Trailer Hub and Drum Assembly - 7,000-lb Axles - 12" Diameter - 8 on 6-1/2

Trailer Hub and Drum Assembly - 7,000-lb Axles - 12" Diameter - 8 on 6-1/2

Item # AKHD-865-7-1-K

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Trailer Hubs and Drums

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Shipping Weight: 47 lbs

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etrailer Trailer Hubs and Drums - AKHD-865-7-1-K
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Product Images

Customer Photos

  • 8 on 6-1/2 Inch
  • For 7000 lbs Axles
  • Hub with Integrated Drum
  • Standard
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • 17 Inch Wheel
  • 17-1/2 Inch Wheel
  • 25580
  • etrailer
  • 14125A
  • 9/16 Inch Stud
Install this hub-and-drum assembly on your trailer. Compatible with electric or hydraulic brakes. Fits 7,000-lb axles. Inner bearing (25580) and race, outer bearing (14125A) and race, grease seal, grease cap, and nuts for 9/16" studs included. Lowest Prices for the best trailer hubs and drums from etrailer. Trailer Hub and Drum Assembly - 7,000-lb Axles - 12" Diameter - 8 on 6-1/2 part number AKHD-865-7-1-K can be ordered online at or call 800-298-8924 for expert service.

  • All Info
  • Reviews (11)
  • Q & A (8)
  • Videos (2)
  • Photos
  • Why etrailer?

etrailer by AxleTek Trailer Hubs and Drums - AKHD-865-7-1-K

Install this hub-and-drum assembly on your trailer. Compatible with electric or hydraulic brakes. Fits 7,000-lb axles. Inner bearing (25580) and race, outer bearing (14125A) and race, grease seal, grease cap, and nuts for 9/16" studs included.


  • Trailer hub-and-drum assembly provides surface area for brake shoes to grip when brake is activated
    • Compatible with electric and hydraulic drum brakes
  • Sturdy iron construction
  • Zinc-enriched paint on drum adds durability
  • Zinc-finished bolts resist corrosion
  • Bearings, races, grease seal, grease cap, and lug nuts are included
  • QAI and CSA certified


  • Application: 7,000-lb axles with #42 spindles
    • Compatible with standard axles from most manufacturers, including Dexter, Lippert (LCI), and AL-KO
  • Actual drum dimensions: 12-15/16" diameter x 2-1/2" long
    • Works with 12" brake assembly
  • Bolt pattern: 8 on 6-1/2
  • Wheel studs: 9/16" diameter x 1-5/8 long
  • Grease cap flange diameter: 2.722"
  • Weight capacity: 3,500 lbs
  • Limited 1-year warranty

Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: 25580 (1.75" inner diameter)
    • Outer bearing: 14125A (1.25" inner diameter)
  • Races (included)
    • Inner race: 25520
    • Outer race: 14276
  • Grease seal (included): GS2250DL
    • Inner diameter: 2.25"
    • Outer diameter: 3.376"

Thoroughly Tested for Safety

This hub-and-drum assembly meets the requirements for certification by the Canadian Standards Association (CSA). The CSA creates standards, which when complied with ensure a safe and quality product. This assembly underwent extensive testing to measure stopping distances when braking. This assembly has also been tested by QAI for braking performance in a complete automotive setup and under real-world conditions to provide the most realistic scenario for the everyday driver.

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.

Bolt Pattern - Even

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.)

Bolt Pattern - Odd

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.)

Bolt Pattern - Side

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"

BD2-865-37 AxleTek 12" Hub and Drum Assembly for 7K Axle with Hardware - 8 on 6-1/2

Compare to Dexter 8-219-13UC3

Video of Trailer Hub and Drum Assembly - 7,000-lb Axles - 12" Diameter - 8 on 6-1/2

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for etrailer Trailer Hubs and Drums - Hub with Integrated Drum - AKHD-865-7-1-K Review

Today we're going to take a look at the twelve inch trailer hub and drum assembly for 7,000 pound axle, with the eight on six and a half inch bolt pattern. This trailer hub and drum assembly will include the bearing races which are pre-installed. Here's the outer bearing race already installed, and the inner bearing race. Also includes the bearings themselves, both the inner and outer bearings, the grease seal, grease cap, and the lug nuts. The application for this is a 7,000 pound axle, has a bolt pattern of eight on six and a half inch bolt pattern, and when we mention this is a twelve inch trailer hub and drum assembly, it's designed to fit the brake assemblies which have a twelve-inch diameter, the twelve inches is measured inside to inside, so if we put a ruler and go straight across you can see twelve inches for the diameter. This does use the inner bearing, which is the larger of the two, it's part number 25580. The inside diameter, which is the measurement in there, is 1.75 inches, and you can see that'll go right into the inner bearing race just like that. Now I'm just putting them in there to show you where they locate, but when you do go and install these you will grease these up, so you'd go ahead and put that in, and then the grease seal.

