Product classification
HS code for Rock cutter: 8430.39
Coal or rock cutters and tunnelling machinery, not self-propelled.
Classification of rock cutter under HS 8430.39
Rock cutters are classified under HS code 8430.39. This code is situated within Chapter 84, which covers nuclear reactors, boilers, machinery, and mechanical appliances. Heading 8430 is specifically designated for other moving, grading, leveling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals or ores. The subheading 8430.39 is reserved for coal or rock cutters and tunneling machinery that are not self-propelled. The classification depends on the mechanical nature of the equipment and its lack of an integrated propulsion system for transport. These machines are typically used in mining, quarrying, and civil engineering projects to break through hard rock or coal seams. Because they are not self-propelled, they must be moved by external means or are designed to operate from a fixed or semi-fixed position during the cutting process. The HS system distinguishes these from self-propelled units because the engineering complexity and transport logistics differ significantly, impacting their valuation and trade regulations.
- Covers
- Non-self-propelled coal cutters for underground mining
- Manual or towed tunneling shields for civil engineering
- Hydraulic rock splitters integrated into stationary frames
- Pneumatic rock cutting machines without integrated drive motors
- Towed rock trenching equipment for utility installation
- Fixed-position rock sawing machinery for quarries
- Also under 8430.39
- Darda C 12 (rock splitter)
- Epiroc HB 10000 (mounted breaker)
- Montabert V32 (mounted breaker)
- Rammer 5011 (mounted breaker)
- Atlas Copco COP 1838 (rock drill, often part of a rig)
Codes often confused with 8430.39
Common mistake. A common misclassification is HS code 8430.31, which is specifically for self-propelled coal or rock cutters. If the machinery has its own wheels or tracks and an engine for movement, it must be classified under 8430.31. Another frequent error is using 8207.19, which covers the interchangeable drill bits or cutting heads themselves rather than the entire machine. Furthermore, heavy-duty excavators with cutting attachments might be confused with 8429.52 if the primary function is excavation rather than specialized rock cutting, though the specific nature of the cutting tool usually dictates the 8430 heading.
Top exporters and importers of HS 843039 (the code used for rock cutter), 2025
In 2025, the largest exporter of HS 843039 (the code used for rock cutter) in UN Comtrade data was Germany, with 55% of world exports; the largest importer in UN Comtrade data was Canada, with 17% 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 843039, not only rock cutter.
Top exporters 2025 · share of world exports
- 1 Germany $327M 55% of world exports
- 2 Sweden $46M 7.8% of world exports
- 3 China $41M 7.0% of world exports
World total: $590M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Canada $104M 17% of world imports
- 2 Saudi Arabia $85M 14% of world imports
- 3 United States $80M 13% of world imports
World total: $624M 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 codes for rock cutter
Brazil splits HS 8430.39 into 2 NCM codes. Pick the one that matches your product:
- 8430.39.10Non-self-propelled coal or rock cutters
- 8430.39.90Non-self-propelled tunnelling machinery
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about rock cutter
What is the HS code for Rock cutter?
The HS code for Rock cutter is 843039 (Coal or rock cutters and tunnelling machinery; not self-propelled). The HS code for a non-self-propelled rock cutter is 8430.39, while self-propelled versions fall under 8430.31.
How do I classify Rock cutter for customs?
Rock cutter is classified under HS code 843039 — Coal or rock cutters and tunnelling machinery; not self-propelled. This is a 6-digit subheading level code.
What defines a machine as not self-propelled?
A machine is considered not self-propelled if it lacks an internal motor and transmission system designed to move the entire unit from one location to another without external assistance.
Which countries are the top exporters of rock cutter (HS 843039)?
In 2025, the top exporters of HS 843039 (the code used for rock cutter) in UN Comtrade data were Germany ($327M, 55% of world exports), Sweden ($46M) and China ($41M). World exports came to about $590M, 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 rock cutter (HS 843039)?
In 2025, the top importers of HS 843039 (the code used for rock cutter) in UN Comtrade data were Canada ($104M, 17% of world imports), Saudi Arabia ($85M) and the United States ($80M). World imports came to about $624M, 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 Rock cutter the same in all countries?
The base HS code 843039 for Rock cutter 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 rock cutter in Brazil?
Brazil splits HS 843039 into 2 NCM codes, so the right one for rock cutter depends on the product's details: 8430.39.10 (Non-self-propelled coal or rock cutters), 8430.39.90 (Non-self-propelled tunnelling machinery).