If the machine's primary function is harvesting (lifting roots from the soil and separating them from soil and haulm), an integrated washing stage does not shift classification away from 843353. However, a standalone root-washing or grading machine imported separately would be classified under heading 843680 or 843360 depending on its specific function. When a combined harvester-washer is imported as a single unit, the essential character — harvesting — typically governs.

Both countries have deep agricultural-engineering industries serving large domestic and European potato, sugar-beet, and carrot sectors, which drove decades of R&D investment in precision root-crop harvesting. German and Dutch manufacturers produce high-capacity, low-damage harvesters that meet the quality standards of US commercial potato and vegetable growers. The relatively small US domestic manufacturing base for specialized root-crop equipment reinforces import dependence on these sources.