U.S. imports of Parts (NES) for Civil Engineering, Mining & Public Works Machinery (SITC 72399) totaled $384.8M in August 2026, imported from 83 countries.
Importers of Parts (NES) for Civil Engineering, Mining & Public Works Machinery paid $96.7M in duties in August 2026, an average duty rate of 25.69% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Parts (NES) for Civil Engineering, Mining & Public Works Machinery imports of $384.8M in August 2026 ran 14% above the year-to-date monthly average of $338.8M.
Last updated: August 2026 dataResidual parts not elsewhere specified for civil engineering, mining, and public-works machinery — including components covered under SITC heading 723 and crane-type equipment under heading 744.3 — are consolidated here. The breadth of this heading makes it a common landing point for multi-function or hybrid components that serve several machine types, and its NES character means it should only be used after ruling out more specific parts headings. Trade professionals dealing in aftermarket or MRO supply chains for heavy construction equipment frequently encounter this code when sourcing non-OEM components with broad compatibility.
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26.2K import shipments a month
This heading is residual — it applies only when no more specific SITC parts heading covers the component. Importers should first check dedicated parts headings for earthmoving, boring, and lifting equipment. Only after confirming the part is not described elsewhere should this NES code be used, and the classification rationale should be documented.
Yes — parts for cranes and similar lifting equipment that are not elsewhere specified may also fall under this heading rather than a dedicated crane-parts provision, depending on the SITC schedule structure. Importers should cross-reference both the civil-engineering machinery section and the lifting-equipment section to identify the most specific applicable heading before defaulting to this residual code.
Basic heading 55 of 642 in section 7
Basic heading 72399 · $384.8M of $172.0B
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Imports · August 2026
origin
China and Mexico together supply 41% of it. China pays 47.4% duty; South Korea 13.5%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$384.8MYoY · free account
Exports
$218.4MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $4.0B of Parts (NES) for Civil Engineering, Mining & Public Works Machinery.
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.