8431.49—Parts suitable for use solely or principally with the machinery of headings 8425 to 8430, other
General duty rate
Free
Across 24 10-digit lines
Coverage on this page
Up one level: 8431 — Parts suitable for use solely or principally with the machinery of headings 8425 to 8430: (heading)
Plain-English explanation
HTS 8431.49 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Parts suitable for use solely or principally with the machinery of headings 8425 to 8430, other. 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 24 10-digit statistical lines, all with a general duty rate of Free. 14 Chapter 99 tariff modifications currently touch one or more lines under this subheading, and 3 AD/CVD orders flag at least one child line.
10-digit lines under 8431.49(24)
Pick a line to view full rate detail and compute landed duty
8431.49.10.10Of machinery of subheadings 8426.11, 8426.19 and 8426.30Free8431.49.10.60Of mobile lifting frames, straddle carriers and works trucks fitted with a craneFree8431.49.10.70Of copper or copper alloysFree8431.49.10.80OtherFree8431.49.90.05Backhoe attachmentsFree8431.49.90.10Front-end loader attachmentsFreeTariff modifications(14)
Chapter 99 overlays touching one or more lines under 8431.49
| Code | Authority | Rate |
|---|---|---|
| 9903.82.05 | section_232 | 15% |
| 9903.82.13 | section_232 | 0% |
| 9903.81.91 | section_232 | The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content. |
| 9903.82.15 |
AD/CVD orders(3)
Antidumping or countervailing orders covering one or more lines under 8431.49
Frequently asked questions
What does HTS 8431.49 cover?
HTS 8431.49 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Parts suitable for use solely or principally with the machinery of headings 8425 to 8430, other. It belongs to Chapter 84 and rolls up 24 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 8431.49?
Every 10-digit line under HTS 8431.49 carries a general (Column 1) duty rate of Free. Section 301, Section 232, and AD/CVD overlays may stack on top of this rate at the per-line level — open a specific 10-digit code to see its complete tariff stack.
How do I find the right 10-digit line under HTS 8431.49?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 8431.49 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 8431.49?
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.
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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.
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