Cummins QSB6.7 Marine Diesel Engine from China

The Cummins QSB6.7 is a 6.7-liter compression-ignition inline diesel engine designed specifically for marine propulsion in workboats and pleasure craft. It features turbocharging and aftercooling for high power output up to 480 hp, with direct fuel injection for efficiency. Classified under HTS 8408.10.00 as a marine propulsion engine due to its primary function to propel vessels via inboard installation.

Duty Rate — China → United States

37.5%

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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Import Tips

Obtain EPA Marine CI Label and CARB certification to comply with U.S. emissions standards for commercial vessels

Include detailed technical specs and installation diagrams proving propulsion intent, not auxiliary power use

Verify engine serial numbers match manufacturer certificates to prevent valuation disputes on imports