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Replacement Brakes, Drums, Hubs & Bearings For Dump Trailer With 10K Dexter Axles Manufactured 2006  

Published 09/26/2023

Question:

I am looking to change the entire brake and hub assembly out on a dual tandem dump trailer with 10k Dexter axles. My drum measures 12-3/16inch inside diameter at the outer rim which faces toward the axle. The outside diameter is around 14. The depth/width of the drum brake shoe contact surface is 3.5. The depth of the drum measured on the outside of the drum is 5. Would this be considered a 12-1/4inch x 5inch drum? I am trying to avoid ordering the wrong assemblies. The brake shoes are 3-1/2inch wide. The markings on the drum are 9-44, WF2, and Maximum Reboar Diameter 12.34. Axle Serial Number 154362566.

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Expert Reply:

Thank you for the serial number as this allows me to confirm all the components installed when the axle was built. For a trailer with 2 of these axles you will need the following components to change out all the parts. The brakes are 12-1/4" x 3-3/8".

Dexter Left Electric Brake # 23-450 Qty 2
Dexter Right Electric Brake # 23-451 Qty 2
Dexter Trailer Brake Drum # 9-44-1 Qty 4

We do have the Dexter Trailer Hub and Drum Assembly # K08-288-90 if you want to replace the entire hub as well as the drum. Here are the bearings and seals used for your hub as well if they need replaced separately.

Inner Bearing # 387A
Inner Race # 382A
Outer Bearing # 25580
Outer Race # 25520
Seal # 10-51

expert reply by:
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Bud M
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