MTU 12V4000M63 Diesel Engine
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used in aircraft
Parts of aircraft piston engines classify under Chapter 84 spark-ignition provisions by end-use.
If integrated into industrial machinery as complete unit
Machines with integral engines over certain power may classify by principal function in 8479.
If power exceeds 1,119 kW
Higher power diesel engines fall into sequential statistical suffixes within the same heading.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• 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
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