# United States tariff line 8423.30.00.00: Constant-weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales

> In the United States tariff, line 8423.30.00.00 covers constant-weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8423.30 in heading 84.23 (chapter 84).

Source: https://border.bot/countries/united-states/hs-codes/8423300000
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) / [8423.30](https://border.bot/countries/united-states/hs-codes/842330) / [8423.30.00.00](https://border.bot/countries/united-states/hs-codes/8423300000)

## Key facts

- Tariff line: 8423.30.00.00
- Covers: Constant-weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [8423.30](https://border.bot/hs-codes/842330)

## What this line covers

In the United States tariff, line 8423.30.00.00 covers constant-weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales.

Its legal text is “Constant-weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales”.

## How it is structured

It falls under HS subheading 8423.30 in heading 84.23 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
- Heading 84.23: Weighing machinery (excluding balances of a sensitivity of 5 cg or better), including weight-operated counting or checking machines; weighing machine weights of all kinds; parts of weighing machinery
- Line 8423.30.00.00: Constant-weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 8423.30 yet.

- [The Harmonized System text for 8423.30](https://border.bot/hs-codes/842330)

- Previous line: [8423.20.90.00](https://border.bot/countries/united-states/hs-codes/8423209000) Other
- Next line: [8423.81.00.10](https://border.bot/countries/united-states/hs-codes/8423810010) Counting scales

## Frequently asked questions

### What does tariff line 8423.30.00.00 cover in the United States tariff?

In the United States tariff, line 8423.30.00.00 covers constant-weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales.

### What is the general (MFN) duty on 8423.30.00.00 in the United States?

Goods under this line enter 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/8423300000.json