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When you’re hauling serious weight, this Dexter hub-and-drum assembly delivers the reliability you need. It’s made for 7,200-lb trailer axles built after 1999 and uses a 4-bolt brake flange. The 12-1/4" diameter x 2-1/2" wide drum gives your brake shoes a solid surface to grip for consistent stopping power. With a 3,600-lb individual hub capacity and an 8 on 6-1/2" bolt pattern, it’s a strong, dependable setup built to handle demanding loads.
No need to hunt down extra pieces or reuse old hardware. This assembly comes complete with everything you need to mount it—inner bearing (25580) and race (25520), outer bearing (02475) and race (02420), grease seal RG06-070, grease cap, wheel bolts, and lug nuts. The included parts make installation straightforward and get your trailer back on the road without extra delays.
This hub is built for standard grease lubrication, not oil bath systems. That makes it simple to maintain using standard trailer grease. The design keeps the bearings protected and turning smoothly, so you can count on consistent performance mile after mile.
Dexter builds this assembly from sturdy iron, giving it the strength to stand up to regular use and heavy braking. The solid construction helps prevent warping or cracking under load, giving you lasting stability for the long haul.
Whether your setup runs 16", 16-1/2", 17", or 17-1/2" wheels, this hub-and-drum assembly fits right in. The 9/16" wheel studs and 2.72" grease cap flange diameter round out a dependable, well-matched package that keeps everything rolling smoothly.
1. Count the lug holes
Look at the wheel hub or the back of the wheel and count how many lug holes there are(also called bolt holes).
Common configurations include: 4-lug, 5-lug, 6-lug and 8 lug
2a. For even lug counts (4-lug, 6-lug, 8-lug)
Measure from the center of one lug hole directly across to the center of the hole opposite it.
Common configurations: 4 on 4", 6 on 5.5", 8 on 6.5"
2b. For odd lug counts (5-lug)
Measure from the center of one lug hole to the outer edge of the hole directly across (not center-to-center since there's no directly opposite hole).
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody, this is Jeff at Etrailer. Today we're gonna take a look at the Dexter 12 and a quarter inch trailer hub and drum assembly with the 9/16th inch diameter wheel studs. They're 7,200 pound axles that have an eight on six and a half inch bolt pattern. Now when you're hauling serious weight, this Dexter hub and drum assembly is gonna deliver the reliability that you need. As we mentioned, it's made for 7,200 pound trailer axles that are built after 1999 and use a four bolt brake flange. The 12 and a quarter inch diameter, the two and a half inch wide drum gives your brake shoes a nice solid surface for grip for consistent stopping power.
You can see if I rotate this around, sort of lift this up, you'll be able to see your brake shoes can go here for regular hydraulic brakes. If you're using electric brakes, then you'll use this braking area right here. So it will work on either hydraulic or electric brakes. Now with a 3,600 pound individual hub capacity and an eight on six and a half inch bulk pattern, it is strong, dependable setup, built to handle demanding loads. It is a nice sturdy iron construction, and it will include everything I have laid out here on the table.
The hub and drum assembly, the pre-installed bearing races, the outer and inner bearing races are all pre-installed ready to go. The inner and outer bearings are included. The grease seals included the grease cap, and over here it includes eight of the 9/16ths by 18 size lug nuts. Now if you do need the part numbers on the bearings, the seal, the cap, they are all listed on the bottom of the product page of this part number. Again, bulk pattern we mentioned, eight on six and a half inches.
The wheel size little fit on this is 16 inch up to 17 and a half inches, and the wheel studs are 9/16 of an inch. Now if you do have any other additional questions regarding this part or any other item we carry, please feel free to reach out to us. So they're gonna help you get all of your questions answered for you. But that is gonna do it for a look at this Dexter 12 and a quarter inch trailer hub and drum assembly with the 9/16th inch wheel studs for 7,200 pound axles.
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12/22/2021
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