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U.S. exports of parts of non-farm grain cleaning, sorting & milling machinery (HS 843790) totaled $6.7M in July 2026.
Importers of Parts of Non-Farm Grain Cleaning, Sorting & Milling Machinery paid $287K in duties in July 2026 — an effective duty rate of 13% on $2.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Parts of Non-Farm Grain Cleaning, Sorting & Milling Machinery imports of $2.8M in July 2026 ran 15% below the year-to-date monthly average of $3.3M.
Last updated: July 2026 dataWear parts, screens, rollers, and mechanical assemblies for commercial grain-cleaning, seed-sorting, and milling equipment are classified here, with the US schedule distinguishing parts of flour and grain mill machines (8437900010) from parts of other cleaning, sorting, and cereal-working machinery (8437900090). Canada leads imports under this heading, with Spain and Italy also significant — the Spanish and Italian presence reflects aftermarket supply chains tied to European OEM milling-equipment manufacturers. China's position among the top five suppliers means importers should assess Section 301 exposure at the applicable 10-digit line before entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
286 shipments/mo
Metal or plastic sieve frames and screens designed specifically for grain-cleaning machines are classified as parts of those machines under 8437.90, not as textile or wire-cloth products. The key is that they are identifiable as parts of a specific machine type. Woven wire cloth sold in bulk without machine-specific design would be classified differently.
CBP expects evidence that the part is dedicated to or principally used with grain-cleaning or milling machinery — OEM part numbers, technical drawings referencing the parent machine, or supplier invoices describing the part's application all strengthen the classification. Generic fasteners or bearings used across many machine types are typically classified under their own headings rather than as parts of milling machinery.
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Subheading 2 of 3 in heading 8437
Subheading 843790 · $2.8M of $13.0M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8437900090 | Pts,Mac,Cln,Srt,Gr Sd,Gr,Drd Leg Veg,Mil,Wrk Ceral | $2.7M | 9.87% | 82.52% | $270K |
| 8437900010 | Parts of Flour Mill or Grain Mill Machines | $1.2M | 11.48% | 94.76% | $136K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8437900000 | Parts of Mach F Clean,Sort, Mill Grain,Veg,Ex Farm | $5.0M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$2.8MYoY · Pro
Exports
$6.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
Canada and Brazil together take 60% of it.
customs district
origin
entry
rate provision · imports
19.7% enters free of duty; the effective duty rate is 10.23%.