Description
OTR D1645 refers to a heavy‑duty brake shoe set commonly used in commercial trucks and trailers.
Key Details
Part Type: Brake shoes (typically sold as a set or kit)
Size/Class: 16.5″ x ~7″ (standard heavy truck size class)
Application: Drive & trailer axles (depending on lining spec)
Common Spec: Matches Eaton / Meritor / Gunite style brake systems
Common Cross References
D1645 is a widely cross-referenced number. Equivalent or similar parts may include:
Meritor: 4707 / 4515 (depending on lining variation)
Gunite: AS1135 (you actually have this open—good match family)
Automann: 100.4515 series (like 100.4515.40BX)
OTR: D1645 (your original)
Fras-le / Abex / Webb: Various 4515 / 4707 spec sets
Lining material (FF, GG, etc.)
Drill pattern / hardware included
OEM vs aftermarket spec
So when ordering or listing:
✔ Confirm lining spec (4515 vs 4707)
✔ Check hardware kit included or not
✔ Verify OEM vs relined
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