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Why Are There Different Brake Drums for 9,000 and 10,000 lb Axles After July 1, 2009?  


What is the difference between the one piece hub and drum assy that is after 2009 and the two piece hub and drum assy that 2009 and older on the 10 k axles


Expert Reply:

The Dexter Trailer Hub/Drum Assembly # 8-430-5UC3 is a one piece assembly, hub and drum together. It fits Dexter 9k and 10k general duty axles made after 07/01/2009.

Hub # 8-288-3UC1 is a 2 piece for 9K axle (after 10/89) and 10K axle (through 7/1/09). It does not come with the drum or mounting bolts. Dexter changed their spindle diameters on these two capacity (9,000 and 10,000 lb) axles. The biggest difference was in the inner diameter of the seal needed.

expert reply by:
Jason S

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