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Electric Brake Hubs For M105A2 Military Trailer With 6 On 5 1/2 Inch Bolt Pattern  

Updated 04/08/2019 | Published 04/06/2019



Question:

Do you know if there is a 6x5.5 electric brake hubs that can replace the pneumatic brake hubs on my M105A2

1

Helpful Expert Reply:

I can help you find electric brake hubs for the M105A with a 6 on 5-1/2 bolt pattern. The bearings that come with the hubs fit the spindle based on the capacity of the axle on the M105A.

From my research the M105A2 either uses a 5200 lb or 6000 lb axle. I recommend trailer hub and drum assembly part # AKHD-655-6-K. This hub and drum comes with inner bearing part # 25580 and outer bearing part # 15123. It fits a 12 inch diameter brake assembly. You do want to check your existing bearings for their bearing numbers. There should be bearing numbers stamped on the side. If there is not numbers stamped on the side you can measure the bearing with a digital caliper like part # PTW80157. The inner bearing of the hub I recommended measures 1.378 inches and the outer bearing measures 1.063 inches.

If your M105A2 happens to have a 3500 lb axle, I recommend hub part # AKHD-655-35-K. This hub is made for 10 inch diameter brake assemblies. It comes with the inner bearing of # L68149 and outer bearing # L44649. These bearings are common for a 3500 lb axle. If you happen to find out the axle is 3500 lbs and the existing hubs are 10 inch diameter then these hubs are what you need.

expert reply by:
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Heather A
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