# United States tariff lines under HS 8479.90

> The United States tariff splits HS 8479.90 (parts) into 12 national lines: 8479.90.41.00 (of articles of subheading 8479.89.10 or 8479.89.70), 8479.90.45.00 (frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front plates), 8479.90.55.00 (ram assemblies incorporating a ram wrapper and/or ram cover), 8479.90.65.00 (container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container front) and 8 others. Every United States line under 8479.90 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/847990
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8479.90](https://border.bot/countries/united-states/hs-codes/847990)

## Key facts

- HS subheading: [8479.90](https://border.bot/hs-codes/847990)
- Duty (MFN): Free
- National lines: 12
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8479.90

The United States tariff splits HS 8479.90 (parts) into 12 national lines: 8479.90.41.00 (of articles of subheading 8479.89.10 or 8479.89.70), 8479.90.45.00 (frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front plates), 8479.90.55.00 (ram assemblies incorporating a ram wrapper and/or ram cover), 8479.90.65.00 (container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container front) and 8 others.

Every United States line under 8479.90 is free of general (MFN) duty.

- [8479.90.41.00](https://border.bot/countries/united-states/hs-codes/8479904100) Parts, Of articles of subheading 8479.89.10 or 8479.89.70. Duty (MFN): free
- [8479.90.45.00](https://border.bot/countries/united-states/hs-codes/8479904500) Parts, Of trash compactors, Frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front plates. Duty (MFN): free
- [8479.90.55.00](https://border.bot/countries/united-states/hs-codes/8479905500) Parts, Of trash compactors, Ram assemblies incorporating a ram wrapper and/or ram cover. Duty (MFN): free
- [8479.90.65.00](https://border.bot/countries/united-states/hs-codes/8479906500) Parts, Of trash compactors, Container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container front. Duty (MFN): free
- [8479.90.75.00](https://border.bot/countries/united-states/hs-codes/8479907500) Parts, Of trash compactors, Cabinets or cases. Duty (MFN): free
- [8479.90.85.00](https://border.bot/countries/united-states/hs-codes/8479908500) Parts, Of trash compactors, Other. Duty (MFN): free
- [8479.90.95.10](https://border.bot/countries/united-states/hs-codes/8479909510) Parts, Other, Of machines for preparing biological samples for the subsequent diagnosis, testing, or analysis, as described in statistical note 7 to this chapter. Duty (MFN): free
- [8479.90.95.30](https://border.bot/countries/united-states/hs-codes/8479909530) Parts, Other, Of industrial robots. Duty (MFN): free
- [8479.90.95.50](https://border.bot/countries/united-states/hs-codes/8479909550) Parts, Other, Other, Of machinery for public works, building or the like. Duty (MFN): free
- [8479.90.95.60](https://border.bot/countries/united-states/hs-codes/8479909560) Parts, Other, Other, Of presses for the manufacture of particle board or fiber building board of wood or other ligneous materials and other machinery for treating wood or cork. Duty (MFN): free
- [8479.90.95.65](https://border.bot/countries/united-states/hs-codes/8479909565) Parts, Other, Other, Of machines or mechanical appliances for treating metal. Duty (MFN): free
- [8479.90.95.91](https://border.bot/countries/united-states/hs-codes/8479909591) Parts, Other, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8479.90 yet.

- [The Harmonized System text for 8479.90](https://border.bot/hs-codes/847990)

- Previous subheading: [8479.89](https://border.bot/countries/united-states/hs-codes/847989) Other
- Next subheading: [8480.10](https://border.bot/countries/united-states/hs-codes/848010) Molding boxes for metal foundry; mold bases; molding patterns; molds for metal (other than ingot molds), metal carbides, glass, mineral materials, rubber or plastics

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8479.90?

The United States tariff splits HS 8479.90 (parts) into 12 national lines: 8479.90.41.00 (of articles of subheading 8479.89.10 or 8479.89.70), 8479.90.45.00 (frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front plates), 8479.90.55.00 (ram assemblies incorporating a ram wrapper and/or ram cover), 8479.90.65.00 (container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container front) and 8 others.

### What is the duty on HS 8479.90 in the United States?

Every United States line under 8479.90 is free of general (MFN) duty.

## 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:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/847990.json