Tugs and pusher craft are purpose-built for towing and maneuvering other vessels rather than independent cargo or passenger transport, a functional distinction that drives their SITC classification. In US domestic waters, foreign-built tugs face the same Jones Act coastwise restrictions as other commercial vessels, making the market for imported tugs largely limited to export buyers or operators working in international waters. Escort and harbor tugs are critical infrastructure assets for port operations, and their acquisition cycles often track port expansion and LNG terminal development projects. Buyers should evaluate propulsion type — conventional shaft, azimuthing (Z-drive), or voith-schneider — as these affect both classification nuances at the HTS level and vessel valuation.

AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.