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HamiltonJet HJX Series Waterjet from Japan

The HamiltonJet HJX Series is a high-performance hydrojet engine designed for marine propulsion in fast ferries and patrol boats. It operates by drawing water through an intake and expelling it at high velocity via a steerable nozzle to generate thrust, fitting squarely under HTS 8412.29.40.00 as a hydrojet engine for marine use.

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 engine specifications match 'hydrojet for marine propulsion' to avoid reclassification; provide detailed technical datasheets and marine certification; watch for anti-dumping duties on certain Asian manufacturers