Code 8407 31 · Heading 8407

Spark-ignition reciprocating-piston engines for propelling Chapter 87 vehicles, with cylinder capacity <= 50 cm³

This code covers spark-ignition engines with reciprocating pistons that are intended to propel vehicles in Chapter 87. The cylinder capacity must be <= 50 cm³.

See the official tariff text

Official tariff text

Spark-ignition reciprocating piston engine, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity <= 50 cm³

How we got to this code

XVI
84
8407
8407 31

Show the steps

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section XVI Machinery and mechanical appliances; electrical equ…
Is the product a machine, apparatus or mechanical tool, or is it electrical equipment, a sound recorder or player, or a television image and sound recorder or player?
✓
Step 2 · Chapter 84 Nuclear reactors, boilers, machinery and mechanical… 1 of 2 chapters in section XVI
What is the machine, appliance or part specifically designed to do?
✓
Step 3 · Heading 8407 Spark-ignition reciprocating or rotary internal com… 7 of 86 headings under chapter 84
Is the engine for an aircraft, for propulsion of a ship or boat, for propulsion of a vehicle in Chapter 87, or another use—and, if it is for a Chapter 87 vehicle, what is its engine capacity?
✓
Step 4 · Subheading 8407 31 Spark-ignition reciprocating piston engine, of a ki… 4 of 8 subheadings under heading 8407
Is it an aircraft engine, a ship or boat engine, a reciprocating-piston engine for propelling a Chapter 87 vehicle, or another spark-ignition engine—and, if it is for a Chapter 87 vehicle, is the cylinder capacity <= 50 cm³, > 50 cm³ but <= 250 cm³, > 250 cm³ but <= 1,000 cm³, or > 1,000 cm³?

Pick the 8-digit code

Import duty on the codes below: 2.7%

Only one code below

8407 31 00

Spark-ignition reciprocating piston engine, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity <= 50 cm³

2.7%

This subheading has one 8-digit code, so that is the code to use.

Open 8407 31 00 Save

Compare the sibling codes

See all 8 codes at this level

Classification decides the rate here: from 1.7% to 4.2%.

8407 10 Spark-ignition reciprocating or rotary internal combustion piston engine, for aircraft 1.7%
8407 21 Spark-ignition outboard motors for marine propulsion 4.2–6.2%
8407 29 Spark-ignition reciprocating or rotary engines, for marine propulsion (excl. outboard motors) 4.2%
8407 31 Spark-ignition reciprocating piston engine, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity <= 50 cm³ you are here 2.7%
8407 32 Spark-ignition reciprocating piston engine, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity > 50 cm³ but <= 250 cm³ 2.7%
8407 33 Spark-ignition reciprocating piston engine, of a kind used for vehicles of chapter 87, of a cylinder capacity > 250 cm³ but <= 1.000 cm³ 2.7%
8407 34 Spark-ignition reciprocating piston engine, of a kind used for vehicles of chapter 87, of a cylinder capacity > 1.000 cm³ 4.2%
8407 90 Spark-ignition reciprocating or rotary internal combustion piston engine (excl. those for aircraft or marine propulsion and reciprocating piston engine of a kind used for vehicles of chapter 87) 2.7–4.2%

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

Their lines1 Norwegian line

84.07.3100 Of a cylinder capacity not exceeding 50 cc

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

2.0%

Their lines1 British line
EU originDuty free

8407 31 00 00 Of a cylinder capacity not exceeding 50 cm³

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

15.0%

Estimated from published US measures

Their lines2 US lines
Entry dateSept. 17, 2026

8407.31.00.40 Spark-ignition reciprocating or rotary internal combustion piston engines, Reciprocating

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

84.07.3100

Of a cylinder capacity not exceeding 50 cc

Ordinary duty

Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 1 British line

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

8407 31 00 00

Of a cylinder capacity not exceeding 50 cm³

Ordinary duty

2.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

See the 2 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

8407.31.00.40

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 cc, Less than 746 W

General rate

Free

From the EU

15.0% Estimated from published US measures US headings applied: 9903.94.53 Section 232 passenger vehicles and light trucks, Proclamation 10908 as applied to the European Union by the notice at 90 FR 46136 of 25 September 2025 (retroactive to 1 August 2025), headings 9903.94.52 and 9903.94.53 of subchapter III of chapter 99 with U.S. note 33(o) with the line list of subdivision (g): 15% all-in on parts of passenger vehicles and light trucks of the European Union
8407.31.00.80

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 cc, Other

General rate

Free

From the EU

15.0% Estimated from published US measures US headings applied: 9903.94.53 Section 232 passenger vehicles and light trucks, Proclamation 10908 as applied to the European Union by the notice at 90 FR 46136 of 25 September 2025 (retroactive to 1 August 2025), headings 9903.94.52 and 9903.94.53 of subchapter III of chapter 99 with U.S. note 33(o) with the line list of subdivision (g): 15% all-in on parts of passenger vehicles and light trucks of the European Union

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.