MTU 12V4000M63 Diesel Engine from Japan
High-performance marine diesel engine delivering 1020 kW for auxiliary power and propulsion in offshore supply vessels. Falls under HTS 8408.90.90.40 as a compression-ignition piston engine in the specified power band, distinct from vehicle or aircraft 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
• Submit detailed technical datasheets proving power rating and piston engine type during customs entry
• For marine use, prepare IMO Tier compliance docs; common pitfall is classifying as aircraft engine
• Avoid bulk shipments without individual serial numbers to prevent valuation disputes