8408.10.00.05/Cummins QSB5.9 Marine Diesel Engine/Japan

Cummins QSB5.9 Marine Diesel Engine from Japan

The Cummins QSB5.9 is a 6.7L inline-4 compression-ignition diesel engine designed specifically for marine propulsion in workboats and fishing vessels, outputting up to 110 kW. It falls under HTS 8408.10.00.05 as a marine propulsion engine with power not exceeding 111.9 kW. Features include common-rail fuel injection and heat exchanger cooling for reliable in-water operation.

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%

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Import Tips

• Verify engine power rating with manufacturer specs to confirm it does not exceed 111.9 kW for this subheading; provide test data if requested by customs

• Include marine propulsion certification and EPA Tier 3 emissions documentation to avoid reclassification or delays

• Declare as 'new' or 'used' accurately; used engines may require additional condition reports to prevent undervaluation penalties