# United States tariff line 8407.90.90.40: 746 W or greater but less than 4,476 W

> In the United States tariff, line 8407.90.90.40 covers other engines, 746 W or greater but less than 4,476 W. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8407.90 in heading 84.07 (chapter 84).

Source: https://border.bot/countries/united-states/hs-codes/8407909040
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) / [8407.90](https://border.bot/countries/united-states/hs-codes/840790) / [8407.90.90.40](https://border.bot/countries/united-states/hs-codes/8407909040)

## Key facts

- Tariff line: 8407.90.90.40
- Covers: Other engines, 746 W or greater but less than 4,476 W
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [8407.90](https://border.bot/hs-codes/840790)

## What this line covers

In the United States tariff, line 8407.90.90.40 covers other engines, 746 W or greater but less than 4,476 W.

Its legal text is “746 W or greater but less than 4,476 W”, read under “Other engines”, “Other” and “Other”.

## How it is structured

It falls under HS subheading 8407.90 in heading 84.07 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
- Heading 84.07: Spark-ignition reciprocating or rotary internal combustion piston engines
- Subheading 8407.90: Other engines
- Within the subheading: Other
- Within the subheading: Other
- Line 8407.90.90.40: 746 W or greater but less than 4,476 W

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 8407.90.90.

## In other countries

No other national tariff on border.bot has live lines under 8407.90 yet.

- [The Harmonized System text for 8407.90](https://border.bot/hs-codes/840790)

## Other lines under 8407.90

- [8407.90.10.10](https://border.bot/countries/united-states/hs-codes/8407901010) Less than 4,476 W
- [8407.90.10.20](https://border.bot/countries/united-states/hs-codes/8407901020) Other
- [8407.90.10.60](https://border.bot/countries/united-states/hs-codes/8407901060) Air-cooled
- [8407.90.10.80](https://border.bot/countries/united-states/hs-codes/8407901080) Other
- [8407.90.90.10](https://border.bot/countries/united-states/hs-codes/8407909010) Gas (natural or liquid propane (LP)) engines
- [8407.90.90.20](https://border.bot/countries/united-states/hs-codes/8407909020) Less than 746 W
- [8407.90.90.60](https://border.bot/countries/united-states/hs-codes/8407909060) 4,476 W or greater but not exceeding 18.65 kW
- [8407.90.90.80](https://border.bot/countries/united-states/hs-codes/8407909080) Exceeding 18.65 kW

- Previous line: [8407.90.90.20](https://border.bot/countries/united-states/hs-codes/8407909020) Less than 746 W
- Next line: [8407.90.90.60](https://border.bot/countries/united-states/hs-codes/8407909060) 4,476 W or greater but not exceeding 18.65 kW

## Frequently asked questions

### What does tariff line 8407.90.90.40 cover in the United States tariff?

In the United States tariff, line 8407.90.90.40 covers other engines, 746 W or greater but less than 4,476 W.

### What is the general (MFN) duty on 8407.90.90.40 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 8407.90.90.

## 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/8407909040.json