Brazil NCM · 8-digit subitem

NCM 8407.31.10 – Petrol vehicle engines, 1 cyl, max 50 cc

NCM 8407.31.10 (also written 84073110) is Brazil's code for petrol vehicle engines, 1 cyl, max 50 cc. Its first 6 digits are HS code 8407.31.

Official description of NCM 8407.31.10

PortuguêsOfficial
Monocilíndricos
EnglishUnofficial translation

Single-cylinder

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 8407.31.10

84Chapter 07Heading 31Subheading

HS code 8407.31
Same in every country

1Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 84 Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof Reatores nucleares, caldeiras, máquinas, aparelhos e instrumentos mecânicos, e suas partes.
  2. Heading 84.07 Reciprocating or rotary internal combustion piston engines Motores de pistão, alternativo ou rotativo, de ignição por centelha (faísca) (motores de explosão).
  3. Group 8407.3 Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87: Motores de pistão alternativo do tipo utilizado para propulsão de veículos do Capítulo 87:
  4. Subheading 8407.31 Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity not exceeding 50cc De cilindrada não superior a 50 cm³
  5. Subitem 8407.31.10 Single-cylinder Monocilíndricos

Other NCM codes under HS 8407.31

8407.31.90 Other petrol vehicle engines, max 50 ccOutros

Questions about NCM 8407.31.10

What is NCM 8407.31.10?

NCM 8407.31.10 (84073110) is the Brazilian (Mercosur) code for petrol vehicle engines, 1 cyl, max 50 cc. Its official Portuguese description is “Monocilíndricos”.

What is the HS code for NCM 8407.31.10?

HS 8407.31 (Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity not exceeding 50cc). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 8407.31.10?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.