Brazil NCM · 8-digit code

NCM 8405.10.00 – Gas generators (producer, water, acetylene gas)

NCM 8405.10.00 (also written 84051000) is Brazil's code for gas generators (producer, water, acetylene gas). Its first 6 digits are HS code 8405.10.

Official description of NCM 8405.10.00

PortuguêsOfficial
Geradores de gás de ar (gás pobre) ou de gás de água, mesmo com depuradores; geradores de acetileno e geradores semelhantes de gás, operados a água, mesmo com depuradores
EnglishUnofficial translation

Generators; producer gas, water gas, acetylene gas and similar water process gas generators, with or without their purifiers

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

How to read NCM 8405.10.00

84Chapter 05Heading 10Subheading

HS code 8405.10
Same in every country

0Item 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. The last two digits are 00 because Brazil does not split this HS code further. 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 84.05 Generators for producer or water gas with or without their purifiers acetylene gas generators and similar water process gas generators, with or without their purifiers Geradores de gás de ar (gás pobre) ou de gás de água, mesmo com depuradores; geradores de acetileno e geradores semelhantes de gás, operados a água, mesmo com depuradores.
  3. Subheading 8405.10 Generators; producer gas, water gas, acetylene gas and similar water process gas generators, with or without their purifiers
  4. Subitem 8405.10.00 Generators; producer gas, water gas, acetylene gas and similar water process gas generators, with or without their purifiers Geradores de gás de ar (gás pobre) ou de gás de água, mesmo com depuradores; geradores de acetileno e geradores semelhantes de gás, operados a água, mesmo com depuradores

Questions about NCM 8405.10.00

What is NCM 8405.10.00?

NCM 8405.10.00 (84051000) is the Brazilian (Mercosur) code for gas generators (producer, water, acetylene gas). Its official Portuguese description is “Geradores de gás de ar (gás pobre) ou de gás de água, mesmo com depuradores; geradores de acetileno e geradores semelhantes de gás, operados a água, mesmo com depuradores”.

What is the HS code for NCM 8405.10.00?

HS 8405.10 (Generators; producer gas, water gas, acetylene gas and similar water process gas generators, with or without their purifiers). 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 8405.10.00?

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.