# United States tariff line 8407.34.35.60: Air-cooled > In the United States tariff, line 8407.34.35.60 covers reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 1,000 cc, of a cylinder capacity exceeding 2,000 cc, to be installed in tractors suitable for agricultural use, exceeding 37.3 kW, air-cooled. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8407.34 in heading 84.07 (chapter 84). Source: https://border.bot/countries/united-states/hs-codes/8407343560 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) / [8407.34](https://border.bot/countries/united-states/hs-codes/840734) / [8407.34.35.60](https://border.bot/countries/united-states/hs-codes/8407343560) ## Key facts - Tariff line: 8407.34.35.60 - Covers: Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 1,000 cc, of a cylinder capacity exceeding 2,000 cc, to be installed in tractors suitable for agricultural use, exceeding 37.3 kW, air-cooled - Duty (MFN): Free - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [8407.34](https://border.bot/hs-codes/840734) ## What this line covers In the United States tariff, line 8407.34.35.60 covers reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 1,000 cc, of a cylinder capacity exceeding 2,000 cc, to be installed in tractors suitable for agricultural use, exceeding 37.3 kW, air-cooled. Its legal text is “Air-cooled”, read under “Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87”, “Of a cylinder capacity exceeding 1,000 cc”, “Of a cylinder capacity exceeding 2,000 cc”, “To be installed in tractors suitable for agricultural use” and “Exceeding 37.3 kW”. ## How it is structured It falls under HS subheading 8407.34 in heading 84.07 (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 84.07: Spark-ignition reciprocating or rotary internal combustion piston engines - Subheading 8407.34: Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87 - Within the subheading: Of a cylinder capacity exceeding 1,000 cc - Within the subheading: Of a cylinder capacity exceeding 2,000 cc - Within the subheading: To be installed in tractors suitable for agricultural use - Within the subheading: Exceeding 37.3 kW - Line 8407.34.35.60: Air-cooled ## Duty Goods under this line enter free of general (MFN) duty. The rate is published on 8407.34.35. ## In other countries No other national tariff on border.bot has live lines under 8407.34 yet. - [The Harmonized System text for 8407.34](https://border.bot/hs-codes/840734) ## Other lines under 8407.34 - [8407.34.05.30](https://border.bot/countries/united-states/hs-codes/8407340530) Not exceeding 37.3 kW - [8407.34.05.60](https://border.bot/countries/united-states/hs-codes/8407340560) Air-cooled - [8407.34.05.90](https://border.bot/countries/united-states/hs-codes/8407340590) Other - [8407.34.14.00](https://border.bot/countries/united-states/hs-codes/8407341400) Used or rebuilt - [8407.34.18.00](https://border.bot/countries/united-states/hs-codes/8407341800) Other - [8407.34.25.00](https://border.bot/countries/united-states/hs-codes/8407342500) Other - [8407.34.35.30](https://border.bot/countries/united-states/hs-codes/8407343530) Not exceeding 37.3 kW - [8407.34.35.90](https://border.bot/countries/united-states/hs-codes/8407343590) Other - [8407.34.44.00](https://border.bot/countries/united-states/hs-codes/8407344400) Used or rebuilt - [8407.34.48.00](https://border.bot/countries/united-states/hs-codes/8407344800) Other - [8407.34.55.00](https://border.bot/countries/united-states/hs-codes/8407345500) Other - Previous line: [8407.34.35.30](https://border.bot/countries/united-states/hs-codes/8407343530) Not exceeding 37.3 kW - Next line: [8407.34.35.90](https://border.bot/countries/united-states/hs-codes/8407343590) Other ## Frequently asked questions ### What does tariff line 8407.34.35.60 cover in the United States tariff? In the United States tariff, line 8407.34.35.60 covers reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 1,000 cc, of a cylinder capacity exceeding 2,000 cc, to be installed in tractors suitable for agricultural use, exceeding 37.3 kW, air-cooled. ### What is the general (MFN) duty on 8407.34.35.60 in the United States? Goods under this line enter free of general (MFN) duty. The rate is published on 8407.34.35. ## 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/8407343560.json