9902.17.01 - Used gear boxes for the vehicles of subheading 8701.20 or heading 8704 (provided for in subheading 8708.40.11)

This HTS category, 9902.17.01, covers used gearboxes specifically intended for heavy-duty vehicles. The vehicles in question are those classified under subheading 8701.20 (special purpose motor vehicles, e.g., tractor units) or heading 8704 (motor vehicles for the transport of goods). Importantly, these gearboxes are the type that would otherwise be classified under subheading 8708.40.11, indicating they are parts and accessories for the motor vehicles of heading 8701 to 8705. This classification is specific to used gearboxes and falls under Chapter 99, which pertains to temporary legislation and modifications.

Unlike the main chapters of the HTS which classify goods based on their inherent nature and origin, this Chapter 99 classification is driven by temporary legislative provisions. Therefore, the primary distinction from sibling categories within Chapter 99 would be the specific product and the underlying temporary legislation that mandates its separate classification. For example, other Chapter 99 headings might cover temporary tariff reductions or additional import restrictions on different categories of goods. The key defining feature of 9902.17.01 is its focus on used gearboxes for specified vehicle types under a temporary trade or legislative provision.

As this is a leaf node, there are no further subcategories within this specific HTS code. Classification decisions under this heading will therefore rely on accurately identifying the origin of the used gearbox and confirming its intended application for vehicles falling under subheading 8701.20 or heading 8704, and its correspondence to the underlying classification of 8708.40.11. The "used" nature of the gearboxes is a critical factor for classification under this temporary provision.