Marine Engine Cast Iron Bedplate Section from Japan

Heavy cast-iron bedplate segment for marine propulsion engines, machined solely to remove sprues and for assembly jig location. Forms the base frame supporting crankshaft in large ship diesel engines. Under 8409.99.10.60 for its rough state and marine-specific design.

Duty Rate — Japan → 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 engineering drawings showing marine engine fitment to substantiate 'solely/principally' use criterion

Segregate from advanced machined bedplates to maintain eligibility for this preferential tariff treatment

Require non-destructive testing reports confirming no internal machining beyond permitted levels