Analysis
Subheading 8433.90 covers parts, within heading 8433. The first six digits are shared by every country that uses the Harmonized System, so this part of the code is the same in the US, UK and EU schedules; the 2 US tariff lines below it are national.
Every one of its 2 tariff lines is duty-free at the general rate, so classification within the subheading affects statistics and Chapter 99 measures rather than the base duty.
The US splits it as follows: 8433.90.10 for of mowers for lawns, parks or sports grounds (duty-free) and 8433.90.50 for parts: other (duty-free).
By Census's concordance, most of its statistical lines are made by Farm Machinery and Equipment Manufacturing (333111) and Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing (333112). Those are the NAICS industries a US producer of these goods would report under.
Goods only reach 8433.90 once they fall within heading 8433 (harvesting or threshing machinery, including straw or fodder balers; grass or hay mowers…). Under General Rule 6, subheadings are then compared only with others at the same level, so a product is matched against its siblings, not against lines elsewhere in the chapter.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 8433.90.10 | Of mowers for lawns, parks or sports grounds | Free |
| 8433.90.50 | Parts: other | Free |