Dexter Trailer Hub and Drum Assembly for 8,000-lb Axles - 12-1/4" - 8 on 6-1/2 - Oil Bath

Item # 8-285-9UC3

(5 Reviews)

Retail:$736.46

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Product Images

Dexter Axle Trailer Hubs and Drums - 8-285-9UC3

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Dexter Trailer Hub and Drum Assembly for 8,000-lb Axles - 12-1/4" - 8 on 6-1/2 - Oil Bath 8 on 6-1/2 Inch 8-285-9UC3

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8-285-9UC3 - 25580 Dexter Axle Hub with Integrated Drum

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Dexter Axle Trailer Hubs and Drums - Hub with Integrated Drum - 8-285-9UC3 Review

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Install this hub-and-drum assembly on your trailer. Fits 8,000-lb axles. Inner bearing (25580) and race, outer bearing (02475) and race, oil seal, oil cap, wheel bolts, and lug nuts included. Oil bath system allows for easy maintenance. Lowest Prices for the best trailer hubs and drums from Dexter Axle. Dexter Trailer Hub and Drum Assembly for 8,000-lb Axles - 12-1/4" - 8 on 6-1/2 - Oil Bath part number 8-285-9UC3 can be ordered online at etrailer.com or call 800-298-1624 for expert service.

Dexter Axle Trailer Hubs and Drums - 8-285-9UC3

Features:

Trailer hub-and-drum assembly provides surface area for brake shoes to grip when brake is activated
- Compatible with electric and hydraulic drum brakes
Oil bath lets you check lubricant level without disassembling the hub
- Look through clear oil cap to check lubrication
Sturdy iron construction
Bearings, races, oil seal, oil cap, wheel bolts, and lug nuts are included
Hub and drum are made in the USA

Specs:

Application: 8,000-lb trailer axles
Drum dimensions: 12-1/4" diameter x 3-3/8" wide
- Works with 12-1/4" brake assembly
Bolt pattern: 8 on 6-1/2"
Wheel stud diameter: 9/16"
Pilot hole diameter: 4-3/4"
Weight capacity: 4,000 lbs

Bearing, Race, and Seal Information

Bearings (included)
- Inner bearing: 25580 (1.75" inner diameter)
- Outer bearing: 02475 (1.25" inner diameter)
Races (included)
- Inner race: 25520
- Outer race: 02420
Oil seal (included): 10-63
- Inner diameter: 2.250"
- Outer diameter: 3.376"

Determining the Bolt Pattern

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.

If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
If D = 3", then the bolt pattern is 5 on 5"
If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"

K08-285-92 Dexter 12-1/4" Hub and Drum Assembly for 8K Axle with Hardware - 8 on 6-1/2 - Oil Bath

Replaces 8-285-9UC3 and 123050

Customer Reviews

Dexter Trailer Hub and Drum Assembly for 8,000-lb Axles - 12-1/4" - 8 on 6-1/2 - Oil Bath - 8-285-9UC3

Average Customer Rating: 5.0 out of 5 stars (5 Customer Reviews)

Order: Install this hub-and-drum assembly on your trailer. Fits 8,000-lb axles. Inner bearing (25580) and race, outer bearing (02475) and race, oil seal, oil cap, wheel bolts, and lug nuts included. Oil bath system allows for easy maintenance.

- 8-285-9UC3

by: Tim12/01/2019

The break parts are like original. When we got it back together we got our trailer DOT certified.Life can go on.

Comments

The parts installed made the trailer work like new.

Tim - 12/03/2020

- 8-285-9UC3

by: Barbara01/05/2019

It was easy finding the right hub for the trailer. Everything was correct and made the job easy to complete.

- 8-285-9UC3

by: Jd07/29/2019

Service and delivery was spot on staff that I talked to were great thanks it won’t be the last time I order

- 8-285-9UC3

by: Michael09/16/2021

- 8-285-9UC3

by: J santos11/15/2018

Fast service

Ask the Experts about this Dexter Axle Trailer Hubs and Drums

Do you have a question about this Trailer Hubs and Drum?

