HS Code for Rock Crushers
The HS Code for rock crushers is 847420. The MFN duty rate for importing to the US is 2.5%.
| HS Code (6-digit) | 847420 |
|---|---|
| US Duty Rate (MFN) | 2.5% |
| EU Duty Rate (MFN) | 1.7% |
| Chapter | 84 |
| Heading | 8474 |
| Last Updated | 2026-05 |
Description
Crushing or grinding machines for earth, stone, ores
HS Code 847420 covers rock crushers and grinding machines for minerals, subject to a 2.5% US MFN duty rate.
Frequently Asked Questions
What additional costs should I anticipate when importing rock crushers under HTS 847420, aside from the base import duty?
For rock crushers (HTS 847420), you will likely incur a Merchandise Processing Fee (MPF) and may be subject to a Harbor Maintenance Fee (HMF) if arriving by vessel. Furthermore, if your rock crusher contains an internal combustion engine, it may be separately dutiable and subject to EPA emissions requirements, which can add testing and modification costs.
Are there any specific regulatory compliance requirements for importing a rock crusher under HTS 847420?
Yes, rock crushers are frequently subject to environmental and noise emission regulations. Importers must ensure the machinery complies with U.S. Environmental Protection Agency (EPA) and applicable state standards, and may need to provide documentation such as a manufacturer's certificate of conformity at entry.
What are the key packaging requirements for shipping rock crushers (HTS 847420) via ocean freight to ensure safe transport?
Rock crushers must be securely mounted within a steel-framed, waterproof wooden crate or a purpose-built steel container to prevent movement and protect against corrosion. Heavy components like the crushing chamber and flywheel often require specific blocking and bracing. The substantial weight and size typically necessitate the use of flat racks or open-top containers, and all hydraulic and electrical connections must be clearly disconnected and sealed.
Seasonal Import Trends for Rock Crushers
Imports of rock crushers (HTS 8474.20) typically show a strong seasonal peak in the spring and early summer months (March-July). This pattern aligns with the start of the heavy construction season in North America and Europe, when contractors and mining operations ramp up activity and purchase new equipment. Conversely, import volumes frequently decline in the late fourth quarter (November-December), coinciding with the end of the fiscal year for many businesses and seasonal slowdowns in construction. While weather is a key driver, large project awards and commodity price cycles for aggregates or metals can also create significant monthly variances from this general trend.
Compliance Notes for Rock Crushers (8474.20)
Rock crushers are subject to EPA emissions standards under 40 CFR Part 60, Subpart OOO, for nonmetallic mineral processing plants. Importers must ensure machinery complies with applicable OSHA safety standards (e.g., guarding of moving parts). For crushers containing electric motors or hydraulic systems, separate declarations for components like motors (8501) or pumps (8413) may be required if imported separately. Shipments may be subject to inspection by Customs and Border Protection (CBP) to verify classification and ensure no quarry or mining explosives residue is present.
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