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Roadheader Tunneling Machine from Japan

A continuous mining machine used in underground tunneling operations to cut through rock and coal seams, loading the material onto conveyors. Classified under HTS 8430.39.00 as other coal or rock cutting and tunneling machinery for earth, minerals, or ores.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Verify machine specifications confirm use for rock/coal cutting to avoid reclassification to general excavators

Include detailed technical manuals and end-use certificates for customs valuation

Watch for anti-dumping duties on certain tunneling equipment from specific countries