Dexpan Expansive Rock Splitter Machine
This machine automates the injection and control of non-explosive expansive agents into rock for controlled fracturing in sensitive areas. It falls under tariff item 8430.39.00 as innovative rock-breaking machinery for quarrying, as it performs a function similar to rock cutters or tunnelling machinery.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the machine is used for non-mining applications
Machines for individual functions not specified elsewhere may be classified in heading 84.79.
If the machine is self-propelled
Self-propelled earth-moving machinery falls under this subheading.
If the machine is primarily a lifting or handling device
Other lifting, handling, loading or unloading machinery is classified in heading 84.28.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document that the machine is designed for rock breaking in extraction, not for general construction
• If the machine is a complete system with pumps and controls, ensure all components are classified together
• Check if the expansive agents themselves require separate import permits
Related Products under Tariff item 8430.39.00
Auger Mining Machine for Coal
A horizontal auger boring system for highwall coal recovery from surface exposures. It is classified under tariff item 8430.39.00 as other coal boring extraction machinery, as it extends multiple auger flights into coal seams for mineral extraction.
Boom-Mounted Rock Splitter
A boom-mounted rock splitter uses hydraulic wedges inserted into pre-drilled holes to split rock precisely in quarries. It is classified under tariff item 8430.39.00 as other rock cutting or tunnelling machinery for earth, minerals or ores, as it performs a rock-breaking function in extraction contexts.
Boom-Type Roadheader
A boom-type roadheader is a hydraulically operated continuous mining machine equipped with a rotating boom and cutter head, used for heading development in coal and rock tunnels. It falls under tariff item 8430.39.00 as other coal or rock cutting and tunnelling machinery, since it is not specifically classified elsewhere in the subheading.
Boom-Type Roadheader for Ore Tunnels
A boom-mounted cutting machine for driving ore access tunnels in hard rock formations. It is classified under tariff item 8430.39.00 as other tunneling machinery for minerals, and includes loading rams and water suppression systems.
Coal Auger Miner
A coal auger miner is a machine that uses a helical auger to extract coal from pillars or highwall seams, operating by boring into the coal and conveying it out. It is classified under tariff item 8430.39.00 as other coal cutting and boring machinery, as it is not a self-propelled unit and fits the residual category.
Coal Plough
A coal plough is a scraping device used in thin coal seams to cut coal from the face and push it onto a conveyor, operating along the coal face. It falls under tariff item 8430.39.00 as other coal cutting machinery, since it is a specialized cutter not covered by more specific headings.