Filament Extruder Gear Set
A precision gear set used to drive the filament feed mechanism in pellet-based or direct-drive additive manufacturing extruders. These gears are essential for the controlled delivery of material in FDM-style 3D printers. They are classified as 'other' parts for additive manufacturing machines under this tariff item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the gear set is sold as a general-purpose transmission component
Gear sets for general power transmission are classified under heading 84.83, not as specific machine parts.
If the gear set is not identifiable as solely for additive manufacturing machines
Parts not suitable for use solely or principally with a specific machine kind fall under this residual parts heading.
If the gears are made entirely of plastics
Plastic gears may be classified as articles of plastics under Chapter 39, per Section XVI Note 1(g).
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the gears are not part of a complete extruder assembly, as that may change classification
• Verify the material composition (e.g
• steel, plastic) to rule out classification under other chapters
• Keep detailed technical documentation to support the 'part of additive manufacturing machine' claim
Related Products under Tariff item 8485.90.90
Build Envelope Frame
An adjustable metal frame that defines the printable volume in gantry-style additive manufacturing systems. It provides structural support and alignment for the machine's moving components, making it an essential part of the 3D printer.
Build Plate for SLA Resin 3D Printer
A flat, optically clear build platform used in stereolithography (SLA) 3D printers. The plate holds the printed object during the resin curing process and is a key component of the machine's build area.
Extruder Hot End Kit for PLA Filament Printer
A complete hot end kit for desktop FDM printers that heats and deposits PLA or ABS plastic filaments during additive manufacturing. This assembly is a key part of the plastics deposit mechanism, making it classifiable under tariff item 8485.90.90 as other parts of additive manufacturing machines.
FDM Enclosure Fan for Deposit Control
A high-CFM fan that maintains enclosure temperature and humidity for optimal plastic deposition in enclosed FDM printers. This fan supports process control in additive manufacturing, qualifying as an 'other' part under tariff item 8485.90.90.
FDM Layer Deposition Fan Duct
A 3D printed or machined duct that directs cooling air to deposited plastic layers for rapid solidification in FDM printers. This duct is a part supporting plastics deposit quality, classified under tariff item 8485.90.90 as other parts of additive manufacturing machines.
Filament Extruder Gear Set for FDM Machines
A dual-gear drive system that feeds plastic filament into the hot end for precise deposition in FDM 3D printers. This gear set is a critical part enabling controlled plastics deposit, classified under tariff item 8485.90.90 as other parts of additive manufacturing machines.