Rolls-Royce Kamewa FF Waterjet from Japan
The Rolls-Royce Kamewa FF series mixed-flow waterjet delivers high-speed marine propulsion for naval vessels and yachts. It uses hydraulic principles to pressurize and eject water for thrust, precisely matching HTS 8412.29.40.00 for hydrojet engines.
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
• Obtain ITAR/EAR export licenses if dual-use for military; provide hydrodynamic performance curves; avoid misdeclaration as pump by emphasizing integrated propulsion nozzle