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HSChapter 84
U.S. imports of engines and motors, not elsewhere specified (nesoi) (HS 841280) totaled $9.6M in April 2026, traded with 38 countries.
Importers of Engines and Motors, Not Elsewhere Specified (NESOI) paid $893K in duties in April 2026 — an effective duty rate of 13% on $6.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataServing as the residual catch-all for prime movers that do not fit hydraulic, pneumatic, steam, or internal-combustion categories, this heading covers spring-operated and weight-operated motors (8412801000) as well as a broad NESOI line (8412809000) that captures novel or hybrid actuator technologies. Japan leads US imports under this heading, reflecting that country's strength in precision mechanical and specialty motion-control components. France and Switzerland also appear among top suppliers, consistent with their roles in high-value instrumentation and watchmaking-adjacent mechanical drives.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
This residual line captures prime movers that cannot be classified under more specific headings — examples include gravity-driven clock-tower mechanisms, novel electromagnetic linear drives not covered elsewhere, and certain specialty actuators. Classification requires ruling out all more specific headings in Chapter 84 before defaulting to NESOI.
Japan's prominence reflects the precision-engineering intensity of many products in this heading. Spring-operated and specialty mechanical motors often require tight tolerances and proprietary alloy springs, areas where Japanese manufacturers have established long-standing expertise and quality certifications valued by US industrial buyers.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| JAPAN | $1.6M | $1.7M | +$50K |
| CANADA | $157K | $2.9M | +$2.8M |
| GERMANY | $635K | $2.4M | +$1.7M |
| CHINA | $852K | $1.6M | +$704K |
| COSTA RICA | -- | $2.3M | +$2.3M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8412809000 | ENGINES AND MOTORS, NESOI | $6.1M | 15.04% | $515K |
| 8412801000 | SPRING-OPERATED AND WEIGHT-OPERATED MOTORS | $3.5M | 11.60% | $378K |
ENGINES AND MOTORS, NESOI
SPRING-OPERATED AND WEIGHT-OPERATED MOTORS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8412809000 | ENGINES AND MOTORS, NESOI | $19.4M |
| 8412801000 | SPRING-OPERATED AND WEIGHT-OPERATED MOTORS | $927K |
ENGINES AND MOTORS, NESOI
281.2K no
SPRING-OPERATED AND WEIGHT-OPERATED MOTORS
716 no
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| New York | $1.6M | $4.4M | +$2.8M |
| California | $985K | $3.6M | +$2.6M |
| Florida | $190K | $4.1M | +$3.9M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEW ORLEANS, LA | $740K | $3.5M | +$2.7M |
| LOS ANGELES INTERNATIONAL AIRPORT, CA | $223K | $2.9M | +$2.7M |
| JFK INTERNATIONAL AIRPORT, NY | $227K | $2.1M | +$1.9M |