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SITCSection 7
U.S. imports of towable air compressors on wheeled chassis (SITC 74317) totaled $10.3M in April 2026, traded with 22 countries.
Importers of Towable Air Compressors on Wheeled Chassis paid $1.3M in duties in April 2026 — an effective duty rate of 13% on $10.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Towable Air Compressors on Wheeled Chassis imports of $10.3M in April 2026 ran 18% above the year-to-date monthly average of $8.7M.
Last updated: April 2026 dataPortable air compressors mounted on a wheeled chassis for towing are purpose-built for construction, mining, pipeline, and infrastructure jobsites where a stationary power source is unavailable. The self-contained, towable configuration — typically diesel-powered — is the defining characteristic that places these units in their own classification rather than with stationary industrial compressors. Their size and weight often trigger additional import logistics considerations, including specialized port handling and oversize freight documentation.
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The heading focuses on the wheeled-chassis, towable configuration rather than the power source. Both diesel-engine-driven and electrically powered units mounted on a towable chassis can fall here, though the engine type may affect which HTS subheading applies and whether additional agency requirements (e.g., EPA engine emission standards) are triggered.
Diesel engines powering portable equipment must comply with EPA nonroad engine emission standards (Tier 4 Final for most power ranges). Importers must confirm that the engine meets the applicable Tier standard and may need to file an EPA Declaration of Conformity at entry. Non-compliant engines generally cannot be legally sold or operated in the US.
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Monthly import values over time