Cummins QSB4.5 Diesel Engine from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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