U.S. exports of Unit Construction Machines (Single Station) for Working Metal (SITC 73122) totaled $1.3M in August 2026.
Importers of Unit Construction Machines (Single Station) for Working Metal paid $84K in duties in August 2026, an average duty rate of 10.00% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Unit Construction Machines (Single Station) for Working Metal imports of $840K in August 2026 ran 22% below the year-to-date monthly average of $1.1M.
Last updated: August 2026 dataSingle-station unit construction machines are purpose-built, fixed-cycle metalworking systems designed to perform one or a limited set of operations at a dedicated workstation, contrasting with the multi-operation flexibility of machining centers. They are commonly integrated into high-volume transfer lines in automotive powertrain and appliance manufacturing, where cycle-time consistency outweighs operational flexibility. Classification requires distinguishing single-station units from multistation transfer machines, as the two headings reflect fundamentally different production architectures.
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5 import shipments a month
A unit construction machine is designed for fixed, repetitive operations at one station and typically lacks the automatic tool-changing and multi-operation flexibility that define a machining center. The distinction matters for correct SITC and HTS classification; importers should provide manufacturer specifications detailing the machine's operational architecture to CBP.
These machines are most prevalent in high-volume, fixed-cycle manufacturing environments such as automotive engine and transmission component production, where consistent cycle times and dedicated tooling setups are prioritized over operational flexibility.
Basic heading 73122 · $1.3M of $76.2B
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Exports · August 2026
destination
Australia and Mexico 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
$840KYoY · free account
Exports
$1.3MYoY · free account
Low of 9 reported months · imports
Low · free accountThrough August 2026 · imports 9 of 12 months reported, exports 9 of 12 months reported. Source: U.S. Census Bureau.