This grease seal has an overall diameter of 3.376 inches. That would go right in behind it and you'd tap that into place to hold everything into place. The outer bearing, which is the smaller one, and that's the part number 14125A, it has an inner diameter of 1.25 inches. Again this will go right into the outer bearing race just like that, and then your grease cap, which has a flange diameter of 2.722 inches, that would go right over there and you tap that right into place. The last that they would include is the eight lug nuts, and these are a size nine sixteenths by eighteen size, those would be used as once this is all installed onto your axle, you go to put your wheel up on the studs, then you use your lug nuts to hold that wheel into place, and you just tighten those down to the correct torque specs for your application. That should do it for the review on the twelve inch trailer hub and drum assembly for 7,000 pound axle with the eight on six and a half inch bolt pattern.

Customer Reviews

Trailer Hub and Drum Assembly - 7,000-lb Axles - 12" Diameter - 8 on 6-1/2 - AKHD-865-7-1-K

Average Customer Rating:  4.5 out of 5 stars   (11 Customer Reviews)

Install this hub-and-drum assembly on your trailer. Compatible with electric or hydraulic brakes. Fits 7,000-lb axles. Inner bearing (25580) and race, outer bearing (14125A) and race, grease seal, grease cap, and nuts for 9/16" studs included.

- AKHD-865-7-1-K

All of the items we ordered for the goose neck trlr. seemed to be a great product. The hubs, brakes and bearing buddies looked and felt to be a superior product. We would definitely would purchase these items again if needed. Usage and time will tell the whole story of reliability. 368601

- AKHD-865-7-1-K

Item was as described and arrived in good condition. Item shipped in a timely manner. 616591

- AKHD-865-7-1-K

Thank you so much etrailer. This Team is so easy to do business with 593522

- AKHD-865-7-1-K

At this time everything is running well but soon I’ll have the bearings repacked and will know more. Then I can write a better review 561141

- AKHD-865-7-1-K

Everything was done easily and delivered on time. Only one problem came about. I opened the package to for the hardware for hubs and one of the seals was damaged very badly and wasn't usable at all. Glad I had one already. Other than that all was good 482715

- AKHD-865-7-1-K

Worked great easy to install. 466427

- AKHD-865-7-1-K

Poor packaging 436627

- AKHD-865-7-1-K

I order all my trailer needs from e-trailer they have great quality and fast shipping Thanks etrailer. Doug 434970

- AKHD-865-7-1-K

Great replacements for worn drums/hubs. Most machine shops can't/won't turn the magnet surface so replacement is the best solution. There are 3 size of studs listed, be sure you order the correct studs for your application. Nice having bearings & seal included in one package. Be sure to clean the machined surfaces in the drum with brake cleaner or lacquer thinner to remove the preservative. Pack the bearings with grease, install the seal and you are ready to go! 417444

- AKHD-865-7-1-K

I purchased new brakes for my boat trailer, electromagnetic drums and the price and quality were excellent. Had one small issue with the packaging and it was promptly corrected. I would highly recommend etrailer!! 404225

- AKHD-865-7-1-K

I purchased 4 of these wheel assemblies for my 1993 boat trailer. It was far cheaper to replace the entire assembly than to buy all the peices and put it together myself. The parts were all high quality, and included evrything except the headache of assembly. I'll be back in 20 years or so. :) 392370


The items mentioned are still working well. I have been so pleased with my etrailer purchases that we bought 4 new tires and rims from you this spring. Paid less for 4 tires and rims than the local dealer wanted for two tires, no rims.

Gary - 06/13/2018


Ask the Experts about this etrailer Trailer Hubs and Drums

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

  • Recommended Hub and Drum Assemblies and Brakes for 7,000 Pound Triple Axle Trailer
  • To determine exactly which hubs you need you'll need to find your bearing numbers. Most likely you have # 25580 and # 14125A but verify to be sure. If these are correct you'll next want to find the diameter of your wheel studs and if you have E-Z Lube axles. If the studs are 9/16 inch use # AKHD-865-7-1-K for E-Z Lube axles and # AKHD-865-7-1-EZ-K for standard axles. For 1/2 inch studs instead use # AKHD-865-7-2-EZ-K for E-Z Lube or # AKHD-865-7-2-K for standard axles. Then...
    view full answer...

