Imported for use with machines for making cellulosic pulp, paper or paperboard
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: > Imported for use with machines for making cellulosic pulp, paper or paperboard
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 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8483.40.30
Fixed Ratio Gearbox for Pulp Refiner
A fixed ratio speed changer gearbox designed specifically for use in pulp refiners, which process wood chips into cellulosic pulp for paper production. It transmits power from the motor to the refiner disc at a constant speed ratio, enduring high torque and abrasive conditions in pulp mills. Classified under HTS 8483.40.30 due to its importation explicitly for machines making cellulosic pulp.
Variable Ratio Speed Changer for Paper Machine Drive
A multiple ratio speed changer with manual gear selection for adjusting speeds in paper machine wet end drives, enabling optimization during cellulosic pulp processing to paper. Built with corrosion-resistant materials for humid paper mill environments. Falls under HTS 8483.40.30 as imported expressly for paperboard manufacturing equipment.
Fixed Speed Reducer for Paperboard Calender Drive
Compact fixed ratio speed reducer transmitting power to calender rolls in paperboard finishing machines, reducing motor speed for precise sheet compression from pulp slurry. Designed for high-load paper production lines. Imported for paperboard machines qualifies it for HTS 8483.40.30.
Multi-Ratio Speed Changer for Paper Stock Pump
Gearbox with multiple manual ratios for driving pulp stock pumps that circulate cellulosic slurry in paper machines. High-efficiency design for continuous operation. Specifically for paper making qualifies under HTS 8483.40.30.
Manual Gear Selector for Paper Press Section
Variable ratio gearbox with manual selector for press rolls in paper machines, squeezing water from pulp web. Heavy-duty for production pressures. Imported for paperboard machines under HTS 8483.40.30.
Manual Multi-Ratio Gearbox for Pulp Digger Agitator
Heavy-duty gearbox with multiple manually selectable ratios for driving agitators in pulp digesters, which cook wood chips into pulp for paper production. Features robust housing for high-pressure steam environments. HTS 8483.40.30 applies as it's imported dedicated for cellulosic pulp making machines.
Hand-Shift Variable Gearbox for Pulp Screen Drive
Variable speed changer with hand lever for adjusting pulp screen rotation speeds, separating fibers in cellulosic pulp preparation for paperboard. Corrosion-proof for wet pulp handling. HTS 8483.40.30 due to dedicated pulp machine importation.
Fixed Ratio Drive for Pulp Washer Drum
Robust fixed ratio speed changer powering rotating drums in pulp washers that clean cellulosic pulp fibers for paper production. Built for chemical exposure. HTS 8483.40.30 for pulp machine use.