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HSChapter 90
U.S. imports of test benches (HS 903120) totaled $16.2M in April 2026, traded with 38 countries.
Importers of Test Benches paid $609K in duties in April 2026 — an effective duty rate of 11% on $5.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 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.
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.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $10.0M | $448K | -$9.6M |
| CANADA | $2.0M | $1.7M | -$308K |
| FINLAND | -- | $2.8M | +$2.8M |
| CHINA | $178K | $2.3M | +$2.1M |
| KOREA, SOUTH | $201K | $1.7M | +$1.5M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 9031200000 | TEST BENCHES | $16.2M | 11.20% | $609K |
TEST BENCHES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9031200000 | TEST BENCHES | $13.0M |
TEST BENCHES
8.8K no
INSTR & APPL F MEDICAL SURGICAL DENTAL VET, NESOI
HS 901890
MED NEEDLES. NESOI, CATHERERS ETC AND PARTS ETC
HS 901839
ARTIFICIAL JOINTS & PARTS & ACCESSORIES THEROF,NES
HS 902139
ELECTRO-DIAGNOSTIC APPARATUS NESOI, AND PARTS ETC.
HS 901819
OZONE,OXYGEN,ETC THERAPY, RESPIRATION APPARATUS,PT
HS 901920
MEAS CHECKNG INSTRUMENT & MACH, NOT OPTICAL, NESOI
HS 903180
| State | Imports | Exports | Balance |
|---|---|---|---|
| Ohio | $9.5M | $105K | -$9.4M |
| Michigan | $308K | $2.6M | +$2.3M |
| Connecticut | -- | $2.8M | +$2.8M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HILDAGO, TX | $8.7M | -- | -$8.7M |
| NEW YORK, NY | $129K | $2.8M | +$2.6M |
| CHICAGO, IL | $117K | $2.3M | +$2.2M |