Product Description
Webb 64474F heavy-duty brake drum, a discontinued part number originally manufactured for commercial truck braking systems.
Designed for 15-inch diameter brakes with 6-inch brake shoes, this drum features outboard mounting and a 10-hole bolt pattern for disc wheel configurations.
Webb identifies the 64474F as obsolete, with Gunite 3450 listed as a documented cross-reference. This hard-to-find drum may be particularly useful for maintaining older commercial trucks that require the original brake configuration.
Reference Specifications:
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Brake diameter: 15.00 inches
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Brake shoe width: 6.00 inches
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Mounting: Outboard
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Wheel type: Disc
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Overall depth: 9.88 inches
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Brake surface width: 6.34 inches
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Pilot diameter: 7.00 inches
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Bolt circle diameter: 8.75 inches
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Mounting holes: 10
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Bolt hole diameter: 0.73 inches
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Backplate thickness: 0.50 inches
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Reference drum weight: 101 lbs
These specifications are based on the documented Gunite 3450 equivalent.
Verify the original part number, mounting dimensions, and compatibility before ordering.
