# HS code 8440.10: Machinery

> HS code 8440.10 covers machinery. It sits in heading 84.40 (book-binding machinery, including book-sewing machines) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.40 are classified under 8440.90 (parts). National tariff lines under 8440.10 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/844010
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 84](https://border.bot/hs-codes/84) / [84.40](https://border.bot/hs-codes/8440) / [8440.10](https://border.bot/hs-codes/844010)

## Key facts

- HS code: 8440.10
- Covers: Machinery
- Heading: [84.40: Book-binding machinery, including book-sewing machines](https://border.bot/hs-codes/8440)
- 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/844010)

## What this code covers

HS code 8440.10 covers machinery.

The legal text of the subheading is “Machinery”, in HS2022.

## What it doesn’t cover

Other goods of heading 84.40 are classified under 8440.90 (parts).

- [8440.90](https://border.bot/hs-codes/844090) Parts

## How it is structured

8440.10 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8440, are heading 84.40; the last two, 10, 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 84.40: Book-binding machinery, including book-sewing machines
- Subheading 8440.10: Machinery

## In other countries

National tariff lines under 8440.10 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/844010): 1 line, used by 1 other country

## Related codes

The same text, “Machinery”, also divides 2 other headings in chapter 84: 8435.10 under heading 84.35 and 8478.10 under heading 84.78.

- [8435.10](https://border.bot/hs-codes/843510) Heading 84.35: Presses, crushers and similar machinery used in the manufacture of wine, cider, fruit juices or similar beverages
- [8478.10](https://border.bot/hs-codes/847810) Heading 84.78: Machinery for preparing or making up tobacco, not specified or included elsewhere in this Chapter

- Previous subheading: [8439.99](https://border.bot/hs-codes/843999) Parts: Other
- Next subheading: [8440.90](https://border.bot/hs-codes/844090) Parts

## Frequently asked questions

### What does HS code 8440.10 cover?

HS code 8440.10 covers machinery.

### Which heading and chapter is HS code 8440.10 in?

HS code 8440.10 is in heading 84.40 (book-binding machinery, including book-sewing machines) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof).

### Where are goods of heading 84.40 classified when 8440.10 doesn’t fit?

Other goods of heading 84.40 are classified under 8440.90 (parts).

### Which countries’ tariffs list national lines under HS code 8440.10?

National tariff lines under 8440.10 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/844010.json