HS code 8412.31: Pneumatic power engines and motors, linear acting (cylinders)
Last updated
Key facts
- HS code
- 8412.31
- Covers
- Pneumatic power engines and motors, linear acting (cylinders)
- Edition
- HS2022
- Duty in the United States
- See its 2 lines
Summary
HS code 8412.31 covers pneumatic power engines and motors, linear acting (cylinders). It sits in heading 84.12 (other engines and motors) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.12 are classified under 8412.10 (reaction engines other than turbo-jets), 8412.21 (hydraulic power engines and motors, linear acting (cylinders)), 8412.29 (hydraulic power engines and motors, other), 8412.39 (pneumatic power engines and motors, other) or 2 others. National tariff lines under 8412.31 are live on border.bot for the United States (2 lines, also used by 1 other country).
What this code covers
HS code 8412.31 covers pneumatic power engines and motors, linear acting (cylinders).
The legal text of the subheading is “Pneumatic power engines and motors: Linear acting (cylinders)”, read under “Pneumatic power engines and motors”, in HS2022.
What it doesn’t cover
Other goods of heading 84.12 are classified under 8412.10 (reaction engines other than turbo-jets), 8412.21 (hydraulic power engines and motors, linear acting (cylinders)), 8412.29 (hydraulic power engines and motors, other), 8412.39 (pneumatic power engines and motors, other) or 2 others.
How it is structured
8412.31 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8412, are heading 84.12; the last two, 31, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Heading 84.12
- Other engines and motors
- Within the heading
- Pneumatic power engines and motors
- Subheading 8412.31
- Linear acting (cylinders)
In other countries
National tariff lines under 8412.31 are live on border.bot for the United States (2 lines, also used by 1 other country).
- United States2 lines, used by 1 other country
Frequently asked questions
What does HS code 8412.31 cover?
HS code 8412.31 covers pneumatic power engines and motors, linear acting (cylinders).
Which heading and chapter is HS code 8412.31 in?
HS code 8412.31 is in heading 84.12 (other engines and motors) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof).
Where are goods of heading 84.12 classified when 8412.31 doesn’t fit?
Other goods of heading 84.12 are classified under 8412.10 (reaction engines other than turbo-jets), 8412.21 (hydraulic power engines and motors, linear acting (cylinders)), 8412.29 (hydraulic power engines and motors, other), 8412.39 (pneumatic power engines and motors, other) or 2 others.
Which countries’ tariffs list national lines under HS code 8412.31?
National tariff lines under 8412.31 are live on border.bot for the United States (2 lines, 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.