8607.21—Air brakes and parts thereof
General duty rate
3.6% – 3.9%
Across 2 10-digit lines; pick a line below for the exact rate
Coverage on this page
Up one level: 8607 — Parts of railway or tramway locomotives or rolling stock: (heading)
Plain-English explanation
HTS 8607.21 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Air brakes and parts thereof. It sits in Chapter 86: Railway or tramway locomotives, rolling stock and parts thereof; railway or tramway track fixtures and fittings and parts thereof; mechanical (including electro-mechanical) traffic signaling equipment of all kinds, Section XVII: Vehicles, Aircraft, Vessels and Associated Transport Equipment and rolls up 2 10-digit statistical lines, with general duty rates ranging from 3.6% to 3.9%. 7 Chapter 99 tariff modifications currently touch one or more lines under this subheading.
10-digit lines under 8607.21(2)
Pick a line to view full rate detail and compute landed duty
Tariff modifications(7)
Chapter 99 overlays touching one or more lines under 8607.21
| Code | Authority | Rate |
|---|---|---|
| 9903.88.69 | section_301 | The duty provided in the applicable subheading |
| 9903.81.91 | section_232 | The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content. |
| 9903.81.92 | section_232 | The duty provided in the applicable subheading. |
| 9903.81.98 |
Frequently asked questions
What does HTS 8607.21 cover?
HTS 8607.21 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Air brakes and parts thereof. It belongs to Chapter 86 and rolls up 2 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 8607.21?
General (Column 1) duty rates for the 10-digit lines under HTS 8607.21 range from 3.6% to 3.9%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
How do I find the right 10-digit line under HTS 8607.21?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 8607.21 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.
Are there AD/CVD orders affecting HTS 8607.21?
Learn more
Tandom guides relevant to this code
Section 301 China tariff exclusions in 2026
What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
Open resource
How Chapter 99 tariff layers stack on a single entry
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
Open resource