Benchtop Belt Drive Speed Changer
Tabletop variable speed changer with stepped pulleys and belt tension lever for small workshop tools. Classified HTS 8483.40.50 as manually adjustable ratio device. Used for drill presses, band saws, and grinders.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Specify minimum belt size and tension spring rating in technical specs
• Include safety guard provisions compliance documentation
• Distinguish from fixed speed pulleys by documenting ratio adjustment range
Related Products under HTS 8483.40.50
Manual Multi-Speed Gearbox
A variable ratio gearbox with multiple manually selectable speeds for machine tools and agricultural equipment. Classified in HTS 8483.40.50 due to hand-lever operation for ratio changes without electronic controls. Provides precise speed control for drilling, milling, and tractor PTO drives.
Agricultural Tractor PTO Speed Changer
Manual multi-speed PTO gearbox for tractors allowing operator selection of 540/1000 RPM ratios. HTS 8483.40.50 covers fixed ratio speed changers with hand lever operation. Essential for matching implement speed requirements.
Wafer Grinder Spindle Speed Changer
Manual multi-speed gearbox for semiconductor wafer grinding equipment spindle drive. Allows precise RPM selection for different grind/lap/polish stages. HTS 8483.40.50 as manually operated speed changer.
Wind Tunnel Drive Gearbox
Variable ratio speed changer with handwheel ratio selector for wind tunnel fan test drives. HTS 8483.40.50 covers manual operation for aerodynamic testing. Provides precise airflow speed control.
Test Stand Engine Dynamometer Gearbox
Fixed ratio speed matching gearbox for engine test stands with manual ratio selection. HTS 8483.40.50 for laboratory engine performance testing applications. Matches engine RPM to dyno absorber speeds.
Laboratory Centrifuge Speed Changer
Manual pulley speed changer for research centrifuges with belt position selector. HTS 8483.40.50 as hand-operated variable ratio device for lab use. Provides precise rotor speed control.