U.S. imports of Test Benches (HS 903120) totaled $27.4M in August 2026, imported from 43 countries.
Importers of Test Benches paid $606K in duties in August 2026, an average duty rate of 2.21% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Test Benches imports of $27.4M in August 2026 ran 28% above the year-to-date monthly average of $21.4M.
Last updated: August 2026 dataTest benches — purpose-built systems that hold, power, and load a component or assembly under controlled conditions to verify performance, durability, or compliance — serve as critical quality-assurance infrastructure across automotive, aerospace, hydraulics, and industrial equipment manufacturing. All US imports enter under a single tariff line (9031200000), and the heading's scope is broad enough to cover engine dynamometers, transmission test stands, hydraulic circuit testers, and electronic functional testers when configured as integrated bench systems. Mexico leads US import supply, followed by Germany and Canada, reflecting both nearshore manufacturing and European precision engineering. Importers should distinguish complete test benches from their constituent instruments or machine tools, as the integrated system classification typically governs.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
220 import shipments a month
CBP generally looks for functional integration: a test bench is a system designed and presented as a unit to test a specific component or assembly, with the frame, fixtures, instrumentation, and control system working together. Instruments that are merely co-located on a workbench without functional integration are classified individually. Importers shipping modular test systems should document the system's unified design intent and the fact that components are not separately usable without the bench.
Not for heading 9031200000, which covers test benches broadly regardless of the device under test. However, if a bench is specifically designed to test semiconductor wafers or devices, it may be more precisely classified under the semiconductor instrument subheading. The key is whether the bench's design is general-purpose or application-specific enough to fall under a more specific provision.
Subheading 5 of 6 in heading 9031
Subheading 903120 · $27.4M of $712.0M
ImportsExports
Imports
$27.4MYoY · free account
Exports
$14.8MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $228.7M of Test Benches and exported $141.8M.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
Mexico and Germany together supply 86% of it.
customs district
destination
entry
rate provision · imports
80.0% enters free of duty; duty collected equals 2.21% of imports for consumption.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 9031200000 | Test Benches | $27.4M | 2.21% | 20.02% | $606K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9031200000 | Test Benches | $14.8M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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