Viet Nam HS Code

HS Code 840731: Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity not exceeding 50 cm³ in Viet Nam

Q: Is HS code 840731 the same across all countries?

Yes — up to the 6-digit level, HS code 840731 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Viet Nam extends it under AHTN-VN.

Q: What system does Viet Nam use to classify HS code 840731?

Viet Nam classifies products under the Vietnam Tariff Schedule (AHTN-VN; locally Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 840731 in Viet Nam?

The official source is https://www.customs.gov.vn/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 840731 in Viet Nam

Under Viet Nam's Vietnam Tariff Schedule (Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)), HS Code 840731 is the WCO Harmonized System subheading for Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity not exceeding 50 cm³. This is the most detailed internationally standardized level; Viet Nam extends classifications to 8 digits under its national tariff system. 840731 belongs to 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, Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, Heading 8407: Sparkignition reciprocating or rotary internal combustion piston engines.

Explore more 2026 Latest Viet Nam import export trade data and shipment records for HS Code Small Vehicle Engines Under 50cc on TradeInt global trade data platform

Classification Path of HS Code 840731 in Viet Nam

Section XVI

Chapters (84-85) 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

Chapter 84

Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

HS Code 8407

Sparkignition reciprocating or rotary internal combustion piston engines

HS Code 840731

Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity not exceeding 50 cm³

HS Code 84073100

Of a cylinder capacity not exceeding 50 cc Dung tích xi lanh không quá 50 cc

Viet Nam Tariff Classification: Vietnam Tariff Schedule (AHTN-VN)

In Viet Nam, HS 840731 is classified under the Vietnam Tariff Schedule (Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Vietnam Tariff Schedule (AHTN-VN)

Local name Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)

Digits 8

Official source https://www.customs.gov.vn/

You know what 840731 means. Now see 2026 latest real trade activity for Small Vehicle Engines Under 50cc in Viet Nam.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 8407

Top Viet Nam import Product Under HS Code 8407

1 840734: Sparkignition reciprocating or rotary internal combustion piston engines : Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity exceeding 1000 cm³ $265.4M 2 840790: Sparkignition reciprocating or rotary internal combustion piston engines : Other engines $88.7M 3 840732: Sparkignition reciprocating or rotary internal combustion piston engines : Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity exceeding 50 cm³ but not exceeding 250 cm³ $22.7M

Figures shown for 2023.

For more 2026 recent data, search for Viet Nam import trade records

Top Viet Nam export Product Under HS Code 8407

1 840732: Sparkignition reciprocating or rotary internal combustion piston engines : Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity exceeding 50 cm³ but not exceeding 250 cm³ $52.3M 2 840790: Sparkignition reciprocating or rotary internal combustion piston engines : Other engines $23.4M 3 840710: Sparkignition reciprocating or rotary internal combustion piston engines : Aircraft engines $19.5M

Figures shown for 2023.

For more 2026 recent data, search for Viet Nam export trade records

Related HS Code to Viet Nam Small Vehicle Engines Under 50cc (840731)

HS Code 84073100

Of a cylinder capacity not exceeding 50 cc

HS Code 840710

Aircraft engines

HS Code 840721

Marine propulsion engines : Outboard motors

HS Code 840729

Marine propulsion engines : Other

HS Code 840732

Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity exceeding 50 cm³ but not exceeding 250 cm³

HS Code 840733

Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity exceeding 250 cm³ but not exceeding 1000 cm³

HS Code 840734

Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity exceeding 1000 cm³

HS Code 840790

Other engines

HS Code 840110

Nuclear reactors (Euratom)

HS Code 840120

Machinery and apparatus for isotopic separation, and parts thereof (Euratom)

Frequently Asked Questions

What is HS code 840731 in Viet Nam?

HS code 840731 covers Reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87 : Of a cylinder capacity not exceeding 50 cm³ in Viet Nam. It sits in Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), Heading 8407 of the Harmonized System, and is classified under AHTN-VN.

Is HS code 840731 the same across all countries?

What system does Viet Nam use to classify HS code 840731?

Where can I officially look up HS code 840731 in Viet Nam?