HSN Codes · Chapter 84: Machinery and Mechanical Appliances

HSN Code 8421

Centrifuges; filtering or purifying machinery for liquids or gases

Typical GST rate

18%

9% CGST + 9% SGST intra-state

Type

Goods

HSN classification

Code level

4-digit

Heading

Reading code 8421

The first two digits (84) place this code in chapter 84 — Machinery and Mechanical Appliances. As a 4-digit heading it groups a whole product family; 6 and 8-digit codes underneath it get more specific. Remember: you can never invent a shorter code by truncating a longer one — only codes that exist in the official tariff are valid.

The biggest goods chapter: engines, pumps, compressors, ACs, refrigerators, computers and laptops (8471), and industrial machinery of every kind.

More specific codes under 8421

  • 842111 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — cream separators
  • 84211100 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — cream separators — cream separators
  • 842112 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — clothes-dryers
  • 84211200 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — clothes-dryers — clothes-dryers
  • 842119 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — other
  • 84211910 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — other — bowl centrifuges
  • 84211920 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — other — basket centrifuges
  • 84211930 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — other — continuous automatic centrifuges
  • 84211940 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — other — self cleaning centrifuges
  • 84211950 — Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases — other — decanter centrifuges horizontal bowl

Frequently asked questions

Goods and services under 8421 typically attract 18% GST. Rates can vary by sub-classification and notifications, so confirm the applicable rate for your specific item.
Businesses with annual aggregate turnover of ₹5 crore or more must report at least 6 digits on e-invoices and e-way bills; below ₹5 crore, 4 digits is the B2B minimum. Exports require 8 digits.
Every line item on a GST tax invoice carries its HSN code alongside the description, quantity, taxable value, and tax breakup. The code also flows into your GSTR-1 HSN summary and e-way bills.

Related tools & guides

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