Riding mowers, reel mowers, rotary deck mowers, and robotic lawn mowers for non-agricultural turf management are all captured under SITC 72121, distinguishing them from agricultural harvesting mowers classified elsewhere. Engine displacement and cutting-width specifications are commercially important because they often determine the applicable HTS subheading and, in some cases, exposure to Section 301 tariffs depending on origin. The consumer and commercial segments of this market have distinct supply chains, with professional-grade units typically sourced from different manufacturers than residential models.

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