  • Will 7K Trailer Hub and Drum Assembly - 8 on 6-1/2 AKHD-865-7-1-K Work with Dually Wheels
  • Trailer Hub and Drum Assembly - 7,000-lb Axles - 12" Diameter - 8 on 6-1/2 Item # AKHD-865-7-1-K will accept hub-centric or lug-centric wheels. There is also no restriction on use with dually wheels as long as everything is within the capacity of the lowest rated component in the system. I have linked a couple of videos on this hub and drum assembly for you. If you also need brakes the drum accepts 12x2 inch assemblies such as # AKEBRK-7R-SA for the right and # AKEBRK-7L-SA for the left.
    view full answer...

  • Recommended Brake Assemblies And Drum Assemblies For 7,000 lb Dexter Axles
  • For your Dexter 7,000 lbs axles, I recommend the Electric Trailer Brake Kit - Self-Adjusting - 12" - Left and Right Hand Assemblies - 5.2K to 7K # AKEBRK-7-SA. These brake assemblies are side specific and are labeled for you. They are self adjusting after the initial adjustment at installation. We don't carry the spindles for your 7,000 lb axles, but we do have the hub and drum assemblies that will fit a traditional style spindle or an E-Z lube spindle with the 9/16 lug bolts. For...
    view full answer...

  • Trailer Hub and Drum with 8 on 6-1/2 Bolt Pattern and 9/16 Studs for 7,000 Pound Axles
  • The size socket used isn't necessarily going to be the same as the nut or stud thread size. It is usually larger since the outer width of a hex head is larger than the threaded diameter. Hub and drum assembly # 8-219-13UC3 for 5,200 to 7,000 pound axles does indeed have a stud diameter of 9/16 and would take 9/16 inch lug nuts. We also have the similar etrailer model, # AKHD-865-7-1-EZ-K, that also has 9/16 inch studs. Both it and the above assembly are for EZ Lube axles. If your axles...
    view full answer...

  • Comparing etrailer 7K Trailer Hub and Drum Assemblies with 8 on 6-1/2 Bolt Pattern
  • The biggest difference between etrailer hub and drum assembly # AKHD-865-7-2-K and # AKHD-865-7-1-K is the wheel studs. Assembly # AKHD-865-7-2-K uses wheel studs that are 1/2" diameter x 1-5/16" long. Assembly # AKHD-865-7-1-K uses wheel studs that are 9/16" diameter x 1-5/8 long. So you would want to use the one that matches what the wheels require. I have linked video reviews of both for you.
    view full answer...

  • Recommended Hub/Drum Assemblies With 8 Lugs For Spindle Measurements
  • If you want 1/2 inch lugs for your 8 lug hubs, I recommend the Trailer Hub and Drum Assembly # AKHD-865-7-2-K. If you want 9/16 inch lugs, I recommend hub/drum # AKHD-865-7-1-K. These assemblies come with the bearings and seals to fit your measurements, only taking an educated guess on the seal based on your other measurements. These hubs have zinc-enriched paint to add durability and resist corrosion and they come with the bearings, races, grease seal, grease cap, and lug nuts.
    view full answer...

  • How to Pick Out Replacement Hub for Trailer that Sheared Off Studs
  • That's pretty crazy that you ended up shearing off all 8 of your wheel studs. Normally they will break one at a time but not all together like that. This makes me wonder if maybe you were losing them all one at a time until the last few went out together. In order to pick out the correct hub assembly for a trailer you are going to need know a few key pieces of information. The first thing you will need to know is the bolt pattern of your hubs. This is so you get a hub that is compatible...
    view full answer...

  • Is Hub Replacement Required for 15 Inch Wheels to be Upgraded to 16 Inch Wheels?
  • To upgrade from a 15 inch wheel to a 16 inch wheel you won't need to change your hubs for a new bolt pattern. If you want to change your hubs for a different bolt pattern you will need the numbers on the inner and outer bearings as well as the seal of one of your hubs. I'd be happy to help with those numbers to determine if there is a fit. We do have 16 inch tires and wheels that fit that 6 on 5-1/2 inch bolt pattern if you want to keep the hubs you currently have. You will simply...
    view full answer...

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Info for this part was:

Expert Research:
Michael H
Installed by:
Jeff D
Expert Research:
Jameson C
Video Edited:
Dustin K
Photos by:
Zach O
Updated by:
Alexander C
Video by:
Zach D
Installed by:
Brent H

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