This Dexter oil bath hub is made for serious hauling. It’s designed for use with 8,000-lb disc brakes and built from cast iron for solid strength on the road. The 8 on 6-1/2" bolt pattern and 9/16" studs give you a sturdy connection for 16", 16-1/2", or 17" wheels. When you’re pulling weight day after day, that kind of strength gives you peace of mind.
Rust can ruin a good hub fast, especially in wet or salty conditions. This one’s protected with an e-coat finish that stands up to corrosion and wear. It keeps the metal sealed against moisture so the hub stays cleaner and lasts longer even when exposed to tough environments.
If you’re tired of constant bearing grease maintenance, this hub’s oil bath setup is a smart upgrade. The oil seal and oil cap keep the lubricant contained and evenly distributed around the bearings for cooler, smoother operation over long runs. It’s a simpler way to keep things turning right without frequent tear-downs.
No extra trips to find matching parts. This hub comes complete with bearings (25580 inner, 02475 outer), races (25520 inner, 02420 outer), oil seal (10-63), and oil cap already included. Just add your gear oil and it’s ready to mount up. Straightforward assembly that lets you get it done quickly and correctly.
The inner bearing has a 1.75" inner diameter, the outer bearing is 1.25", and the seal measures 2.25" ID by 3.376" OD with a 4-3/4" pilot diameter for proper alignment on your spindle. Every part is sized for a tight, accurate fit so the hub runs true mile after mile.
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.
Speaker 1: Today we're gonna take a look at the Dexter E-coat oil bath trailer hub with the eight on six and a half inch bolt pattern for 8,000 pound axles. This trailer hub is designed to work with 8,000 pound axles with disc brakes. It is a cast iron construction, provides strength and durability. It does have a nice E-coat finish on it to prevent against corrosion and wear, and this part does include everything laid out here on the table. It'll include the idler hub itself, the inner, the outer bearings. The bearing braces, they are actually pre-installed already into the hub.
It comes with the unitized oil seal since it is an oil bath design. The oil bath cap that is designed to screw into the outer edge of the hub here, and the eight wheel lug nuts which are a size 9/16ths by 18. All these parts are made in the USA.Again, the specs on this hub. It fits an axle capacity of 8,000 pounds. The wheel size that'll work on this is 16 inch, 16 and a half inch, and 17 inch.
Again, the bolt pattern on this hub is eight on six and a half inches. The wheel lug size that is used is 9/16ths by 18. The pilot diameter, which is the size right here from this edge to this edge straight across is 4 3/4 inches. The information on your bearing braces and seals: the bearings that are included, the inner bearing, part number 25580, has a 1.75 inch inner diameter. The outer bearing is part number O2475, has a 1 1/4 inch inner diameter.
The races I mentioned are all included. The grease seal, which is the unitized seal, is part number 10-63. Inner diameter of 2.25 inches, outer diameter of 3.376 inches, and it comes with an oil bath cap and eight of the 9/16ths by 18 lug nuts.That should do it for our review on the Dexter E-coat oil bath trailer hub, eight on six and a half inch bolt pattern for 8,000 pound axles.
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