What is the GST (IGST) rate for HSN code 84081091?

HSN code 84081091 (Diesel Engine) attracts 18% IGST under Schedule II of the GST notification.

What is the customs duty (BCD) for HSN code 84081091?

The Basic Customs Duty (BCD) for HSN code 84081091 is 15%. On import, the landed duty also adds Social Welfare Surcharge (on BCD) and IGST (on the duty-inclusive value).

What is the unit of measurement for HSN code 84081091?

The standard unit of quantity (UQC) for HSN code 84081091 is u, as listed in the Customs Tariff.

What is the HSN code for a diesel engine?

Marine outboard diesel engines are classified under 84081010, and small-capacity diesel engines (≤100 cc class) under 84081091, within heading 8408.

HSN Code Finder · Product

Diesel Engine HSN Code 8408

Q: What does HSN code 84081091 cover?

HSN code 84081091 covers Diesel Engine. It sits under Chapter 84 – Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, in Section XVI – MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THEREOF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORDERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES.

Q: What is the HSN code for Diesel Engine?

The HSN code for Diesel Engine is 84081091, classified under Chapter 84 – Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof of India's Customs Tariff (ITC-HS).

18% IGSTSchedule II

Compression-ignition internal combustion (diesel) engines are classified under HSN heading 8408. Outboard and other marine/industrial engines each have their own tariff item.

Search any HSN code

Heading

8408

Primary code

84081091

GST / IGST

18%

Customs duty (BCD)

15%

Diesel Engine HSN codes & GST rates

The 8-digit HSN/HS codes under heading 8408 (compression-ignition internal combustion piston engines (diesel or semi-diesel engines)). Click any code for the full duty stack, IGST schedule and FTA preferential rates.

HSN code	Description	IGST	BCD
84081010	Outboard engines	18%	15%
84081091	- Of a cylinder capacity not exceeding 100 cc	18%	15%

FTA preferential rates: 9 partner agreement(s) listed for 84081091; best preferential rate 0% via ASEAN countries; 7 partner(s) at 0%. See full FTA breakdown →

What is the HSN code for diesel engine?

The HSN code for diesel engine is 8408 at the 4-digit heading level. For GST invoicing and customs filing you generally need the full 8-digit tariff item — for diesel engine the most common is 84081091, which attracts 18% IGST.

HSN (Harmonized System of Nomenclature) codes are India's standardised product-classification system used for both GST and customs. The first 2 digits are the chapter, 4 digits the heading, 6 digits the international subheading and 8 digits the India-specific tariff item. Always confirm the exact 8-digit code for your specific variant, and verify the rate against the latest CBIC/DGFT notification before filing.

How diesel engine is classified under HSN

The HSN classification for diesel engine narrows down level by level — from the broad section to the specific 8-digit tariff item used on your invoice and Bill of Entry.

Chapter 842-digitNuclear reactors, boilers, machinery and mechanical appliances; parts thereof
84084-digit headingCOMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINES (DIESEL OR SEMI-DIESEL ENGINES)
8408106-digit subheadingMarine propulsion engines:
840810918-digit tariff item- Of a cylinder capacity not exceeding 100 cc

Section XVI — MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THEREOF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORDERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES

GST on diesel engine

Diesel Engine (HSN 8408) attracts 18% GST under GST Schedule II. On a sale within the same state this is charged as 9% CGST + 9% SGST; on an inter-state sale or an import it is charged as a single 18% IGST. This is the rate recorded for the primary code 84081091 — other variants in the table above can carry different rates, so match your exact product and verify against the latest CBIC GST rate notification.

Customs duty on imported diesel engine

When diesel engine (HSN 84081091) is imported into India, the duty stack is approximately: Basic Customs Duty (BCD) 15%, AIDC 15%, Social Welfare Surcharge on the aggregate of customs duties, plus IGST 18% on the assessable value plus duties.

Indicative total duty on ₹100 of assessable value: ₹40.3905. This is an estimate — the actual amount depends on valuation, exemptions and the notifications in force on the date of import.

See the full duty breakdown for 84081091 →

Conclusion

The HSN code for diesel engine is 8408 at the heading level, with 84081091 the most commonly used 8-digit tariff item (18% GST). Always pick the 8-digit code that matches your exact product variant from the table above, and confirm the GST rate and customs duty against the latest CBIC/DGFT notifications before invoicing or filing a Bill of Entry.