# United States tariff lines under HS 8407.34

> The United States tariff splits HS 8407.34 (reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87: Of a cylinder capacity exceeding 1,000 cc) into 12 national lines: 8407.34.05.30 (not exceeding 37.3 kW), 8407.34.05.60 (air-cooled), 8407.34.05.90 (other), 8407.34.14.00 (used or rebuilt) and 8 others.

Source: https://border.bot/countries/united-states/hs-codes/840734
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) / [8407.34](https://border.bot/countries/united-states/hs-codes/840734)

## Key facts

- HS subheading: [8407.34](https://border.bot/hs-codes/840734)
- National lines: 12
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8407.34

The United States tariff splits HS 8407.34 (reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87: Of a cylinder capacity exceeding 1,000 cc) into 12 national lines: 8407.34.05.30 (not exceeding 37.3 kW), 8407.34.05.60 (air-cooled), 8407.34.05.90 (other), 8407.34.14.00 (used or rebuilt) and 8 others.

- [8407.34.05.30](https://border.bot/countries/united-states/hs-codes/8407340530) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity not exceeding 2,000 cc, To be installed in tractors suitable for agricultural use, Not exceeding 37.3 kW. Duty (MFN): free
- [8407.34.05.60](https://border.bot/countries/united-states/hs-codes/8407340560) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity not exceeding 2,000 cc, To be installed in tractors suitable for agricultural use, Exceeding 37.3 kW, Air-cooled. Duty (MFN): free
- [8407.34.05.90](https://border.bot/countries/united-states/hs-codes/8407340590) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity not exceeding 2,000 cc, To be installed in tractors suitable for agricultural use, Exceeding 37.3 kW, Other. Duty (MFN): free
- [8407.34.14.00](https://border.bot/countries/united-states/hs-codes/8407341400) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity not exceeding 2,000 cc, To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704, Used or rebuilt. Duty (MFN): 2.5%
- [8407.34.18.00](https://border.bot/countries/united-states/hs-codes/8407341800) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity not exceeding 2,000 cc, To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704, Other. Duty (MFN): 2.5%
- [8407.34.25.00](https://border.bot/countries/united-states/hs-codes/8407342500) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity not exceeding 2,000 cc, Other. Duty (MFN): free
- [8407.34.35.30](https://border.bot/countries/united-states/hs-codes/8407343530) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity exceeding 2,000 cc, To be installed in tractors suitable for agricultural use, Not exceeding 37.3 kW. Duty (MFN): free
- [8407.34.35.60](https://border.bot/countries/united-states/hs-codes/8407343560) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity exceeding 2,000 cc, To be installed in tractors suitable for agricultural use, Exceeding 37.3 kW, Air-cooled. Duty (MFN): free
- [8407.34.35.90](https://border.bot/countries/united-states/hs-codes/8407343590) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity exceeding 2,000 cc, To be installed in tractors suitable for agricultural use, Exceeding 37.3 kW, Other. Duty (MFN): free
- [8407.34.44.00](https://border.bot/countries/united-states/hs-codes/8407344400) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity exceeding 2,000 cc, To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704, Used or rebuilt. Duty (MFN): 2.5%
- [8407.34.48.00](https://border.bot/countries/united-states/hs-codes/8407344800) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity exceeding 2,000 cc, To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704, Other. Duty (MFN): 2.5%
- [8407.34.55.00](https://border.bot/countries/united-states/hs-codes/8407345500) Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, Of a cylinder capacity exceeding 1,000 cc, Of a cylinder capacity exceeding 2,000 cc, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8407.34 yet.

- [The Harmonized System text for 8407.34](https://border.bot/hs-codes/840734)

- Previous subheading: [8407.33](https://border.bot/countries/united-states/hs-codes/840733) Of a cylinder capacity exceeding 250 cc but not exceeding 1,000 cc
- Next subheading: [8407.90](https://border.bot/countries/united-states/hs-codes/840790) Other engines

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8407.34?

The United States tariff splits HS 8407.34 (reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87: Of a cylinder capacity exceeding 1,000 cc) into 12 national lines: 8407.34.05.30 (not exceeding 37.3 kW), 8407.34.05.60 (air-cooled), 8407.34.05.90 (other), 8407.34.14.00 (used or rebuilt) and 8 others.

## 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/840734.json