Establishments classified here at the six-digit level manufacture transmissions and power train assemblies—including manual and automatic gearboxes, transfer cases, CV joints, and propeller shafts—as their primary activity. The electrification of vehicle platforms is driving significant product-mix shifts: traditional multi-speed automatic transmissions are giving way to single-speed EV reduction gearboxes and integrated e-axle assemblies, altering both the supplier landscape and the relevant HTS tariff lines. Section 232 tariffs on steel and aluminum inputs add a layer of cost management complexity for manufacturers sourcing castings and forgings internationally.

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