8477.90—Parts
General duty rate
3.1%
Across 9 10-digit lines
Coverage on this page
Plain-English explanation
HTS 8477.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering 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 9 10-digit statistical lines, all with a general duty rate of 3.1%. 11 Chapter 99 tariff modifications currently touch one or more lines under this subheading.
10-digit lines under 8477.90(9)
Pick a line to view full rate detail and compute landed duty
8477.90.25.40Of machines of subheading 8477.10.30, 8477.10.40 or 8477.10.903.1%8477.90.25.80Other3.1%8477.90.45.01Barrel screws3.1%8477.90.65.00Hydraulic assemblies incorporating more than one of the following: manifold; valves; pump; oil cooler3.1%8477.90.86.01Of injection-molding machines3.1%8477.90.86.20Of extruders3.1%Tariff modifications(11)
Chapter 99 overlays touching one or more lines under 8477.90
| Code | Authority | Rate |
|---|---|---|
| 9903.82.07 | section_232 | Variable — sum of column 1 duty + additional = 10% when column 1 < 10% |
| 9903.82.08 | section_232 | 0% when column 1 ≥ 10% |
| 9903.82.10 | section_232 | Variable — sum of column 1 duty + additional = 15% when column 1 < 15% |
| 9903.82.11 |
Frequently asked questions
What does HTS 8477.90 cover?
HTS 8477.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Parts. It belongs to Chapter 84 and rolls up 9 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 8477.90?
Every 10-digit line under HTS 8477.90 carries a general (Column 1) duty rate of 3.1%. 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 8477.90?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 8477.90 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.
Are there AD/CVD orders affecting HTS 8477.90?
Learn more
Tandom guides relevant to this code
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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