4011.20 - Of a kind used on buses or trucks:

This HTS category, 4011.20, encompasses new pneumatic tires specifically designed for use on buses and trucks. These tires are characterized by their construction from rubber and their intended application in vehicles that transport significant cargo or a large number of passengers. The design and construction of these tires are optimized for the higher load capacities, greater distances, and varied road conditions typically encountered by commercial vehicles.

Distinguishing 4011.20 from its siblings is crucial for accurate classification. Unlike tires classified under 4011.10, which are for passenger cars, or 4011.30, intended for aircraft, these tires are engineered for the robust demands of road-based commercial transportation. Similarly, they differ from tires for motorcycles (4011.40), bicycles (4011.50), or agricultural machinery (4011.70), each of which has specific design requirements tailored to their unique operational environments and load profiles.

Within the 4011.20 category, further differentiation is made by construction type. The subcategories, 4011.20.10 for "Radial" tires and 4011.20.50 for "Other," highlight a key distinguishing feature in tire technology. Radial construction, where reinforcing cords run perpendicular to the tire's direction of travel, is a prevalent design for modern truck and bus tires due to its benefits in durability and fuel efficiency. The "Other" classification captures any pneumatic tires for buses or trucks that do not utilize radial construction, ensuring all relevant products are accounted for.