MTU 12V4000M63 Diesel Engine from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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