Other
Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof: > Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters: > Gear boxes and other speed changers: > Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation: > Other > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 8483.40.50.80
CNC Machine Variable Speed Reducer Gearbox
A precision gearbox used in CNC machining centers for variable speed control with multiple ratios selected manually via handwheel or lever. Classified under HTS 8483.40.5080 as a fixed/variable ratio speed changer for industrial machinery. It transmits power while allowing manual ratio adjustments without electronic controls.
Industrial Multi-Ratio Gear Reducer
Heavy-duty gearbox for conveyor systems and mixers featuring multiple fixed ratios selectable by manual shifting mechanism. Falls under HTS 8483.40.5080 as 'other' speed changers with manual ratio selection. Designed for robust industrial applications requiring mechanical speed adjustment.
Manual Transmission Gearbox for Lathes
Precision gearbox for metalworking lathes allowing 12-24 speeds selected via manual lever positions. HTS 8483.40.5080 classification for machine tool speed changers with mechanical ratio selection. Essential component for variable spindle speeds in machining operations.
Bicycle Multi-Speed Hub Gearbox
Internal hub gear system (e.g., 8-speed Rohloff-style) with manual shifting for bicycles. Classified HTS 8483.40.5080 as manually selectable multiple ratio speed changer. Planetary gear design contained within wheel hub for bicycle transmissions.
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.
Planetary Gearbox for Robotics
Compact planetary speed reducer for industrial robot arms with manual ratio selection via mounting configuration. Classified HTS 8483.40.5080 as 'other' speed changers for automation equipment. High torque density design for precise positioning.
Textile Machine Multi-Speed Gearbox
Gearbox for spinning frames and looms with cone drum manual speed selection. HTS 8483.40.5080 classification for textile machinery speed changers. Mechanical shifting provides optimal speeds for different yarn counts.
Fixed Ratio Industrial Gear Reducer
Single ratio high-torque gearbox for pump drives and agitators. Even single-ratio units with multiple available ratios via gearset changes classified HTS 8483.40.5080. Designed for constant speed applications in processing plants.
Hand-Crank Variable Speed Gearbox
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.
Elevator Traction Gearbox
Worm gear speed reducer for elevator traction machines with manual ratio selection capability. Classified HTS 8483.40.5080 as manually selectable speed changer for vertical transport. High safety factor design for passenger elevators.