# United States tariff lines under HS 8457.20

> The United States tariff splits HS 8457.20 (unit construction machines (single station)) into 2 national lines: 8457.20.00.10 (numerically controlled) and 8457.20.00.90 (other). The general (MFN) duty is 3.3% on all 2 lines.

Source: https://border.bot/countries/united-states/hs-codes/845720
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) / [8457.20](https://border.bot/countries/united-states/hs-codes/845720)

## Key facts

- HS subheading: [8457.20](https://border.bot/hs-codes/845720)
- Duty (MFN): 3.3%
- 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 8457.20

The United States tariff splits HS 8457.20 (unit construction machines (single station)) into 2 national lines: 8457.20.00.10 (numerically controlled) and 8457.20.00.90 (other).

The general (MFN) duty is 3.3% on all 2 lines.

- [8457.20.00.10](https://border.bot/countries/united-states/hs-codes/8457200010) Unit construction machines (single station), Numerically controlled. Duty (MFN): 3.3%
- [8457.20.00.90](https://border.bot/countries/united-states/hs-codes/8457200090) Unit construction machines (single station), Other. Duty (MFN): 3.3%

## In other countries

No other national tariff on border.bot has live lines under 8457.20 yet.

- [The Harmonized System text for 8457.20](https://border.bot/hs-codes/845720)

- Previous subheading: [8457.10](https://border.bot/countries/united-states/hs-codes/845710) Machining centers, unit construction machines (single station) and multistation transfer machines, for working metal
- Next subheading: [8457.30](https://border.bot/countries/united-states/hs-codes/845730) Machining centers, unit construction machines (single station) and multistation transfer machines, for working metal

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8457.20?

The United States tariff splits HS 8457.20 (unit construction machines (single station)) into 2 national lines: 8457.20.00.10 (numerically controlled) and 8457.20.00.90 (other).

### What is the duty on HS 8457.20 in the United States?

The general (MFN) duty is 3.3% on all 2 lines.

## 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/845720.json