your regular jack and jack stands will do the trick just fine.With that being said, we can now go ahead and remove our wheel. Now with the wheel out of the way, what we can do is remove this little cap here and that'll give us access to a nut that's sitting behind it. To get this cap off, sometimes if you kind of scrape around the corner, kind of get some of that dirt and debris out of the way, it makes it a little easier. I went ahead and done that. Then you can take a pry bar like this or a flathead screwdriver and we're going to drive that or wedge it in between the hub itself and this cap to separate the two. You can just pop it off just like that. You can now take this nut off. Before we do that, there's going to be a cotter pin in here. If we bend the cotter pin straight, we're able to work that out and set that to the side, we can just unscrew the nut.Let me grab that and set it to the side. We can carefully pull on our hub and start to work it out. If you kind of pull it out and push it back on, you should be able to grab this washer and the old bearing. We'll just slide that hub off and we'll put it to the side. We're going to be installing these in conjunction with the Dexter Nev-R-Adjust trailer brakes. With our brake assembly on the trailer we can now grab our hub and drum and prepare this to put on the trailer as well. What we're first got to do is grab some wheel bearing grease and just kind of pack that on the inside. You just coat everything. You don't have to get too crazy with it right now because we will come back and completely fill it with grease. I just like to kind of get a start on it.Then we're going to grab our larger bearing. This is going to set down in there, however we need to pack it full of grease first. To do that you take a handful of grease, put it in the palm of your hand. What we're going to do is this opening here that's a little bit larger, you're just going to push it down into the grease to pack it in there. You're going to work it all the way around. You're going to know it's packed whenever the grease starts to come out of the smaller opening her. We could take a good look around the smaller edge, we'll see that grease is completely surrounding it so we know it is properly packed. Now just kind of smear the rest of it all over the bearing.Now that our bearing is packed, what we can do is set that down into the hub, make sure it's seated. You can go ahead and kind of clean our hands up a little bit and you can take our seal and get that put in place. To get our seal in, what I did is kind of just took a paper towel and wiped around this edge here just to get rid of some of that extra grease. How this is going to work, it's going to sit right inside of it. We are going to have to drive it down to make sure that it's sealed. Now, when we're pushing this down, I'm going to make sure to get it as level as possible. What I mean by that, you want to try to drive it down evenly. What I'm going to do is take a flat two by four, set it over the seal and a dead blow hammer.We're just going to kind of do some light taps. After every few taps, kind of check it out, make sure it's going down evenly, which if it isn't, like this side is going down a little bit further, kind of adjust that two by four accordingly to get that seal to drive more evenly. Once it's all the way down, this is what it's going to look like. Now what you would do, it's never a bad idea to kind of clean the surface of our drum here, so I just used some brake clean and a paper towel and made sure there wasn't no grease on it. A lot of times too, these will have like almost a light coating of oil on them to help prevent rust during storage and chipping, so that brake clean will get the surfaces nice and fresh.Then you can flip it over. You're going to take the front bearing, which is a smaller one and pack it just like we did that back bearing. Then kind of just set that right in there. Now we can take our hub and drum assembly and slide that over the spindle. Now it's not a bad idea either to just kind of take some grease and just lightly coat your spindle. We'll line that up. A lot of times this front bearing will get pushed a little bit, if you don't get it perfectly center. Just keep that in mind when you're pushing this on. You can see it kind of popped out a little bit, so make sure you get that pushed all the way back in there. Now we can grab our washer, get that put on and our castle nut.Then we can start to tighten this stuff. Whenever you tighten the castle nut down, what you're looking for is for the nut to be relatively tight, but you still want to be able to more or less freely spin your hub assembly. Once you have achieved that, which you can then do is take your cotter pin and put that back into the spindle. That way we don't have to worry about that nut backing off. Now we can grab our new cap and get that installed. This will just line up over our hole. Sometimes it helps to even grab a block of wood and give it a shot that way too, if it's fighting you a little bit. Kind of just check around the whole edge of it and make sure it's completely seated. Now if your spindle has a grease fitting or a greasert 00:10:40, it's never a bad idea to get a grease gun.You can just pack it with a little more grease. Once you have it packed, you can take the rubber plug and you can just install that onto the cap to help keep everything sealed. Then to wrap everything up, you just put your tire back on, get all your lug nuts started, then we can tighten them down. Now once we have all the lug nuts tightened down, we'll lower the trailer down back onto the ground and use a torque wrench to torque our hardware down to the amount recommended. That'll do it for our look at of the Dexter trailer hub and drum assembly for 7,000 pound easy lube axles.

Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Cole B
Installed by:
Cole B
Employee Ryan G
Installed by:
Ryan G
Employee Joshua S
Video by:
Joshua S

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