Harmonized System
U.S. imports of Mixing & Kneading Machines for Mineral Substances (Other) (HS 847439) totaled $1.7M in August 2026, imported from 26 countries.
Importers of Mixing & Kneading Machines for Mineral Substances (Other) paid $147K in duties in August 2026, an average duty rate of 8.50% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Mixing & Kneading Machines for Mineral Substances (Other) imports of $1.7M in August 2026 ran 33% below the year-to-date monthly average of $2.6M.
Last updated: August 2026 dataItaly leads US imports of mixing and kneading machines for earth, stone, ore, and other solid mineral substances not covered by the concrete-mixer or bitumen-mixer subheadings — a residual category that includes equipment for ceramic body preparation, refractory material blending, and specialty mineral compound processing. Germany and Finland are also significant sources, consistent with their industrial ceramics and mining-equipment sectors. The single US tariff line (8474390000) consolidates all such machines, so classification disputes most often arise at the boundary with 8474.31 (concrete mixers) and 8474.32 (bitumen mixers), where the specific mineral substrate and end-use application are the determining factors.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
39 import shipments a month
Heading 8474.39 captures mixing and kneading machines whose mineral substrate is neither concrete/mortar nor bitumen-aggregate blends. Common examples include pug mills for ceramic body preparation, muller mixers for refractory materials, and kneaders for mineral-filled rubber or plastic compounds where the mineral substance is the primary ingredient. The specific material being processed — not the mechanical action — is the primary classification criterion.
Goods of Chinese origin classified under 8474.39 are generally subject to Section 301 tariffs. Italy, Germany, and Finland — the leading suppliers — are not subject to Section 301 measures, making European sourcing advantageous from a duty-cost perspective. Importers should verify the current Section 301 list status and any applicable exclusions with a licensed customs broker before finalizing sourcing decisions.
Subheading 6 of 7 in heading 8474
Subheading 847439 · $1.7M of $169.1M
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ImportsExports
Imports
$1.7MYoY · free account
Exports
$933KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $33.9M of Mixing & Kneading Machines for Mineral Substances (Other) and exported $14.6M.
Through August 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8474390000 | Mixing or Kneading Mach, NESOI, For Mineral Substn | $1.7M | 8.50% | 80.21% | $147K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8474390000 | Mixing or Kneading Mach, NESOI, For Mineral Substn | $933K |
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.
Imports · August 2026
origin
Italy and Netherlands together supply 65% of it. Vietnam pays 12.5% duty; Canada 1.8%.
customs district
destination
entry
rate provision · imports
19.8% enters free of duty; duty collected equals 8.50% of imports for consumption.