U.S. imports of Steam and Vapor Turbines Not Exceeding 40 MW (Non-Marine) (HS 840682) totaled $502K in August 2026, imported from 4 countries.
Importers of Steam and Vapor Turbines Not Exceeding 40 MW (Non-Marine) paid $83K in duties in August 2026, an average duty rate of 16.51% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Steam and Vapor Turbines Not Exceeding 40 MW (Non-Marine) imports of $502K in August 2026 ran 59% below the year-to-date monthly average of $1.2M.
Last updated: August 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 import shipments a month
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.
ImportsExports
Imports
$502KYoY · free account
Exports
$216KYoY · free account
Low of 10 reported months · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $15.9M of Steam and Vapor Turbines Not Exceeding 40 MW (Non-Marine) and exported $12.3M.
Through August 2026 · imports 10 of 12 months reported, exports 11 of 12 months reported. Source: U.S. Census Bureau.
Imports · August 2026
origin
India and France together supply 100% of it.
customs district
destination
entry
rate provision · imports
1.1% enters free of duty; duty collected equals 16.51% of imports for consumption.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8406821010 | Stat.steam Turbines, Exc Marine Propul, Lt= 7,460 Kw | $248K | 16.70% | 100.00% | $41K |
| 8406821050 | Steam Turbn, Exc Marn Prop Lt 7460kw, Not Stationary | $248K | 16.70% | 100.00% | $41K |
| 8406829000 | Vapor Turbines, Ex Steam & Marine Propul, Lt 40mw | $6K | 0.00% | 0.00% | -- |
| 8406821020 | Statnry. Steam Turbines, Exc Mar Prop, Gt 7,460 Kw | — | -- | -- | -- |
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 | $216K |
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.
Trade Directory
List your company under HS 840682 — Steam and Vapor Turbines Not Exceeding 40 MW (Non-Marine), so the companies trading it can find you. Be the first supplier listed.
Subheading 3 of 4 in heading 8406
Subheading 840682 · $502K of $21.1M