Key facts
- HS code
- 8408.90
- Covers
- Other engines
- Heading
- 84.08: Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)
- Edition
- HS2022
- Duty rates
- Set by each country’s tariff
Summary
HS code 8408.90 covers other engines. It sits in heading 84.08 (compression-ignition internal combustion piston engines (diesel or semi-diesel engines)) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.08 are classified under 8408.10 (marine propulsion engines) or 8408.20 (engines of a kind used for the propulsion of vehicles of Chapter 87).
What this code covers
HS code 8408.90 covers other engines.
The legal text of the subheading is “Other engines”, in HS2022.
How it is structured
8408.90 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8408, are heading 84.08; the last two, 90, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Heading 84.08
- Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)
- Subheading 8408.90
- Other engines
In other countries
No national tariff lines under 8408.90 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 8408.90 at six digits and add their own digits after it.
Frequently asked questions
What does HS code 8408.90 cover?
HS code 8408.90 covers other engines.
Which heading and chapter is HS code 8408.90 in?
HS code 8408.90 is in heading 84.08 (compression-ignition internal combustion piston engines (diesel or semi-diesel engines)) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof).
Where are goods of heading 84.08 classified when 8408.90 doesn’t fit?
Other goods of heading 84.08 are classified under 8408.10 (marine propulsion engines) or 8408.20 (engines of a kind used for the propulsion of vehicles of Chapter 87).
Sources and updates
The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.
This page was last updated on 13 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.