Cummins QSB4.5 Diesel Engine from China
The Cummins QSB4.5 is a 4.5-liter compression-ignition diesel engine delivering up to 130 kW, designed for industrial and marine applications. It falls under HTS 8408.90.90.10 as a diesel piston engine not exceeding 149.2 kW, excluding automotive or aircraft uses. Classified here due to its power output and non-road vehicle application.
Duty Rate — China → United States
35%
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
• Verify engine power rating with manufacturer specs to confirm <149.2 kW classification
• Obtain EPA or CARB certificates for emissions compliance to avoid customs delays
• Include detailed invoices specifying diesel type and end-use to prevent misclassification as automotive parts