Abstract: A self-propelled chemical delivery vehicle and dispenser generally for agricultural use includes a frame including first and second vertically spaced support members; a rider support member mounted to the frame; an apparatus for providing motive power mounted to the frame; at least two wheel and tire assemblies, with one of the at least two wheels being a drive wheel, the drive wheel being in communication with the apparatus for providing motive power for application of motive power through the ground contact for vehicle movement with the at least two wheel and tire assemblies being spaced apart in generally longitudinal alignment; and an assembly for directional control of the self-propelled chemical delivery vehicle and dispenser mounted to the frame.