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HSChapter 84
U.S. exports of steam and vapor turbines not exceeding 40 mw (non-marine) (HS 840682) totaled $1.4M in July 2026.
Importers of Steam and Vapor Turbines Not Exceeding 40 MW (Non-Marine) paid $54K in duties in July 2026 — an effective duty rate of 15% on $367K in dutiable value, based on actual customs collections rather than the published tariff schedule. Steam and Vapor Turbines Not Exceeding 40 MW (Non-Marine) imports of $367K in July 2026 ran 72% below the year-to-date monthly average of $1.3M.
Last updated: July 2026 dataSub-40 MW steam turbines serve industrial cogeneration, distributed power, and process-drive applications, and the US schedule subdivides them by output threshold and mobility: stationary units at or below 7,460 kW (8406821010), stationary units above 7,460 kW (8406821020), non-stationary steam turbines below 7,460 kW (8406821050), and non-steam vapor turbines (8406829000). Italy leads US imports in this size class, followed by the Czech Republic and India. The stationary vs. non-stationary distinction is operationally significant — mobile or skid-mounted turbines used in oilfield or emergency power applications fall into a different tariff line than fixed plant installations.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
3 shipments/mo
CBP generally considers a turbine 'stationary' if it is designed for permanent or semi-permanent installation at a fixed site, even if it is mounted on a skid for ease of transport during installation. A turbine designed to be regularly relocated — such as a mobile oilfield power unit — would be considered non-stationary. The OEM's product specification and the buyer's intended use documentation are the primary evidence for this determination.
The 7,460 kW (approximately 10,000 horsepower) breakpoint reflects a longstanding US tariff schedule distinction that separates smaller industrial and process-drive turbines from larger utility-adjacent units. This threshold affects the applicable tariff rate and, in some cases, eligibility for duty suspension or tariff engineering strategies. Importers should verify the turbine's rated output against the nameplate data and OEM documentation to ensure the correct line is declared.
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Subheading 2 of 4 in heading 8406
Subheading 840682 · $367K of $34.9M
ImportsExports
Imports
$367KYoY · Pro
Exports
$1.4MYoY · 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 |
|---|---|---|---|---|---|
| 8406821010 | Stat.steam Turbines,Exc Marine Propul,Lt= 7,460 Kw | $315K | 16.70% | 100.00% | $53K |
| 8406829000 | Vapor Turbines,Ex Steam & Marine Propul, Lt 40mw | $52K | 2.20% | 100.00% | $1K |
| 8406821020 | Statnry. Steam Turbines,Exc Mar Prop,Gt 7,460 Kw | $0 | -- | -- | -- |
| 8406821050 | Steam Turbn,Exc Marn Prop Lt 7460kw,not Stationary | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8406821000 | Steam Turbines,Exc Marine Propulsion not Exc 40 Mw | $788K |
| 8406829000 | Vapor Turbines,Ex Steam & Marine Propul, Lt 40mw | $633K |
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.
Exports · July 2026
destination
Saudi Arabia and Israel together take 87% of it.
customs district
origin
entry
rate provision · imports
the effective duty rate is 14.65%.