Fuente: Wipo "precision farming" A variable payload towing vehicle with several storage containers for carrying bulk crop inputs. The storage containers are releasably attached to the vehicle and can be changed based on the type of crop inputs applied and any implements towed by the vehicle. The vehicle is also equipped with high flotation tires or tracks to minimize soil compaction. A delivery system in combination with a control system coordinates the movement of the crop inputs from the vehicle to places located off the vehicle. The vehicle may be equipped with articulated steering and all wheel steering to increase maneuverability.