# HS code 8423.30: Constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales

> HS code 8423.30 covers constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales. It sits in 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) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.23 are classified under 8423.10 (personal weighing machines, including baby scales; household scales), 8423.20 (scales for continuous weighing of goods on conveyors), 8423.81 (other weighing machinery, having a maximum weighing capacity not exceeding 30kg), 8423.82 (other weighing machinery, having a maximum weighing capacity exceeding 30kg but not exceeding 5,000kg) or 2 others. National tariff lines under 8423.30 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/842330
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 84](https://border.bot/hs-codes/84) / [84.23](https://border.bot/hs-codes/8423) / [8423.30](https://border.bot/hs-codes/842330)

## Key facts

- HS code: 8423.30
- Covers: Constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales
- 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](https://border.bot/hs-codes/8423)
- Chapter: [84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof](https://border.bot/hs-codes/84)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/842330)

## What this code covers

HS code 8423.30 covers constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales.

The legal text of the subheading is “Constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales”, in HS2022.

## What it doesn’t cover

Other goods of heading 84.23 are classified under 8423.10 (personal weighing machines, including baby scales; household scales), 8423.20 (scales for continuous weighing of goods on conveyors), 8423.81 (other weighing machinery, having a maximum weighing capacity not exceeding 30kg), 8423.82 (other weighing machinery, having a maximum weighing capacity exceeding 30kg but not exceeding 5,000kg) or 2 others.

- [8423.10](https://border.bot/hs-codes/842310) Personal weighing machines, including baby scales; household scales
- [8423.20](https://border.bot/hs-codes/842320) Scales for continuous weighing of goods on conveyors
- [8423.81](https://border.bot/hs-codes/842381) Other weighing machinery: Having a maximum weighing capacity not exceeding 30kg
- [8423.82](https://border.bot/hs-codes/842382) Other weighing machinery: Having a maximum weighing capacity exceeding 30kg but not exceeding 5,000kg
- [8423.89](https://border.bot/hs-codes/842389) Other weighing machinery: Other
- [8423.90](https://border.bot/hs-codes/842390) Weighing machine weights of all kinds; parts of weighing machinery

## How it is structured

8423.30 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8423, are heading 84.23; the last two, 30, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- 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
- Subheading 8423.30: Constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales

## In other countries

National tariff lines under 8423.30 are live on border.bot for the United States (1 line, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/842330): 1 line, used by 1 other country

- Previous subheading: [8423.20](https://border.bot/hs-codes/842320) Scales for continuous weighing of goods on conveyors
- Next subheading: [8423.81](https://border.bot/hs-codes/842381) Other weighing machinery: Having a maximum weighing capacity not exceeding 30kg

## Frequently asked questions

### What does HS code 8423.30 cover?

HS code 8423.30 covers constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales.

### Which heading and chapter is HS code 8423.30 in?

HS code 8423.30 is in 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) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof).

### Where are goods of heading 84.23 classified when 8423.30 doesn’t fit?

Other goods of heading 84.23 are classified under 8423.10 (personal weighing machines, including baby scales; household scales), 8423.20 (scales for continuous weighing of goods on conveyors), 8423.81 (other weighing machinery, having a maximum weighing capacity not exceeding 30kg), 8423.82 (other weighing machinery, having a maximum weighing capacity exceeding 30kg but not exceeding 5,000kg) or 2 others.

### Which countries’ tariffs list national lines under HS code 8423.30?

National tariff lines under 8423.30 are live on border.bot for the United States (1 line, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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.

Machine-readable: https://border.bot/hs-codes/842330.json