Can Dexter Nev-R-Lube Hubs Be Replaced with Oil Bath Hubs
The existing Dexter 8K Nev-R-Lube spindles on your trailer are designed specifically for the cartridge-style bearing that the corresponding Nev-R-Lube Hubs # 8-389-81UC3 use. The spindles themselves are uniquely sized for this purpose so unfortunately the hubs can't be replaced with standard hubs that use traditional inner and outer bearings, including oil-bath units like the Dexter 8K # 8-285-9UC3 that you referenced. The only way to switch to hubs like this would be to replace the...
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Replacement Hubs for 8000lb Lippert Axle
Yes, the Dexter Hub Assembly # 8-285-9UC3 will fit on your Lippert Axle, but after checking with Lippert it looks like the 8k axle that you're using originally came with a hub with 5/8" stud diameter, where this Dexter Hub has 9/16" studs- both hubs use inner bearing # 25580 /outer bearing # 02475 . In order to avoid having to change out your wheels as well, I recommend going with the Redline Hub and Drum Assembly # 8-285-10UC3-A . It is also an oil lubricated hub, has 5/8" studs and will...
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Replacement Oil Bath Hub Drum for 8 on 6-1/2 Bolt Pattern on 8,000 lb Axle
The Trailer Hub and Drum Assembly - 8,000-lb Axles - 8 on 6-1/2 - Oil Bath # 8-285-10UC3-A is the replacement option we have. The only difference is the wheel studs are 5/8 inches instead or the 9/16 inch wheel studs of your current hub. This comes with the lug nuts you need as well, so it will be an easy swap and will fit your wheels.
view full answer...
Can Lippert 8K Axle be Converted to Oil
Yes you can convert your Lippert 8K axle so that it works with oil instead of grease. Just swap out your hub and drum assembly with one that has threads for the oil cap to install on. For example, the Dexter Axle part # 8-285-9UC3 should work just fine but you need to verify that the inner bearing # 25580 and outer bearing # 02475 are correct as well as the oil seal with the 2.250" inner diameter. If this fits then the only other thing you need is bearing oil like part # XLPROLUBE. Please...
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Replacement Electric Drum Brakes and Hub/Drum Assembly for Dexter Axle
I was able to contact Dexter Axle and get the information on your axle. The p12 that you referred to has to do with the location of the plant that manufactured your axle. The direct replacement for your drum brakes would be the Right Hand Assembly # 23-435 and the Left Hand Assembly # 23-434. These are the self-adjusting brakes with the 4 bolt pattern to match with your brake mounting flange. The Hub & Drum Assembly - 8 on 6-1/2 - Oil Bath # 8-285-9UC3 comes with the correct hub,...
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Does Dexter Hub part # 8-285-9UC3 Come with Bearings/Seal/Lug Nuts
The Dexter Hub part # 8-285-9UC3 comes with bearings and seal but does not come with lug nuts. For that you would need part # 6-53 since the studs are 9/16 inch.
view full answer...
Availability of High Capacity Spindle
The highest capacity trailer spindle we offer is the TruRyde # TRU57FR spindle for 5.2-7K rated axles. The spindles are compatible with a 25580 Inner and an outer bearing with a 1.25 inch ID like the # 14125A, # LM67048, or # 15123.
view full answer...
Replacement Brake Assemblies for Dexter 8-285 Oil Bath Hub and Drum for 8,000 Pound Axle
For your 8-285 hub and drum similar to the Dexter Hub and Drum, Oil Bath # 8-285-9UC3 for 8K pound axles, the Dexter Electric Brake Assembly, Right Hand # 23-435 and Left Hand # 23-434 are the correct fit brake assemblies for your axle. Another great option for replacement trailer brake assemblies are the Electric Trailer Brake with Dust Shield, Left Hand # AKEBRK-8L and Right Hand # AKEBRK-8R. These brake assemblies have the 12-1/4 inch x 3-3/8 inch size needed for your hub, are designed...
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How to Tell if Trailer Hub 8-258 Will Fit Spindle
We do have the Dexter trailer hub and drum part # 8-285-9UC3 which might work but you would need to verify a few things. This is an 8k oil-bath hub with a bolt pattern of 8 on 6-1/2 inches. The bearings it takes are 25580 Inner / 02475 Outer. You would need to pull the hubs you have to get the bearing numbers or the dimensions where the bearings ride. If those dimensions are 1.74 inch and 1.25 inch this hub would fit.
view full answer...

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Info for this part was:

Expert Research:

Mike L

Expert Research:

Jameson C

Installed by:

Jeff D

Updated by:

Adele M

Updated by:

Wilson B

Updated by:

Alexander C

Updated by:

Hannah L

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