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Haul with confidence using DeeMaxx 13" hub-rotor assemblies with MAXX coating and threaded oil cap. Designed for 8K oil bath axles with 5/8" studs. Includes races. Works with most disc brake calipers and mounting brackets.
Trailers that see water or salty roads need serious rust protection. This DeeMaxx 13" hub-and-rotor assembly uses a Maxx coating thats been tested to hold up for more than 1,000 hours in salt spray. The machined cast-iron body delivers strong braking while the coating keeps corrosion from eating away at the surface. Whether its wet roads or salt exposure, this finish keeps the hub looking clean and lasting longer.
Brake vibration or pulsing can ruin confidence on the road. This one-piece hub-and-rotor is fully machined to minimize runout and warping, keeping everything spinning true. That means steady, predictable braking feel mile after mile. The balanced design also helps prevent uneven wear, giving a smoother ride from the first pull to the last stop.
Anyone whos replaced a brake setup knows how juggling loose parts can slow you down. This single cast-iron assembly combines hub and rotor in one solid piece, so theres no chance of contaminants getting between them and no alignment headaches during install. Industry-standard races are already included, so its ready for bearings and seals (sold separately) right out of the box.
Hauling heavy generates serious heat in the brakes, especially on long grades. The vented rotor design moves air through the assembly to shed heat fast and prevent fade or damage. That keeps braking performance consistent even when loaded close to its 8,000-lb axle rating. With cast-iron strength and a well-balanced build, it holds braking power steady when things get hot.
Water trapped in a hub can lead to early corrosion or bearing damage. Drainage holes in the hat section let water flow out quickly instead of pooling inside. Its a simple feature that makes a big difference for longevityespecially when pulling a trailer through wet conditions or after washing down the rig.
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.
Hi, everybody, Andy here with etrailer.com. Let's take a quick look at this DeeMaxx 8K disc brake kit 13-inch hub rotor. Now this is a 13 1/8 inch in diameter rotor. It is designed for 8K oil bath axles with 5/8 inch studs. This is going to work with most disc brake calipers and mounting brackets. So again, this is gonna be ideal for your 8K marine, ag, or winter-use trailer axles.
And trying to hold this up at the same time. Let me see here, my block can hold this up real quick. Let me just go ahead and confirm that measurement with you. So looking at the diameter, I hope you can see, 13 1/8 inches, just to confirm that with you. Now this does have a Maxx coating that's going to resist rust.
It's got 1,000 plus hour salt spray rating for harsh environments. Our bolt pattern is 8-on-6 1/2 inches, and that wheel stud size diameter is 5/8 inch. Now this does not include bearings, but I do wanna put that information there on the screen for you. So the bearings will be sold separately, but you do see the inner and the outer bearings that are gonna be compatible with this. The races are included.
They're already pressed in. And you can see the race numbers that this is using. The oil seal will be sold separately. And I'm including the number for that oil seal, so you can pick that up separately as well. So this is a one-piece vented hub rotor.
It's going to enhance cooling and help prevent the brake fade. And you can see the vents there. The threaded hub ends are going to accept a screw-on oil caps for secure oil bath setups. The drainage holes are included that you can see right here. So that's gonna move water out to protect the and extend the component life. But if you happen to have any other additional questions that I did not cover for you during our time together, don't hesitate to reach back out. We do wanna be sure that you're getting exactly what you want and need. Well, that's gonna wrap up our quick look today. I do hope that it was helpful for you. Again, my name is Andy. Thank you for joining me.
Customer Satisfaction Score:
92% were satisfied with this product
8% of customers were not satisfied
Ratings & Reviews

Kate F.
11/19/2025
And it looks like you are doing it all with a smile on your face Greg! Glad to hear you were prepared with the extra set of bearings as well. etrailer is lucky to have you as a neighbor (customer)! So where are you headed for the next adventure?

Gwendolyn Y.
4/14/2025
That doesn't looks good at all, Bob. If you run into any issues before or after install, please let me know and I can help.

David
1/19/2026
The best upgrade that I could’ve made to my fifth wheel was to get rid of those drum brakes and converted over to electric over hydraulic


Gwendolyn Y.
3/21/2025
Hey Robert! I'm glad that we had the answers you were looking for! Have you been able to install them yet?
Info for this part was:
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Lazer S.
4/7/2026
Glad to hear they are working better than your previous brakes, Jerry! Disc is definitely the way to go. ^___^ I will let Ashley know they are much better as well! What's the next trip you have planned to really test them out?