HTS code 9902.15.39 covers "Stationary steam turbines, condensing type, direct drive, suited for use with a generator, having an output of 60 MW or more but not over 120 MW, with a rotational speed more than 3500 RPM (provided for in subheading 8406.81.10) " under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.