# United States tariff lines under HS 8408.10

> The United States tariff splits HS 8408.10 (marine propulsion engines) into 6 national lines: 8408.10.00.05 (not exceeding 111.9 kW), 8408.10.00.15 (exceeding 111.9 kW but not exceeding 149.2 kW), 8408.10.00.20 (exceeding 149.2 kW but not exceeding 223.8 kW), 8408.10.00.30 (exceeding 223.8 kW but not exceeding 373 kW) and 2 others. The general (MFN) duty is 2.5% on all 6 lines.

Source: https://border.bot/countries/united-states/hs-codes/840810
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) / [8408.10](https://border.bot/countries/united-states/hs-codes/840810)

## Key facts

- HS subheading: [8408.10](https://border.bot/hs-codes/840810)
- Duty (MFN): 2.5%
- National lines: 6
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8408.10

The United States tariff splits HS 8408.10 (marine propulsion engines) into 6 national lines: 8408.10.00.05 (not exceeding 111.9 kW), 8408.10.00.15 (exceeding 111.9 kW but not exceeding 149.2 kW), 8408.10.00.20 (exceeding 149.2 kW but not exceeding 223.8 kW), 8408.10.00.30 (exceeding 223.8 kW but not exceeding 373 kW) and 2 others.

The general (MFN) duty is 2.5% on all 6 lines.

- [8408.10.00.05](https://border.bot/countries/united-states/hs-codes/8408100005) Marine propulsion engines, Not exceeding 111.9 kW. Duty (MFN): 2.5%
- [8408.10.00.15](https://border.bot/countries/united-states/hs-codes/8408100015) Marine propulsion engines, Exceeding 111.9 kW but not exceeding 149.2 kW. Duty (MFN): 2.5%
- [8408.10.00.20](https://border.bot/countries/united-states/hs-codes/8408100020) Marine propulsion engines, Exceeding 149.2 kW but not exceeding 223.8 kW. Duty (MFN): 2.5%
- [8408.10.00.30](https://border.bot/countries/united-states/hs-codes/8408100030) Marine propulsion engines, Exceeding 223.8 kW but not exceeding 373 kW. Duty (MFN): 2.5%
- [8408.10.00.40](https://border.bot/countries/united-states/hs-codes/8408100040) Marine propulsion engines, Exceeding 373 kW but not exceeding 746 kW. Duty (MFN): 2.5%
- [8408.10.00.50](https://border.bot/countries/united-states/hs-codes/8408100050) Marine propulsion engines, Exceeding 746 kW. Duty (MFN): 2.5%

## In other countries

No other national tariff on border.bot has live lines under 8408.10 yet.

- [The Harmonized System text for 8408.10](https://border.bot/hs-codes/840810)

- Previous subheading: [8407.90](https://border.bot/countries/united-states/hs-codes/840790) Other engines
- Next subheading: [8408.20](https://border.bot/countries/united-states/hs-codes/840820) Engines of a kind used for the propulsion of vehicles of chapter 87

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8408.10?

The United States tariff splits HS 8408.10 (marine propulsion engines) into 6 national lines: 8408.10.00.05 (not exceeding 111.9 kW), 8408.10.00.15 (exceeding 111.9 kW but not exceeding 149.2 kW), 8408.10.00.20 (exceeding 149.2 kW but not exceeding 223.8 kW), 8408.10.00.30 (exceeding 223.8 kW but not exceeding 373 kW) and 2 others.

### What is the duty on HS 8408.10 in the United States?

The general (MFN) duty is 2.5% on all 6 lines.

## 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/840810.json