Home/HTS/ Ch. 84/ 8483/8483.40

8483.40 · 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:

This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.

Subordinate codes (6)

CodeDescription
8483.40.10.00Torque converters
8483.40.30Imported for use with machines for making cellulosic pulp, paper or paperboard
8483.40.50Other
8483.40.70.00Other speed changers
8483.40.80.00Ball or roller screws
8483.40.90.00Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

Frequently asked

What does 8483.40 cover?
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:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
Where does this data come from?
Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.