Cummins QSB4.5 Diesel Engine from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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