8483.90—Toothed wheels, chain sprockets and other transmission elements presented separately; partsGeneral duty rate
2.5% – 5.5%
Across 11 10-digit lines; pick a line below for the exact rate
Coverage on this page
HTS 8483.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Toothed wheels, chain sprockets and other transmission elements presented separately; parts. It sits in Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, Section XVI: Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such Articles and rolls up 11 10-digit statistical lines, with general duty rates ranging from 2.5% to 5.5%. 19 Chapter 99 flags link to one or more child lines (13 active, 6 expired).
Pick a line to view its exact rate and estimate duties and customs fees
8483.90.10.10Forged2.8%8483.90.10.50Other2.8%8483.90.20.00Parts of flange, take-up, cartridge and hanger units4.5%8483.90.30.00Other4.5%8483.90.50.10Forged gear blanks2.5%8483.90.50.20Parts of gear boxes and speed changers for wind turbines2.5%8483.90.50.80Other2.5%8483.90.70.00Parts of articles of subheading 8483.205.5%8483.90.80.10Parts of articles of subheading 8483.60.802.8%8483.90.80.40Parts of universal joints2.8%8483.90.80.80Other2.8%Provisions linked to one or more lines under 8483.90; applicability depends on origin, product facts, claims, and entry date
| Code | Authority | Rate |
|---|---|---|
| 9903.88.01 | section_301Active | The duty provided in the applicable subheading plus 25% |
| 9903.88.11 | section_301Active | The duty provided in the applicable subheading |
| 9903.88.14 | section_301Active | The duty provided in the applicable subheading |
| 9903.88.15 | section_301Active | The duty provided in the applicable subheading + 7.5% |
| 9903.82.07 | section_232Active | Variable — sum of column 1 duty + additional = 10% when column 1 < 10% |
| 9903.82.08 | section_232Active | 0% when column 1 ≥ 10% |
| 9903.82.10 | section_232Active | Variable — sum of column 1 duty + additional = 15% when column 1 < 15% |
| 9903.82.11 | section_232Active | 0% when column 1 ≥ 15% |
| 9903.81.91 | section_232Expired | The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content. |
| 9903.82.15 | section_232Active | 10% |
| 9903.81.92 | section_232Expired | The duty provided in the applicable subheading. |
| 9903.81.98 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.80.03 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.82.05 | section_232Active | 15% |
| 9903.82.13 | section_232Active | 0% |
| 9903.82.06 | section_232Active | 10% |
| 9903.88.10 | section_301Active | The duty provided in the applicable subheading |
HTS 8483.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Toothed wheels, chain sprockets and other transmission elements presented separately; parts. It belongs to Chapter 84 and rolls up 11 10-digit statistical lines that brokers actually file at entry.
General (Column 1) duty rates for the 10-digit lines under HTS 8483.90 range from 2.5% to 5.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
Tandom links section_301 provision 9903.88.01 to HTS 8483.90. Its published rate notation is The duty provided in the applicable subheading plus 25%, and its status on 2026-09-26 is active. 18 additional Chapter 99 flags also link to this code. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 8483.90 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Tandom's current catalog view links no potentially relevant AD/CVD (antidumping or countervailing duty) order flags to lines under HTS 8483.90. Check current Commerce scope materials and Federal Register notices before relying on an HTS-only screen.
Tandom guides relevant to this code
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