# United States tariff lines under HS 8437.80

> The United States tariff splits HS 8437.80 (other machinery) into 2 national lines: 8437.80.00.10 (flour mill and grain mill machines) and 8437.80.00.90 (other). Every United States line under 8437.80 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/843780
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) / [8437.80](https://border.bot/countries/united-states/hs-codes/843780)

## Key facts

- HS subheading: [8437.80](https://border.bot/hs-codes/843780)
- Duty (MFN): Free
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8437.80

The United States tariff splits HS 8437.80 (other machinery) into 2 national lines: 8437.80.00.10 (flour mill and grain mill machines) and 8437.80.00.90 (other).

Every United States line under 8437.80 is free of general (MFN) duty.

- [8437.80.00.10](https://border.bot/countries/united-states/hs-codes/8437800010) Other machinery, Flour mill and grain mill machines. Duty (MFN): free
- [8437.80.00.90](https://border.bot/countries/united-states/hs-codes/8437800090) Other machinery, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8437.80 yet.

- [The Harmonized System text for 8437.80](https://border.bot/hs-codes/843780)

- Previous subheading: [8437.10](https://border.bot/countries/united-states/hs-codes/843710) Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables, and parts thereof; machinery used in the milling industry or for the working of cereals or dried leguminous vegetables, other than farm type machinery; parts thereof
- Next subheading: [8437.90](https://border.bot/countries/united-states/hs-codes/843790) Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables, and parts thereof; machinery used in the milling industry or for the working of cereals or dried leguminous vegetables, other than farm type machinery; parts thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8437.80?

The United States tariff splits HS 8437.80 (other machinery) into 2 national lines: 8437.80.00.10 (flour mill and grain mill machines) and 8437.80.00.90 (other).

### What is the duty on HS 8437.80 in the United States?

Every United States line under 8437.80 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/843780.json