Description
part number: DB1657B
Cross Reference:
Gunite: 3600AX
Webb: 66864B(F), 66884B(F), 76864B(BW)
Meritor: 123207, 123365
Key benefits
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Factory balance—weight drilled to ± 0.5 oz for smoother stops and longer lining life.
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10-hole hub-pilot mount (11.25″ BC, 8.78″ pilot) fits today’s standard wheel-end spec.
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105-lb standard weight—durable without overstressing suspension bushings.
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Meets ISO and FMVSS requirements; covered by TRP’s one-year unlimited-mileage warranty.
Cross-reference / interchange
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Gunite 3600AX
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Webb 66864B, 66884B, 76864B
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Meritor 123207, 123365
Specifications
| Brake size | 16.5″ × 7″ |
| Bolt circle | 11.25″ (286 mm) |
| Bolt holes / Ø | 10 holes / 1.08″ |
| Pilot diameter | 8.78″ (223 mm) |
| Weight | 105 lb (47.6 kg) |
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Kenworth T680 | T880
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Peterbilt 567 | 579
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Freightliner Cascadia / Columbia
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International LT / ProStar
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Volvo VNL / VNR
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16.5 × 7 Q-type trailer axles rated to 23 k lb
Always match bolt circle & pilot size before ordering or call our brake pros at 606-864-9711.
Why buy from PeteTruckParts?
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In stock—orders before 3 PM ET ship same day.
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Free ground freight on U.S. orders ≥ $500.
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30-day hassle-free returns—no restock fee if the drum hasn’t been mounted.
Need shoes or chambers too? Browse our complete brake drums section for 4707Q shoes, slack adjusters and hardware kits.
