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HSChapter 85
U.S. imports of single-phase ac motors (HS 850140) totaled $113.4M in April 2026, traded with 41 countries.
Importers of Single-Phase AC Motors paid $9.7M in duties in April 2026 — an effective duty rate of 19% on $51.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataSingle-phase AC motors power a broad range of residential and light-commercial applications — HVAC fans, pumps, compressors, and appliances — where simplicity of electrical supply is prioritized over variable-speed performance. The US schedule distinguishes gear motors (with integrated gearboxes) from standard AC motors at each watt band, creating paired tariff lines from 37.5 W up through outputs exceeding 746 W. Mexico is the dominant supplier, with China and Vietnam also significant, and motors of Chinese origin are subject to Section 301 tariffs.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Gear motors are AC motors with an integral gearbox or speed reducer forming a single mechanical unit. The US schedule pairs a gear motor line with a general NESOI motor line at each output band — for example, 8501402020 (gear motor, 37.5–74.6 W) alongside 8501402040 (AC motor, same range, NESOI). If the gearbox is a separate, independently imported component, it would not qualify for the gear motor provision.
Vietnam is not subject to Section 301 tariffs, which apply to goods of Chinese origin. However, CBP scrutinizes country-of-origin claims for electric motors closely, particularly when components are sourced from China and assembled elsewhere. Substantial transformation must occur in Vietnam for the motors to qualify as Vietnamese-origin goods; importers should maintain detailed manufacturing records to support origin declarations.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8501404040 | AC MOTOR,SINGLE-PHASE GT 74.6 W BUT LT=735 W,NESOI | $74.3M | 17.93% | $5.5M |
| 8501406040 | AC MOTOR, SINGLE-PHASE, OUTPUT GT=746 W, NESOI | $21.6M | 24.83% | $2.1M |
| 8501404020 | GEAR MOTOR,AC,SINGLE-PHASE,GT 74.6 W BUT LT=735 W | $7.0M | 16.62% | $792K |
| 8501402040 | AC MOTOR,SINGLEPHASE GT 37.5 W BUT LT=74.6 W,NESOI | $6.6M | 16.85% | $881K |
| 8501402020 | GEAR MOTOR,AC,SINGLE-PHASE GT 37.5 W BUT LT=74.6 W | $2.7M | 13.40% | $196K |
| 8501405040 | AC MOTOR,SINGLE-PHASE GT 735 W BUT LT=746 W | $668K | 28.69% | $117K |
| 8501406020 | GEAR MOTOR,AC,SINGLE-PHASE,OUTPUT GT=746 W | $511K | 33.57% | $156K |
| 8501405020 | GEAR MOTOR,SINGLE PHASE GT 735 W BUT LT=746 W | $42K | 11.24% | $4K |
AC MOTOR,SINGLE-PHASE GT 74.6 W BUT LT=735 W,NESOI
AC MOTOR, SINGLE-PHASE, OUTPUT GT=746 W, NESOI
GEAR MOTOR,AC,SINGLE-PHASE,GT 74.6 W BUT LT=735 W
AC MOTOR,SINGLEPHASE GT 37.5 W BUT LT=74.6 W,NESOI
GEAR MOTOR,AC,SINGLE-PHASE GT 37.5 W BUT LT=74.6 W
AC MOTOR,SINGLE-PHASE GT 735 W BUT LT=746 W
GEAR MOTOR,AC,SINGLE-PHASE,OUTPUT GT=746 W
GEAR MOTOR,SINGLE PHASE GT 735 W BUT LT=746 W
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8501403040 | AC MOTORS,SINGLE-PHSE,GT 74.6 W BUT LT 746 W,NESOI | $7.1M |
| 8501406040 | AC MOTOR, SINGLE-PHASE, OUTPUT GT=746 W, NESOI | $6.3M |
| 8501402020 | GEAR MOTOR,AC,SINGLE-PHASE GT 37.5 W BUT LT=74.6 W | $2.4M |
| 8501402040 | AC MOTOR,SINGLEPHASE GT 37.5 W BUT LT=74.6 W,NESOI | $1.5M |
| 8501403020 | GEAR MOTORS, AC, SINGLE-PHASE,GT 74.6 BUT LT 746W | $841K |
| 8501406020 | GEAR MOTOR,AC,SINGLE-PHASE,OUTPUT GT=746 W | $88K |
AC MOTORS,SINGLE-PHSE,GT 74.6 W BUT LT 746 W,NESOI
66.1K no
AC MOTOR, SINGLE-PHASE, OUTPUT GT=746 W, NESOI
43.2K no
GEAR MOTOR,AC,SINGLE-PHASE GT 37.5 W BUT LT=74.6 W
37.8K no
AC MOTOR,SINGLEPHASE GT 37.5 W BUT LT=74.6 W,NESOI
16.4K no
GEAR MOTORS, AC, SINGLE-PHASE,GT 74.6 BUT LT 746W
1.9K no
GEAR MOTOR,AC,SINGLE-PHASE,OUTPUT GT=746 W
177 no
STATIC CONVERTERS; ADP POWER SUPPLIES
HS 850440
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $23.8M | $2.0M | -$21.8M |
| HILDAGO, TX | $15.4M | $1.0M | -$14.4M |
| EAGLE PASS, TX | $10.2M | $339K | -$9.8M |