Product classification
HS code for Hopper cars: 8606.30
Railway or tramway goods vans and wagons, self-discharging, not self-propelled, excluding those of item no. 8606.10.
Classification of hopper cars under HS 8606.30
Hopper cars are classified under HS code 8606.30 because they are non-self-propelled railway goods wagons specifically designed for the transport of bulk materials in a way that facilitates automatic unloading. The primary characteristic defining this classification is the "self-discharging" feature, which distinguishes these wagons from standard flat or box cars. These vehicles typically feature a hopper-shaped body with one or more discharge openings at the bottom or sides, allowing the cargo—such as coal, ore, grain, or gravel—to be released by gravity or with the assistance of compressed air. Under the General Rules for the Interpretation (GRI) of the Harmonized System, the specific function of self-discharging takes precedence over general-purpose freight wagons. This code is reserved for equipment used on standard or narrow-gauge railway networks and does not include vehicles designed for road use or those equipped with their own propulsion motors.
- Covers
- Open-top hopper cars for coal and minerals
- Covered hopper cars for grain and cement
- Side-discharge railway wagons
- Bottom-dump hopper cars
- Pneumatic discharge railway wagons
- Also under 8606.30
- Wabtec self-discharging wagons
- CRRC hopper wagons
- Greenbrier auto-rack wagons
- FreightCar America rapid discharge hoppers
- Tatravagónka self-discharging wagons
Codes often confused with 8606.30
Common mistake. Hopper cars are frequently confused with tank wagons classified under HS code 8606.10. While both carry bulk goods, 8606.10 is strictly for liquids and gases. Another common error is using 8606.91, which covers closed or covered wagons; however, if the wagon has a self-discharging mechanism, 8606.30 must be used regardless of whether it is covered. Additionally, self-propelled hopper cars used for maintenance are classified under 8604.00.
Top exporters and importers of HS 860630 (the code used for hopper cars), 2025
In 2025, the largest exporter of HS 860630 (the code used for hopper cars) in UN Comtrade data was Mexico, with 49% of world exports; the largest importer in UN Comtrade data was Australia, with 28% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 860630, not only hopper cars.
Top exporters 2025 · share of world exports
- 1 Mexico $449M 49% of world exports
- 2 China $153M 17% of world exports
- 3 Romania $81M 8.7% of world exports
World total: $925M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Australia $92M 28% of world imports
- 2 Canada $47M 14% of world imports
- 3 Mexico $32M 9.9% of world imports
World total: $326M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for hopper cars
Brazil classifies hopper cars under NCM 8606.30.00: HS 8606.30 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about hopper cars
What is the HS code for Hopper cars?
The HS code for Hopper cars is 860630 (Railway or tramway goods vans and wagons; self-discharging, not self-propelled, excluding those of item no. 8606.10). The HS code for hopper cars that are not self-propelled and are designed for self-discharging is 8606.30.
How do I classify Hopper cars for customs?
Hopper cars is classified under HS code 860630 — Railway or tramway goods vans and wagons; self-discharging, not self-propelled, excluding those of item no. 8606.10. This is a 6-digit subheading level code.
What is the difference between 8606.30 and 8606.91?
HS code 8606.30 is specific to wagons with self-discharging mechanisms (gravity or air), whereas 8606.91 covers standard covered wagons that require manual or external mechanical unloading.
Which countries are the top exporters of hopper cars (HS 860630)?
In 2025, the top exporters of HS 860630 (the code used for hopper cars) in UN Comtrade data were Mexico ($449M, 49% of world exports), China ($153M) and Romania ($81M). World exports came to about $925M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of hopper cars (HS 860630)?
In 2025, the top importers of HS 860630 (the code used for hopper cars) in UN Comtrade data were Australia ($92M, 28% of world imports), Canada ($47M) and Mexico ($32M). World imports came to about $326M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Hopper cars the same in all countries?
The base HS code 860630 for Hopper cars is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for hopper cars in Brazil?
In Brazil, hopper cars (HS 860630) is classified under NCM 8606.30.00.