# United States tariff lines under HS 8448.19

> The United States tariff splits HS 8448.19 (auxiliary machinery for machines of heading 8444, 8445, 8446 or 8447: Other) into 1 national line: 8448.19.00.00 (other). Every United States line under 8448.19 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/844819
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) / [8448.19](https://border.bot/countries/united-states/hs-codes/844819)

## Key facts

- HS subheading: [8448.19](https://border.bot/hs-codes/844819)
- Duty (MFN): Free
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8448.19

The United States tariff splits HS 8448.19 (auxiliary machinery for machines of heading 8444, 8445, 8446 or 8447: Other) into 1 national line: 8448.19.00.00 (other).

Every United States line under 8448.19 is free of general (MFN) duty.

- [8448.19.00.00](https://border.bot/countries/united-states/hs-codes/8448190000) Auxiliary machinery for machines of heading 8444, 8445, 8446 or 8447, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8448.19 yet.

- [The Harmonized System text for 8448.19](https://border.bot/hs-codes/844819)

- Previous subheading: [8448.11](https://border.bot/countries/united-states/hs-codes/844811) Auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for example, dobbies, Jacquards, automatic stop motions and shuttle changing mechanisms); parts and accessories suitable for use solely or principally with the machines of this heading or of heading 8444, 8445, 8446 or 8447 (for example, spindles and spindle flyers, card clothing, combs, extruding nipples, shuttles, healds and heald-frames, hosiery needles)
- Next subheading: [8448.20](https://border.bot/countries/united-states/hs-codes/844820) Parts and accessories of machines of heading 8444 or of their auxiliary machinery

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8448.19?

The United States tariff splits HS 8448.19 (auxiliary machinery for machines of heading 8444, 8445, 8446 or 8447: Other) into 1 national line: 8448.19.00.00 (other).

### What is the duty on HS 8448.19 in the United States?

Every United States line under 8448.19 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/844819.json