Staff Answer
Jul 13, 2026 - 11:59 AM
Yes, provided your existing drums are compatible and in good condition.
The Demco SB40716M is a 10" x 2-1/4" hydraulic free-backing brake assembly for 3,500 lb axles. It is designed to work with standard 10" hydraulic brake drums that match this brake size and mounting pattern. Demco also notes these brakes are designed to interchange with standard 4-bolt brake flanges and compatible 10" hub/drum assemblies.
A few things to verify:
- Your drums are 10" x 2-1/4".
- The braking surface inside the drum is smooth and not worn beyond the maximum diameter specification.
- The drums are compatible with a 3,500 lb hydraulic brake setup.
If your existing drums are heavily worn, scored, cracked, or oversized from wear, we recommend replacing them at the same time for the best braking performance.
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