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  1. Trailer Hubs and Drums
  2. Kodiak
  3. 6 on 5-1/2 Inch
  4. For 5200 lbs Axles
  5. For 6000 lbs Axles
  6. Hub with Integrated Rotor
Kodiak 12" Hub-and-Rotor Assembly - 6 on 5-1/2 - Dacromet - 5,200 lbs to 6,000 lbs

Kodiak 12" Hub-and-Rotor Assembly - 6 on 5-1/2 - Dacromet - 5,200 lbs to 6,000 lbs

Item # KHR12D
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Trailer Hubs and Drums
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Shipping Weight: 27 lbs
Kodiak 12" Hub-and-Rotor Assembly - 6 on 5-1/2 - Dacromet - 5,200 lbs to 6,000 lbs 15123 KHR12D
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Kodiak's hub-and-rotor assembly makes it easy to change from drum brakes to disc brakes. Made of machined cast iron with Dacromet plating, this 1-piece unit is balanced for a smooth ride and furnished with standard races. Lowest Prices for the best trailer hubs and drums from Kodiak. Kodiak 12" Hub-and-Rotor Assembly - 6 on 5-1/2 - Dacromet - 5,200 lbs to 6,000 lbs part number KHR12D can be ordered online at or call 800-298-1624 for expert service.
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  • Reviews (15)
  • Q & A (0)
  • Photos
  • Why etrailer?

Kodiak Trailer Hubs and Drums - KHR12D

  • 6 on 5-1/2 Inch
  • For 5200 lbs Axles
  • For 6000 lbs Axles
  • Hub with Integrated Rotor
  • Standard
  • 14-1/2 Inch Wheel
  • 15 Inch Wheel
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • 1/2 Inch Stud
  • 15123
  • 25580
  • Kodiak

Kodiak's hub-and-rotor assembly makes it easy to change from drum brakes to disc brakes. Made of machined cast iron with Dacromet plating, this 1-piece unit is balanced for a smooth ride and furnished with standard races.


  • Single-piece assembly makes installation a snap, whether you're retrofitting or switching from drum brakes
  • Machined process minimizes runout and warping
    • Contaminants can't get in between rotor and hub
  • Balanced unit provides smooth ride
  • Vented design effectively dissipates heat, preventing heat-related damage
  • 1/2" Wheel studs and industry-standard races are included
  • Cast iron construction ensures a favorable friction coefficient for necessary stopping power
  • Dacromet plating provides superior corrosion resistance for freshwater or saltwater use
    • 300- to 400-Hour salt-spray rating


  • Fits:
    • Axle capacity: 5,200 lbs - 6,000 lbs
    • Wheel size: 15" and larger
  • Bolt pattern: 6 on 5-1/2"
  • Wheel bolt diameter: 1/2"
  • Rotor diameter: 12"
  • 3-Year warranty

Bearing, Race, and Seal Information

  • Bearings (sold separately)
    • Inner bearing: 25580
    • Outer bearing: 15123
  • Races (included)
    • Inner race: 25520
    • Outer race: 15245
  • Grease seal (sold separately): 10-36
    • Inner diameter: 2.25"
    • Outer diameter: 3.376"

R/H-12-D Kodiak 12" Hub-and-Rotor Assembly - 6 on 5-1/2 - Dacromet - 5,200 lbs to 6,000 lbs

Replaces ROTOR/HUB-12-SCAD (KHR12SC), ROTOR/HUB-12-DAC, and KHR12E

Customer Reviews

Kodiak 12" Hub-and-Rotor Assembly - 6 on 5-1/2 - Dacromet - 5,200 lbs to 6,000 lbs - KHR12D

Average Customer Rating:  4.9 out of 5 stars   (15 Customer Reviews)

Kodiak's hub-and-rotor assembly makes it easy to change from drum brakes to disc brakes. Made of machined cast iron with Dacromet plating, this 1-piece unit is balanced for a smooth ride and furnished with standard races.

- KHR12D

Took a while to get them, rather expected when democrats steel the election.

- KHR12D

Etrailer is the BEST!!!

