Caterpillar 3512C Marine Diesel Engine

The Caterpillar 3512C is a V12 compression-ignition marine propulsion engine rated at 500 kW, designed for commercial vessels like ferries and supply ships. It falls under HTS 8408.10.0040 as a diesel engine exceeding 373 kW but not exceeding 746 kW, specifically for marine propulsion applications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+35.0%37.5%
🇲🇽Mexico2.5%+10.0%12.5%
🇨🇦Canada2.5%+10.0%12.5%
🇩🇪Germany2.5%+10.0%12.5%
🇯🇵Japan2.5%+10.0%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8408.20Lower: 12.5% vs 37.5%

If designed for industrial or land-based use

Engines not specifically for marine propulsion classify under diesel engines for other uses, shifting from marine subheading.

8479.89Lower: 12.5% vs 37.5%

If imported as part of a complete marine propulsion system or vessel machinery set

Machines with integral engines for specific functions like propulsion units may classify as complete machinery rather than separate engines.

8409.91Lower: 12.5% vs 37.5%

If supplied as replacement parts rather than complete engine

Engine parts and components for diesel engines fall under Chapter 84 heading 8409, not complete engines.

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Import Tips & Compliance

Obtain marine engine certification from manufacturer confirming power output and propulsion use; ensure compliance with IMO Tier II/III emissions standards; verify EPA labels for US import to avoid customs holds