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HSChapter 84
U.S. imports of outboard engines for marine propulsion (HS 840721) totaled $85.1M in April 2026, traded with 10 countries.
Importers of Outboard Engines for Marine Propulsion paid $7.9M in duties in April 2026 — an effective duty rate of 9.8% on $81.0M in dutiable value, based on actual customs collections rather than the published tariff schedule. Outboard Engines for Marine Propulsion imports of $85.1M in April 2026 ran 35% above the year-to-date monthly average of $62.9M.
Last updated: April 2026 dataOutboard marine engines — self-contained spark-ignition units that clamp to a vessel's transom — are classified under heading 840721, with US tariff lines distinguishing engines below 22.38 kW (8407210040) from higher-powered units (8407210080). Japan dominates US imports under this heading, reflecting the global market position of major Japanese outboard manufacturers, with China and Thailand also significant sources. Engines subject to Section 301 tariffs from China require careful duty planning, and EPA emissions certification is a prerequisite for entry of new outboard engines into US commerce.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Yes. New outboard engines must comply with EPA marine engine emissions standards under the Clean Air Act. Importers must ensure the engine model holds a valid EPA certificate of conformity; non-compliant engines may be refused entry or require export at the importer's expense.
Outboard engines imported from China may be subject to Section 301 tariffs. Importers should confirm the applicable Section 301 list and any exclusion orders in effect at the time of entry, as these measures have been subject to periodic review and modification.
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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 |
|---|---|---|---|---|
| 8407210080 | SPK-IGN REC/ROT INT COM PST ENG,MARN OTBRD,NESOI | $73.9M | 9.31% | $6.7M |
| 8407210040 | SPKIGN REC/ROT INT COM PST ENG,MARN,LT 22.38KW | $11.1M | 13.33% | $1.2M |
SPK-IGN REC/ROT INT COM PST ENG,MARN OTBRD,NESOI
SPKIGN REC/ROT INT COM PST ENG,MARN,LT 22.38KW
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8407210000 | OUTBOARD ENGINES FOR MARINE PROPULSION | $38.8M |
OUTBOARD ENGINES FOR MARINE PROPULSION
11.4K no
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| Florida | $32.5M | $3.7M | -$28.8M |
| Washington | $35.0M | $308K | -$34.7M |
| Wisconsin | $51K | $29.3M | +$29.3M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $39.1M | $710K | -$38.4M |
| SEATTLE, WA | $31.4M | -- | -$31.4M |
| CHICAGO, IL | -- | $12.1M | +$12.1M |