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SITCSection 7
U.S. imports of non-cnc knee-type milling machines for metal (SITC 73152) totaled $473K in April 2026, traded with 7 countries.
Importers of Non-CNC Knee-Type Milling Machines for Metal paid $60K in duties in April 2026 — an effective duty rate of 21% on $285K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataConventional knee mills — the manual Bridgeport-style machines that have equipped toolrooms and job shops for decades — are classified under SITC 73152 when they lack numerical control. These machines remain commercially active in maintenance, repair, and prototype environments where setup flexibility and operator skill substitute for programmatic repeatability. The non-CNC designation is the critical classification boundary with 73151, and machines with even basic two-axis CNC retrofits may no longer qualify here.
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A retrofit that adds servo-driven, programmable axis control converts the machine to numerically controlled status, which would move it to SITC 73151. If the retrofit provides only digital readout without servo-driven positioning, the machine remains non-CNC and stays in 73152. The functional capability of the control system — not the original machine design — determines classification after a retrofit.
Used industrial machinery generally follows the same tariff classification as new equipment, but CBP may scrutinize the declared value more closely for used machines. Some states and localities also have environmental or safety regulations governing used machinery imports. There are no federal admissibility restrictions specific to used metalworking machines, but importers should ensure accurate valuation and condition disclosure in entry documentation.
Monthly import values over time
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $188K | $23K | -$165K |
| TAIWAN | $207K | -- | -$207K |
| CHINA | $78K | -- | -$78K |
| SINGAPORE | -- | $7K | +$7K |
| DOMINICAN REPUBLIC | -- | -- | -- |