8483.40.50.80/Hand-Crank Variable Speed Gearbox/Mexico

Hand-Crank Variable Speed Gearbox from Mexico

Manual crank-operated continuously variable transmission for testing equipment. HTS 8483.40.5080 for manually manipulated speed changers. Friction drive or cone pulley design allows infinite ratio selection by crank position.

Duty Rate — Mexico → United States

12.5%

Rate breakdown

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

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Import Tips

• Demonstrate hand crank operation with video/mechanism drawings

• Often used in labs qualifying for scientific instrument exemptions

• Distinguish from power transmission (8501) by manual operation