HSChapter 85
U.S. imports of electric generating sets (other than wind, reciprocating engine, or spark-ignition) (HS 850239) totaled $47.7M in July 2026, traded with 35 countries.
Importers of Electric Generating Sets (Other Than Wind, Reciprocating Engine, or Spark-Ignition) paid $4.5M in duties in July 2026 — an effective duty rate of 12% on $38.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataGas turbine, steam turbine, and other non-reciprocating electric generating sets fall under this residual heading, which captures large-scale stationary power generation equipment not classified elsewhere in heading 8502. The US schedule breaks these out into gas-turbine-powered sets (8502390010), steam-turbine-powered sets (8502390040), and two residual lines (8502390080 and 8502390090) that catch remaining configurations. Hungary leads US import supply for this heading, followed by Canada and Mexico, reflecting European and North American industrial manufacturing capacity for heavy power generation equipment. Importers should verify whether specific units are subject to Section 301 tariffs based on origin, as classification between the turbine-specific and residual lines depends on the prime mover type.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
65 shipments/mo
The key classification factor is the prime mover type. Gas-turbine-powered sets go under 8502390010, steam-turbine-powered sets under 8502390040, and units driven by other prime movers (such as hydraulic turbines or fuel cells) fall into the residual lines 8502390080 or 8502390090. Consult a licensed customs broker if the prime mover is hybrid or unconventional.
Generating sets from certain origins may be subject to Section 301 tariffs or other trade-remedy measures depending on country of origin and specific product configuration. Hungary, Canada, and Mexico are the leading suppliers to the US under this heading; Canadian and Mexican goods may receive preferential treatment under USMCA, but European-origin equipment should be reviewed for applicable duties at the time of entry.
Subheading 3 of 7 in heading 8502
Subheading 850239 · $47.7M of $352.0M
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ImportsExports
Imports
$47.7MYoY · Pro
Exports
$19.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 8502390040 | Generating Sets,Electric,Powered by Steam Turbines | $26.6M | 12.50% | 100.00% | $3.3M |
| 8502390080 | Generating Sets, Electric, NESOI | $21.1M | 5.74% | 57.72% | $1.2M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8502390010 | Electr Generating Sets Pwrd by Gas Turbines, NESOI | $12.8M |
| 8502390090 | Electric Generating Sets Except Gas Turbines NESOI | $6.2M |
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.
Imports · July 2026
origin
Japan and Mexico together supply 75% of it.
customs district
destination
entry
rate provision · imports
24.5% enters free of duty; the effective duty rate is 9.51%.