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HSChapter 85
U.S. imports of single-phase ac motors (HS 850140) totaled $121.7M in July 2026, traded with 46 countries.
Importers of Single-Phase AC Motors paid $11.2M in duties in July 2026 — an effective duty rate of 20% on $57.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 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.
9.7K shipments/mo
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.
ImportsExports
Imports
$121.7MYoY · Pro
Exports
$20.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and China together supply 65% of it.
customs district
destination
entry
rate provision · imports
50.5% enters free of duty; the effective duty rate is 9.24%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8501404040 | AC Motor,Single-Phase Gt 74.6 W But Lt=735 W,NESOI | $79.9M | 7.29% | 41.45% | $5.8M |
| 8501406040 | AC Motor, Single-Phase, Output Gt=746 W, NESOI | $23.0M | 11.50% | 49.90% | $2.6M |
| 8501404020 | Gear Motor,AC,Single-Phase,Gt 74.6 W But Lt=735 W | $8.9M | 14.04% | 58.82% | $1.2M |
| 8501402040 | AC Motor,Singlephase Gt 37.5 W But Lt=74.6 W,NESOI | $7.2M | 14.94% | 69.20% | $1.1M |
| 8501405040 | AC Motor,Single-Phase Gt 735 W But Lt=746 W | $1.4M | 11.64% | 76.67% | $159K |
| 8501402020 | Gear Motor,AC,Single-Phase Gt 37.5 W But Lt=74.6 W | $1.1M | 20.43% | 101.38% | $222K |
| 8501406020 | Gear Motor,AC,Single-Phase,Output Gt=746 W | $286K | 26.45% | 86.47% | $76K |
| 8501405020 | Gear Motor,Single Phase Gt 735 W But Lt=746 W | $49K | 5.59% | 41.99% | $3K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
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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Subheading 5 of 17 in heading 8501
Subheading 850140 · $121.7M of $1.2B