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SITCSection 7
U.S. imports of parts of trailers, semi-trailers, and non-mechanically propelled vehicles (SITC 78689) totaled $110.5M in April 2026, traded with 54 countries.
Importers of Parts of Trailers, Semi-Trailers, and Non-Mechanically Propelled Vehicles paid $29.4M in duties in April 2026 — an effective duty rate of 30% on $97.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataReplacement and original-equipment parts for camping trailers, semi-trailers used in goods transport, and other non-self-propelled vehicles are grouped under this heading, making correct component-level classification critical for importers supplying the RV, trucking, and specialty trailer aftermarkets. The breadth of the heading — spanning housing/camping trailers through freight semi-trailers — means that part identity (axle assemblies, hitches, landing gear, body panels) must be matched against the parent vehicle type to avoid misclassification. Duty exposure can vary meaningfully depending on whether a part is destined for a camping trailer versus a commercial freight semi-trailer.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
When a component is genuinely interchangeable between vehicle types, classification typically follows the principal use or the importer's documented commercial intent. A licensed customs broker can apply the General Rules of Interpretation and relevant CBP rulings to determine the correct heading, since the duty rates and any trade-remedy exposure may differ between trailer categories.
Axles, hitches, and similar structural components for trailers and semi-trailers generally fall within this heading when they are dedicated parts of those vehicles. However, generic axle or suspension components that serve multiple vehicle types may be pulled into broader parts headings. Binding ruling requests to CBP are advisable for high-volume shipments where the classification is ambiguous.
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Monthly import values over time