Having a Saybolt Universal viscosity at 37.8˚C of more than 125 seconds (heavy fuel oils)
Official tariff path
Petroleum oils and oils obtained from bituminous minerals, other than crude; preparations not elsewhere specified or included, containing by weight 70 percent or more of petroleum oils or of oils obtained from bituminous minerals, these oils being the basic constituents of the preparations; waste oils: › Petroleum oils and oils obtained from bituminous minerals (other than crude) and preparations not elsewhere specified or included containing by weight 70 percent or more of petroleum oils or of oils obtained from bituminous minerals, these oils being the basic constituents of the preparations, containing biodiesel, other than waste oils: › Distillate and residual fuel oils (including blended fuel oils): › Testing 25 degrees A.P.I. or more › Having a Saybolt Universal viscosity at 37.8˚C of more than 125 seconds (heavy fuel oils)
This provision appears in the 2026 Harmonized Tariff Schedule of the United States under the following legal tariff hierarchy. A product must match the wording and applicable section or chapter notes before this code is used on an entry.
1Petroleum oils and oils obtained from bituminous minerals, other than crude; preparations not elsewhere specified or included, containing by weight 70 percent or more of petroleum oils or of oils obtained from bituminous minerals, these oils being the basic constituents of the preparations; waste oils:
2Petroleum oils and oils obtained from bituminous minerals (other than crude) and preparations not elsewhere specified or included containing by weight 70 percent or more of petroleum oils or of oils obtained from bituminous minerals, these oils being the basic constituents of the preparations, containing biodiesel, other than waste oils:
3Distillate and residual fuel oils (including blended fuel oils):
4Testing 25 degrees A.P.I. or more
5Having a Saybolt Universal viscosity at 37.8˚C of more than 125 seconds (heavy fuel oils)
Based on USITC HTS 2026 Revision 12, published July 21, 2026. The general rate does not include every origin-specific program, Section 301 or 232 measure, antidumping or countervailing duty, quota, or other agency requirement.