# United States tariff line 8408.10.00.50: Exceeding 746 kW > In the United States tariff, line 8408.10.00.50 covers marine propulsion engines, exceeding 746 kW. The general (MFN) duty rate is 2.5%. It falls under HS subheading 8408.10 in heading 84.08 (chapter 84). Source: https://border.bot/countries/united-states/hs-codes/8408100050 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8408.10](https://border.bot/countries/united-states/hs-codes/840810) / [8408.10.00.50](https://border.bot/countries/united-states/hs-codes/8408100050) ## Key facts - Tariff line: 8408.10.00.50 - Covers: Marine propulsion engines, exceeding 746 kW - Duty (MFN): 2.5% - Preferential rates: From free (17 programmes or origins) - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [8408.10](https://border.bot/hs-codes/840810) ## What this line covers In the United States tariff, line 8408.10.00.50 covers marine propulsion engines, exceeding 746 kW. Its legal text is “Exceeding 746 kW”, read under “Marine propulsion engines”. ## How it is structured It falls under HS subheading 8408.10 in heading 84.08 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof - Heading 84.08: Compression-ignition internal combustion piston engines (diesel or semi-diesel engines) - Subheading 8408.10: Marine propulsion engines - Line 8408.10.00.50: Exceeding 746 kW ## Duty The general (MFN) duty rate is 2.5%. The rate is published on 8408.10.00. Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A). - Free: a group of origins (origin group A) (A) - Free: United States-Australia Free Trade Agreement (AU) - Free: United States-Bahrain Free Trade Agreement Implementation Act (BH) - Free: United States-Chile Free Trade Agreement (CL) - Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO) - Free: African Growth and Opportunity Act (D) - Free: Caribbean Basin Economic Recovery Act (E) - Free: United States-Israel Free Trade Area (IL) - Free: United States-Jordan Free Trade Area Implementation Act (JO) - Free: United States-Korea Free Trade Agreement Implementation Act (KR) - Free: United States-Morocco Free Trade Agreement Implementation Act (MA) - Free: United States-Oman Free Trade Agreement Implementation Act (OM) - Free: Dominican Republic-Central America-United States Free Trade Agreement (P) - Free: United States-Panama Trade Promotion Agreement Implementation Act (PA) - Free: United States-Peru Trade Promotion Agreement Implementation Act (PE) - Free: United States-Mexico-Canada Agreement (S) - Free: United States-Singapore Free Trade Agreement (SG) ## In other countries No other national tariff on border.bot has live lines under 8408.10 yet. - [The Harmonized System text for 8408.10](https://border.bot/hs-codes/840810) ## Other lines under 8408.10 - [8408.10.00.05](https://border.bot/countries/united-states/hs-codes/8408100005) Not exceeding 111.9 kW - [8408.10.00.15](https://border.bot/countries/united-states/hs-codes/8408100015) Exceeding 111.9 kW but not exceeding 149.2 kW - [8408.10.00.20](https://border.bot/countries/united-states/hs-codes/8408100020) Exceeding 149.2 kW but not exceeding 223.8 kW - [8408.10.00.30](https://border.bot/countries/united-states/hs-codes/8408100030) Exceeding 223.8 kW but not exceeding 373 kW - [8408.10.00.40](https://border.bot/countries/united-states/hs-codes/8408100040) Exceeding 373 kW but not exceeding 746 kW - Previous line: [8408.10.00.40](https://border.bot/countries/united-states/hs-codes/8408100040) Exceeding 373 kW but not exceeding 746 kW - Next line: [8408.20.10.40](https://border.bot/countries/united-states/hs-codes/8408201040) Not exceeding 37.3 kW ## Frequently asked questions ### What does tariff line 8408.10.00.50 cover in the United States tariff? In the United States tariff, line 8408.10.00.50 covers marine propulsion engines, exceeding 746 kW. ### What is the general (MFN) duty on 8408.10.00.50 in the United States? The general (MFN) duty rate is 2.5%. The rate is published on 8408.10.00. ### Which preferential rates apply to 8408.10.00.50? Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A). ## Sources and updates The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. This page was last updated on 9 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/8408100050.json