- KHR12D

I ordered this rotor to use as a spare during long trips in case damage is so great, the hub would be shot. As always with etrailer, good price and fast shipping. The box arrived in good condition, but the rotor needed the threads chased on one wheel stud and a inner bore dressing up of two small high spots on the wheel seal surface due to two dings right on the edge of the machined surface where the seal installs. These were easily fixed, so I didn't want to go the return route and wait several more days.

- KHR12D

I have used these guys before the web page is easy to use, delivery is fast, and the order is accurate. Kodiak brakes are easy to install and are the best I have found for salt water use on boat trailers.

- KHR12D

Affordable price, Shipment on time

- KHR12D

Good parts

- KHR12D

Exactly as specified, well packaged and on time.

- KHR12D

The right brake and good

- KHR12D

Excellent quality, still looks like new.

- KHR12D

Fast shipping

- KHR12D

- KHR12D

The right parts

- KHR12D

The right part

- KHR12D

everything was as said

- KHR12D


Ask the Experts about this Kodiak Trailer Hubs and Drums

  • Do Torsion Axles Move Up and Down or No Movement at All
    Sounds like your trailer may have torsion axles which means the main body of the axle does not move up and down. If instead the axle uses leaf springs for suspension then the whole axle does move up and down. If you are unsure you can send me a picture of the axle near the hub and I'll take a look.
    view full answer...
  • Will the Bearing Races be Installed in the Kodiak 12 Inch Hub and Rotor Assembly
    The bearing races will be installed on the Kodiak Hub and Rotor Assembly, # KHR12D. The bearings for the hub are # 25580 for the inner and # 15123 for the outer. We offer a Bearing Kit, # BK3-100, that includes both bearings # 25580 and # 15123, but also the grease seal 10-36 with an inside diameter of 2.25 inches.
    view full answer...
  • Minimum Thickness Allowed for Kodiak 225 Disc Brake Rotors
    The minimum thickness/clearance for the Kodiak 225 disc brake rotors like the # KHR12D is 21.6mm. I confirmed this with my contact at Kodiak.
    view full answer...
  • What Parts Needed When Replacing Disc Brake Rotors # KHR12D on Boat Trailer
    When replacing the disk brake rotors on your trailer it is recommended that you also replace your bearings, races and seals at the same time. This will ensure that all components are new and in good order and will prevent the need to dismantle your trailer again to replace an older part that may wear out before others. The bearing kit for this rotor is part # BK3-100. I have included an article that covers the process of replacing bearings, races and seals on a trailer hub. The Kodiak...
    view full answer...
  • Bearing Buddy Recommendation for 5,200 lb Axle Kodiak Rotor Hub
    The correct bearing buddy for the Hub part # KHR12D that you referenced would be based on the 15123 outer bearing that the hub uses. Based on that you would want the Bearing Buddy part # BB2441. Installing the Bearing Buddy is pretty easy and would not work with the tool you mentioned. I have included a link to a video and if you fast forward to about the 5:20 minute mark, our installer puts one on. He lines it up first and gives it a tap to get started. Then he places a block of wood...
    view full answer...
  • Thickness of Rotor Portion of Kodiak 12-Inch Hub-and-Rotor Assembly KHR12D
    The thickness of the rotor on Kodiak 12-Inch Hub-and-Rotor Assembly # KHR12D is 0.930-inch (23.6mm). I confirmed this dimension with my technical contact at Kodiak. Naturally this starting thickness will gradually be reduced from use.
    view full answer...
  • Does Kodiak Disc Brake Kit # KHR12D Fit all 6k Trailer Axles
    If you have a standard 6k trailer axle the Kodiak kit part # KHR12D is going to be a fit for it. Easiest way to check is to pull the hub off your current axle and check the bearing numbers in it. If they are # 25580 and # 15123 (which this kit does not supply), then this would fit and work well for you. The other way to check is to measure the spindle where the bearings ride. If the dimensions are 1.73 and 1.38 inch this kit would fit.
    view full answer...
  • Recommended Disc Brake Components for Nuwa Hitchhiker 5th Wheel Trailer Conversion
