Trucks & halftracks are generally used for transporting troops...kubelwagens are also transport vehicles.
Opel Blitz/truck SdKfz 250/halftrack SdKfz 251/halftrack These are the transport vehicles used by the Germans as well as the Kubelwagen. The Opel truck can carry two soldier units or one infantry unit & a Large Artillery unit. The halftracks have the "Fighting Platform" Special Ability, can tow non large Artillery usually, but only one of either infantry or artillery at a time. The Marketplace is the place to look for pieces for sale. Stalker6 usually has several pieces for sale Does this information help you in answering you question?