HSN Codes · Chapter 84: Machinery and Mechanical Appliances

HSN Code 84051090

Producer gas or water gas generators, with or without their purifiers, acetylene gas generators and similar water process gas generators, with or without their purifiers — other

Typical GST rate

Varies

Depends on sub-classification

Type

Goods

HSN classification

Code level

8-digit

Tariff item

Reading code 84051090

The first two digits (84) place this code in chapter 84 — Machinery and Mechanical Appliances. Heading 8405 groups the product family, and the remaining digits pin down this specific 8-digit classification. 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.

Parent heading

8405 — Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers

Related codes in heading 8405

  • 84051010 — Producer gas or water gas generators, with or without their purifiers, acetylene gas generators and similar water process gas generators, with or without their purifiers — producer gas or water gas generators
  • 84051020 — Producer gas or water gas generators, with or without their purifiers, acetylene gas generators and similar water process gas generators, with or without their purifiers — acetylene gas generators
  • 84059000 — Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers — parts — parts

Frequently asked questions

The GST rate under 84051090 depends on the specific item and applicable notifications. Check the classification with our HSN code finder and confirm the rate before invoicing.
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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