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SITCSection 7
U.S. imports of spark-ignition reciprocating or rotary internal combustion piston engines, n.e.s. (SITC 71381) totaled $45.2M in April 2026, traded with 24 countries.
Importers of Spark-Ignition Reciprocating or Rotary Internal Combustion Piston Engines, N.E.S. paid $9.2M in duties in April 2026 — an effective duty rate of 24% on $39.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Spark-Ignition Reciprocating or Rotary Internal Combustion Piston Engines, N.E.S. imports of $45.2M in April 2026 ran 14% below the year-to-date monthly average of $52.4M.
Last updated: April 2026 dataSpark-ignition reciprocating and rotary internal combustion engines not elsewhere specified encompass a wide range of applications — from small engines for lawn and garden equipment and generators to industrial power units — that do not fit the road-vehicle, marine, or displacement-specific categories defined elsewhere in SITC Division 713. The 'N.E.S.' designation makes residual classification the operative principle: importers must confirm that the engine does not belong to a more specific heading before using this code. EPA non-road spark-ignition engine standards (40 CFR Parts 1054 and 1060) frequently apply to engines in this category.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
In practice, this heading captures spark-ignition engines used in outdoor power equipment (lawn mowers, chainsaws, generators, compressors), small industrial machinery, and specialty vehicles not covered by road-vehicle or marine headings. Wankel rotary engines for non-marine, non-road applications also fall here. The key is that the engine must not fit a more specific SITC 713 category.
The classification process is hierarchical: first check whether the engine meets the displacement threshold for 71321 or 71322 (road-vehicle use), then whether it qualifies as an outboard motor (71331) or other marine propulsion engine (71332). Only after ruling out all more-specific headings should 71381 be used. Manufacturer application documentation and EPA certification category (on-road, marine, or non-road) are the most reliable guides.
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Monthly import values over time