# United States tariff lines under HS 8412.29

> The United States tariff splits HS 8412.29 (hydraulic power engines and motors: Other) into 6 national lines: 8412.29.40.00 (hydrojet engines for marine propulsion), 8412.29.80.15 (gear type), 8412.29.80.30 (radial piston type), 8412.29.80.45 (axial piston type) and 2 others. Every United States line under 8412.29 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/841229
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) / [8412.29](https://border.bot/countries/united-states/hs-codes/841229)

## Key facts

- HS subheading: [8412.29](https://border.bot/hs-codes/841229)
- Duty (MFN): Free
- 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 8412.29

The United States tariff splits HS 8412.29 (hydraulic power engines and motors: Other) into 6 national lines: 8412.29.40.00 (hydrojet engines for marine propulsion), 8412.29.80.15 (gear type), 8412.29.80.30 (radial piston type), 8412.29.80.45 (axial piston type) and 2 others.

Every United States line under 8412.29 is free of general (MFN) duty.

- [8412.29.40.00](https://border.bot/countries/united-states/hs-codes/8412294000) Hydraulic power engines and motors, Other, Hydrojet engines for marine propulsion. Duty (MFN): free
- [8412.29.80.15](https://border.bot/countries/united-states/hs-codes/8412298015) Hydraulic power engines and motors, Other, Other, Unlimited rotary acting, Gear type. Duty (MFN): free
- [8412.29.80.30](https://border.bot/countries/united-states/hs-codes/8412298030) Hydraulic power engines and motors, Other, Other, Unlimited rotary acting, Radial piston type. Duty (MFN): free
- [8412.29.80.45](https://border.bot/countries/united-states/hs-codes/8412298045) Hydraulic power engines and motors, Other, Other, Unlimited rotary acting, Axial piston type. Duty (MFN): free
- [8412.29.80.60](https://border.bot/countries/united-states/hs-codes/8412298060) Hydraulic power engines and motors, Other, Other, Unlimited rotary acting, Other. Duty (MFN): free
- [8412.29.80.75](https://border.bot/countries/united-states/hs-codes/8412298075) Hydraulic power engines and motors, Other, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8412.29 yet.

- [The Harmonized System text for 8412.29](https://border.bot/hs-codes/841229)

- Previous subheading: [8412.21](https://border.bot/countries/united-states/hs-codes/841221) Other engines and motors, and parts thereof
- Next subheading: [8412.31](https://border.bot/countries/united-states/hs-codes/841231) Other engines and motors, and parts thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8412.29?

The United States tariff splits HS 8412.29 (hydraulic power engines and motors: Other) into 6 national lines: 8412.29.40.00 (hydrojet engines for marine propulsion), 8412.29.80.15 (gear type), 8412.29.80.30 (radial piston type), 8412.29.80.45 (axial piston type) and 2 others.

### What is the duty on HS 8412.29 in the United States?

Every United States line under 8412.29 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/841229.json