8408.90.90.20/Caterpillar 3406E Diesel Engine/Japan

Caterpillar 3406E Diesel Engine from Japan

The Caterpillar 3406E is a 14.6-liter inline-six compression-ignition engine rated at 300 kW, used primarily in heavy-duty trucks and construction equipment. It falls under HTS 8408.90.90.20 due to its power output between 149.2 kW and 373 kW and classification as an other diesel engine not for vehicles or marine use. This engine features turbocharging and advanced fuel injection for high torque.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Verify engine power output with manufacturer specs via dyno test certificates to confirm 149.2-373 kW range; obtain EPA emissions certification for non-road use; avoid misclassification by ensuring no vehicle-specific mounts