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Other engines and motors, and parts thereof: > Parts: > Other

Duty Rate (from China)

35%
MFN Base RateFree
9903.03.01+10%

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

9903.88.03+25%

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)

Total Effective Rate35%

Subheadings

8412.90.90.05Of linear acting engines and motors
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8412.90.90.15Other
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8412.90.90.25Of linear acting engines and motors
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8412.90.90.35Other
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8412.90.90.50Of reaction engines other than turbojets
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8412.90.90.70Wind turbine blades, imported in accordance with statistical note 2 of this chapter
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8412.90.90.75Wind turbine hubs
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8412.90.90.85Other
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Products classified under HTS 8412.90.90

Czochralski Crystal Puller Motor

This electric motor powers the rotation and pulling mechanism in Czochralski crystal growers used to produce monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8412.90.90 as a part of other engines and motors designed for precise control in semiconductor manufacturing equipment. The motor's high-torque, low-speed design ensures stable crystal growth processes.

Float Zone Crystal Grower Drive Motor

Precision stepper motor for float zone crystal growers that melt and zone-refine semiconductor material into high-purity rods. Classified in 8412.90.90 as a part of specialized semiconductor processing motors, distinct from general purpose engines.

Wafer Slicing Saw Spindle Motor

High-precision spindle motor for diamond wafer slicing saws that cut semiconductor boules into thin wafers. Under HTS 8412.90.90 as other motor parts essential for semiconductor wafer preparation equipment.

Crystal Grinder Rotary Drive Motor

Variable speed motor for rotating crystal boules during grinding to precise wafer diameters in semiconductor prep equipment. HTS 8412.90.90 covers such specialized parts of other engines and motors.

Wafer Lapping Machine Servo Motor

Closed-loop servo motor maintaining flatness tolerances during wafer lapping for semiconductor fabrication readiness. Classified 8412.90.90 as part of precision motors in wafer prep equipment.

Wafer Polishing Platen Drive Motor

Constant velocity motor for polishing platens achieving mirror-finish wafer surfaces for device fabrication. Falls under HTS 8412.90.90 for semiconductor-specific motor parts.

Semiconductor Vacuum Pump Motor

Brushless DC motor for turbomolecular pumps maintaining ultra-high vacuum in crystal growth chambers. HTS 8412.90.90 includes such parts for semiconductor processing engines.

Wafer Handling Robot Arm Motor

Precision linear motor for cleanroom wafer transfer robots between processing stations. Classified under 8412.90.90 as motor part for semiconductor handling equipment.

Crystal Ingot Weighing Motor

Low-speed motor for automated boule weighing scales in semiconductor material processing lines. HTS 8412.90.90 covers auxiliary motors in crystal manufacturing equipment.

Epitaxial Reactor Rotation Motor

High-temperature motor rotating substrates during epitaxial layer deposition for semiconductor devices. Part of reactor engines under HTS 8412.90.90.