No. 4 Diesel Blend Fuel Oil (High Sulfur) from China
Blended fuel oil combining diesel distillates and residuals to achieve No. 4 specs: API >25°, 45-125 SUS viscosity, sulfur >500 ppm, for off-highway diesel engines. HTS 2710.19.11.25 covers this as distillate fuel oil for heavy machinery.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Differentiate from on-road diesel; certify as non-highway use per EPA to match fuel classification
• Test cetane index if blended; low cetane may require reclassification review
• Avoid retail packaging; bulk tanker imports simplify duty assessment