Fixed ratio speed changers
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 > Fixed ratio speed changers
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 8483.40.50.10
Industrial Fixed Ratio Gear Reducer
A fixed ratio speed changer used in heavy machinery to reduce motor speed while increasing torque output for consistent operation. It falls under HTS 8483.40.5010 as a gear box with a fixed gear ratio selected manually, distinct from variable or multiple ratio types. Commonly employed in conveyor systems and pumps.
Helical Inline Gearbox
Fixed ratio speed changer with helical gears for smooth, quiet operation in inline configurations. HTS 8483.40.5010 applies to its single, manually selected fixed ratio for industrial drives. Used in mixers, fans, and agitators.
Planetary Gear Speed Reducer
High-precision fixed ratio speed changer using planetary gear sets for compact, high-torque applications. Falls under HTS 8483.40.5010 as a fixed ratio gear box manually configured. Common in robotics and automation.
Bevel Gear Right Angle Reducer
Fixed ratio speed changer with bevel gears for 90-degree power transmission. HTS 8483.40.5010 covers its manual fixed ratio setup for fixed applications. Used in overhead cranes and food processing.
Cycloidal Drive Speed Reducer
Fixed ratio speed changer featuring cycloidal disc technology for zero-backlash performance. Classified HTS 8483.40.5010 for fixed ratio manual selection in precision machinery. Applied in CNC and packaging equipment.
Fixed Ratio Conveyor Gearbox
Robust fixed ratio speed changer optimized for belt conveyor drives with manual ratio selection. Under HTS 8483.40.5010 as non-variable speed changer for material handling. Features IP65 protection.
Pump Drive Fixed Ratio Reducer
Fixed ratio speed changer designed for centrifugal pump applications with manual ratio setting. HTS 8483.40.5010 classification for industrial fluid handling transmissions.
Elevator Traction Gear Reducer
Fixed ratio speed changer for elevator traction drives with precise manual ratio for safety-critical applications. Classified HTS 8483.40.5010 as fixed ratio gear box.
Worm Gear Speed Reducer
Compact fixed ratio speed changer using a worm gear mechanism for high torque reduction in right-angle applications. Classified in HTS 8483.40.5010 for its fixed ratio design manually set during installation. Ideal for elevators, winches, and material handling equipment.
Multi-Stage Helical Gearmotor Reducer
Fixed ratio speed changer with multiple helical stages for extreme reduction ratios up to 5000:1. HTS 8483.40.5010 for its fixed, manually set ratio in heavy-duty applications like extruders.