U.S. imports of clamshell (grappler) attachments (HS 8431410040) totaled $939K in August 2026, imported from 19 countries.
Importers of Clamshell (Grappler) Attachments paid $180K in duties in August 2026, an effective tariff rate of 19.16% of the $939K imported — duty actually collected as a share of that value, not the published tariff schedule. Clamshell (Grappler) Attachments imports of $939K in August 2026 ran 23% below the year-to-date monthly average of $1.2M.
Last updated: August 2026 dataAvg $2804.14/NO · 49 shipments/mo
HSChapter 84
Statistical number 3 of 4 in subheading 843141
Statistical number 8431410040 · $939K of $43.3M
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ImportsExports
Imports
$939KYoY · free account
Exports
$97KYoY · free account
12-mo low · imports
YoY · free accountThrough August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
Canada and China together supply 51% of it. China pays 39.4% duty; Canada 15.0%.
customs district
None recorded for this period.
destination
Census publishes state breakdowns to the 6-digit level only. See HS 843141 for those.
entry
Census publishes port breakdowns to the 6-digit level only. See HS 843141 for those.
rate provision · imports
None recorded for this period.