# 840731 — Spark-ignition reciprocating or rotary internal combustion piston engines: Of a cylinder capacity not exceeding 50 cm³

HS code 840731 classifies Spark-ignition reciprocating or rotary internal combustion piston engines: Of a cylinder capacity not exceeding 50 cm³. It belongs to Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof) of Section XVI (Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles) of the Harmonized System. Duty rates are recorded for 1 country.

> Section XVI · Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
> Chapter 84 · Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

**HS code:** `840731`

## Description

Spark-ignition reciprocating or rotary internal combustion piston engines : Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity not exceeding 50 cm³

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 0% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/84/840731
Last updated: 2026-06-03
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