    For your Nuwa Hitchhiker 5th wheel, I recommend you start with the Kodiak 12" Hub-and-Rotor Assembly - 6 on 5-1/2 # KHR12D. For this assembly you will need the bearing kit # Bearing Kit # BK3-100. For your grease caps you will need # RG04-060 which come in sets. For your calipers, I recommend the Kodiak Disc Brake Caliper - Dacromet# KDBC225DAC along with the mounting bracket # KCMB12D and brake pads # K225CP. For your brake lines and your Electric Over Hydraulic actuator, I recommend...
    view full answer...
  • Disc Brake Kit Recommendation for 2003 Ranger Trail Trailer
    The grease seal you have has the inner diameter of 2.125 and is basically a # GS-2125DL. So what you'd need to do is use the grease seal # GS-2125DL with the correct bearings for this kit of # 25580 and # 15123 and you'd be set. These bearings and seals would be all that you'd need to fit the hub/rotor kit to your axle.
    view full answer...
  • Is Spindle Available For Kodiak 12 Inch Hub And Rotor Assembly For 5,200 - 6,000 Lb Axles
    We do not offer a spindle that will work with part # KHR12D. This hub is designed to fit 5,200 - 6,000 lb axles and wheels that are 15 inches diameter or larger. You can contact your local axle retailer and ask about a spindle that will work with this Hub. The inner bearing (sold separately), is part # 25580 and has an inner diameter of 1.750. The outer bearing (sold separately), is part # 15123 and has an inner diameter of 1.250. The inner race (included), part # 25520 has an outer...
    view full answer...
  • Kodiac Rotor Part # KHR12D Bearings and Brake Pad Recommendation
    The Kodiak 12" Hub-and-Rotor Assembly # KHR12D that you referenced requires an inner bearing of # 25580 and an outer bearing of # 15123. For a set of brake pads you would want the part # K225CP.
    view full answer...
  • Recommended Suspension And Brake Upgrade For 2019 Forest River Sabre 32DPT W/ Tandem 5200lb axles
    I have another suggestion, but I don't think changing the axles wheels will have the added benefit you are looking for. Moving from 5200lb axles to 7000lb or 8000lb and heavier duty leaf springs will actually cause a rougher ride due to springs being stiffer than needed for the weight of your 2019 Forest River Sabre 32dpt. There is also not a kit to complete this change, and it will be pretty involved and costly. Going overkill on suspension usually leads to more negatives than positives,...
    view full answer...
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  • Replacement Rotor Hub Needed for a 2004 Four Winns Trailer
    I do have a way to help you get the correct replacement rotor hub for your 2004 Four Winns trailer, but unfortunately we do not have a list of parts on trailers. Usually we can help you get the correct replacement parts based off of the weight capacity of your axle, but to ensure that everything is correct it is best that you know what bearings and seal that you need. To get the correct replacement rotor hub you first need to pull your hub and check for part numbers on your inner and...
    view full answer...
    Image 1 for
  • How to Determine the Replacement Hubs for a 2002 Magic Tilt Trailer
    To determine what the correct replacement hubs are for your Magic Tilt trailer there is a little bit of information that we will need. We will need to find out inner diameter of both the Inner and Outer Bearings as well as the inner diameter of the Grease Seal. To ensure that your current wheels are compatible with the hub that you get you will need to make sure that you also have the appropriate bolt pattern on your hub. If you remove one of your current hubs you should be able to see...
    view full answer...
    Image 1 for
  • How to Choose Replacement Lug Bolt or Hub
    Thanks for the photo; I can't say for certain if the lug can be replaced or not, but in order to find the correct replacement all you'd need to do is measure. For example, the Kodiak Wheel Bolt # K12WB2 is for Kodiak integral hub-and-rotor brake assemblies with a 2" stud length, 0.42" spline length and a 1/2"-20 UNF-2A thread. I will leave a link below to our entire selection of replacement bolts. If it turns out you can't replace just the bolt you'll need to replace the hub. To do this...
    view full answer...
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Info for this part was:

Employee Lindsey S
Updated by:
Lindsey S
Employee Adele M
Updated by:
Adele M
Employee Wilson B
Updated by:
Wilson B
Employee Mike S
Updated by:
Mike S
Employee Matthew E
Updated by:
Matthew E
Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Alan C
Video by:
Alan C

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