Caterpillar C4.4 ACERT Industrial Diesel Engine from Japan
Caterpillar C4.4 ACERT is a 4.4-liter turbo diesel with advanced combustion emission reduction technology for industrial trucks and machinery. HTS 8408.90.90 covers this as an other compression-ignition engine for non-vehicle industrial use.
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%
Import Tips
• Provide Tier 4 emissions certification to meet U.S. non-road diesel import rules
• Declare exact application (e.g
• forklift vs generator) to guide classification
• Watch for over-declaration of accessories that could trigger parts tariffs