Key facts
- HS subheading
- 8483.90
- National lines
- 11
- Tariff
- United States
- Chapter
- 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Summary
The United States tariff splits HS 8483.90 (toothed wheels, chain sprockets and other transmission elements presented separately; parts) into 11 national lines: 8483.90.10.10 (forged), 8483.90.10.50 (other), 8483.90.20.00 (parts of flange, take-up, cartridge and hanger units), 8483.90.30.00 (other) and 7 others.
United States lines under 8483.90
The United States tariff splits HS 8483.90 (toothed wheels, chain sprockets and other transmission elements presented separately; parts) into 11 national lines: 8483.90.10.10 (forged), 8483.90.10.50 (other), 8483.90.20.00 (parts of flange, take-up, cartridge and hanger units), 8483.90.30.00 (other) and 7 others.
- 8483.90.10.10ForgedDuty: 2.8%
- 8483.90.10.50OtherDuty: 2.8%
- 8483.90.20.00Parts of flange, take-up, cartridge and hanger unitsDuty: 4.5%
- 8483.90.30.00OtherDuty: 4.5%
- 8483.90.50.10Forged gear blanksDuty: 2.5%
- 8483.90.50.20Parts of gear boxes and speed changers for wind turbinesDuty: 2.5%
- 8483.90.50.80OtherDuty: 2.5%
- 8483.90.70.00Parts of articles of subheading 8483.20Duty: 5.5%
- 8483.90.80.10Parts of articles of subheading 8483.60.80Duty: 2.8%
- 8483.90.80.40Parts of universal jointsDuty: 2.8%
- 8483.90.80.80OtherDuty: 2.8%
In other countries
No other national tariff on border.bot has live lines under 8483.90 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 8483.90?
The United States tariff splits HS 8483.90 (toothed wheels, chain sprockets and other transmission elements presented separately; parts) into 11 national lines: 8483.90.10.10 (forged), 8483.90.10.50 (other), 8483.90.20.00 (parts of flange, take-up, cartridge and hanger units), 8483.90.30.00 (other) and 7 others.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: