# United States tariff lines under HS 8407.29

> The United States tariff splits HS 8407.29 (marine propulsion engines: Other) into 4 national lines: 8407.29.00.10 (inboard engines with outboard drive), 8407.29.00.20 (less than 746 W), 8407.29.00.30 (746 W or greater, but not exceeding 18.65 kW) and 8407.29.00.40 (exceeding 18.65 kW). Every United States line under 8407.29 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/840729
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) / [8407.29](https://border.bot/countries/united-states/hs-codes/840729)

## Key facts

- HS subheading: [8407.29](https://border.bot/hs-codes/840729)
- Duty (MFN): Free
- National lines: 4
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8407.29

The United States tariff splits HS 8407.29 (marine propulsion engines: Other) into 4 national lines: 8407.29.00.10 (inboard engines with outboard drive), 8407.29.00.20 (less than 746 W), 8407.29.00.30 (746 W or greater, but not exceeding 18.65 kW) and 8407.29.00.40 (exceeding 18.65 kW).

Every United States line under 8407.29 is free of general (MFN) duty.

- [8407.29.00.10](https://border.bot/countries/united-states/hs-codes/8407290010) Marine propulsion engines, Other, Inboard engines with outboard drive. Duty (MFN): free
- [8407.29.00.20](https://border.bot/countries/united-states/hs-codes/8407290020) Marine propulsion engines, Other, Inboard engines with inboard drive, Less than 746 W. Duty (MFN): free
- [8407.29.00.30](https://border.bot/countries/united-states/hs-codes/8407290030) Marine propulsion engines, Other, Inboard engines with inboard drive, 746 W or greater, but not exceeding 18.65 kW. Duty (MFN): free
- [8407.29.00.40](https://border.bot/countries/united-states/hs-codes/8407290040) Marine propulsion engines, Other, Inboard engines with inboard drive, Exceeding 18.65 kW. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8407.29 yet.

- [The Harmonized System text for 8407.29](https://border.bot/hs-codes/840729)

- Previous subheading: [8407.21](https://border.bot/countries/united-states/hs-codes/840721) Spark-ignition reciprocating or rotary internal combustion piston engines
- Next subheading: [8407.31](https://border.bot/countries/united-states/hs-codes/840731) Spark-ignition reciprocating or rotary internal combustion piston engines

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8407.29?

The United States tariff splits HS 8407.29 (marine propulsion engines: Other) into 4 national lines: 8407.29.00.10 (inboard engines with outboard drive), 8407.29.00.20 (less than 746 W), 8407.29.00.30 (746 W or greater, but not exceeding 18.65 kW) and 8407.29.00.40 (exceeding 18.65 kW).

### What is the duty on HS 8407.29 in the United States?

Every United States line under 8407.29 is free of general (MFN) duty.

## 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/840729.json