Q3Codes under 8406
| Code | Description | GST rate |
|---|---|---|
| 8406 10 | Turbines for marine propulsion | 18% |
| 8406 81 | An output exceeding 40 mW — steam turbines and other vapour turbines | 18% |
| 8406 82 | An output not exceeding 40 mW — steam turbines and other vapour turbines | 18% |
| 8406 90 | Parts | 18% |
← Chapter 84: Machinery, engines and mechanical appliances
Related HSN codes
8407Spark-ignition reciprocating or rotary internal combustion8405Producer gas or water gas generators, with or without their8408Compression-ignition internal combustion piston engines8404Auxiliary plant for use with boilers of heading 84028409Parts of engines (headings 8407, 8408)8403Central heating boilers other than thoseof heading 8402
Frequently Asked Questions
What is the HSN code for steam turbines and other vapour turbines?
The HSN code for steam turbines and other vapour turbines is 8406, under Chapter 84 (Machinery, engines and mechanical appliances).
What is the GST rate on steam turbines and other vapour turbines?
Steam turbines and other vapour turbines is taxed at 18% GST under HSN code 8406.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.