Winch Multi-Ratio Gearbox
Heavy-duty gearbox for electric winches with multiple reduction ratios selected by repositioning drive pin. HTS 8483.40.5080 for manually selectable speed changers in industrial lifting equipment. Provides mechanical advantage for various load capacities.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as part of complete hoist/winch
Gearboxes integral to hoisting machinery classified with end-use equipment.
If worm gear dominant design
Speed changers emphasizing screw gearing classified separately from spur/helical gear types.
If for semiconductor wafer handling winches
Precision cleanroom gearboxes qualify for Chapter 84 semiconductor provisions.
Not sure which classification is right?
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Import Tips & Compliance
• Specify load ratings and ratio selection mechanism in technical docs
• Winch gearboxes often require OSHA compliance certification for US market
• Avoid 8425 classification if sold without drum/hoist assembly
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