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8439.91.90.00/Brown Stock Thickener Drive Gear/Mexico

Brown Stock Thickener Drive Gear from Mexico

Precision drive gear for vacuum rotary thickeners that dewater brown stock pulp prior to bleaching. Classified under HTS 8439.91.90.00 for parts of pulp-making machinery. Provides reliable torque for continuous thickening operations.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Gear tooth profile drawings essential; noise/vibration specs for validation; avoid general transmission gear classification