U.S. imports of Spark-Ignition Reciprocating Piston Engines for Vehicles, Over 50 cc to 250 cc (HS 840732) totaled $1.1M in August 2026, imported from 15 countries.
Importers of Spark-Ignition Reciprocating Piston Engines for Vehicles, Over 50 cc to 250 cc paid $115K in duties in August 2026, an average duty rate of 14.52% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Spark-Ignition Reciprocating Piston Engines for Vehicles, Over 50 cc to 250 cc imports of $1.1M in August 2026 ran 30% below the year-to-date monthly average of $1.6M.
Last updated: August 2026 dataCovering the displacement band most common in motorcycles, ATVs, and small agricultural tractors, heading 840732 spans engines over 50 cc up to 250 cc for Chapter 87 vehicles. The US schedule segments these by end-use: agricultural tractors (8407321000), road vehicles including buses, autos, and trucks — with separate new (8407322080) and used (8407322040) lines — and residual categories (8407325000, 8407329040, 8407329080). Japan and Taiwan are the leading suppliers, with Italy a notable source for performance motorcycle engines in this displacement class.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
26 import shipments a month
Lines 8407322080 (new) and 8407322040 (used) carry potentially different duty rates and may trigger different admissibility or documentation requirements. Used engines may also be subject to additional scrutiny regarding emissions compliance and condition certification. Declaring the correct new/used status at entry is a classification requirement, not merely a descriptive one.
Both fall within heading 840732's 50–250 cc range, but the agricultural tractor engine is specifically carved out to line 8407321000, while the motorcycle engine would fall under the road-vehicle lines (8407322000 series) or the residual NESOI lines depending on its specific characteristics. The intended vehicle type drives the line selection, making end-use documentation from the buyer or OEM important.
Subheading 6 of 8 in heading 8407
Subheading 840732 · $1.1M of $1.0B
ImportsExports
Imports
$1.1MYoY · free account
Exports
$482KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $22.6M of Spark-Ignition Reciprocating Piston Engines for Vehicles, Over 50 cc to 250 cc and exported $4.7M.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
Japan and China together supply 77% of it. China pays 37.6% duty; Austria 10.0%.
customs district
destination
entry
rate provision · imports
duty collected equals 14.52% 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 |
|---|---|---|---|---|---|
| 8407322080 | Sp-Ig Rec Pst Eng, F Rd Tr, Bus, Auto, Truck, New | $592K | 12.62% | 100.00% | $75K |
| 8407329040 | Sp-Ig Rec Pst Eng, NESOI, Veh 50-250cc N/E 18.65kw | $104K | 27.15% | 100.00% | $28K |
| 8407329080 | Sp-Ig Rec Pst Eng, NESOI, Veh 50-250cc, Exc18.65 Kw | $87K | 12.50% | 100.00% | $11K |
| 8407321000 | Sp-Ig Rec Pst Eng for Agr Tract Gt 50cc Lt= 250cc | $7K | 15.00% | 100.00% | $1K |
| 8407322040 | Sp-Ig Rec Pst Eng for Rd Tr, Bus, Auto, Truck, Used | $4K | 10.00% | 100.00% | $350 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8407325000 | Spark-Ign Reciprocat Piston Eng,(50-250 Cc), NESOI | $360K |
| 8407322000 | Spk-Ign Eng F Rd Tr, Bus, Auto, Truck, (50-250 Cc) | $121K |
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
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