Application‑based Class 6 Truck segmentation isolates five principal use‑cases: Delivery, Construction, Utility, Refrigerated, and Mixed‑use. Delivery trucks, optimized for parcel and goods distribution, hold the largest share (≈35 %) due to the surge in e‑commerce and last‑mile logistics. Construction trucks, equipped with reinforced frames and lift‑gate options, account for about 25 % as infrastructure projects drive demand for robust payload platforms. Utility vehicles—servicing electricity, gas, and telecommunications networks—contribute roughly 20 % by leveraging specialized body configurations and off‑road capability. Refrigerated trucks, essential for temperature‑controlled supply chains, represent 12 % of the market, reflecting growth in perishable food and pharmaceutical transport. Mixed‑use trucks, which combine multiple functional modules, occupy the remaining 8 %, catering to niche operators requiring flexibility across sectors. This application taxonomy clarifies how each segment’s operational requirements shape production volumes, pricing dynamics, and after‑market service demand.