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SITCSection 7
U.S. exports of dredgers (SITC 79351) totaled $10.8M in July 2026.
Importers of Dredgers paid $100K in duties in July 2026 — an effective duty rate of 18% on $555K in dutiable value, based on actual customs collections rather than the published tariff schedule. Dredgers imports of $621K in July 2026 ran 150% above the year-to-date monthly average of $248K.
Last updated: July 2026 dataDredgers are specialized self-propelled or non-self-propelled vessels whose primary function is excavating and removing sediment from waterways, harbors, and offshore areas — a function that governs their SITC classification regardless of hull type or propulsion. In the US market, dredging operations in navigable waters are heavily regulated by the US Army Corps of Engineers, and foreign-flagged dredgers face significant restrictions on domestic work under the Jones Act and the Dredging Act of 1906. Trade in dredgers is therefore concentrated in export markets and international project work rather than domestic US deployment. Buyers evaluating imported dredgers for US coastal or inland projects should obtain legal guidance on coastwise trade restrictions before completing acquisition.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
4 shipments/mo
Basic heading 79351 · $621K of $175.6B
Generally no. The Dredging Act of 1906, reinforced by Jones Act provisions, restricts dredging in US navigable waters to US-built, US-flagged, and US-crewed vessels. Waivers are possible but rarely granted. Foreign-built dredgers imported for US use would typically be limited to non-coastwise applications or require a formal waiver from the Maritime Administration.
The key criterion is that the vessel's primary designed function is excavation and sediment removal, not navigation or cargo transport. A vessel fitted with dredging equipment as a secondary capability would not qualify; the dredging function must be the principal purpose for which the hull was designed and constructed.
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Exports · July 2026
destination
Canada and Australia together take 100% of it.
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$621KYoY · Pro
Exports
$10.8MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.