Abstract: A vehicle for collecting and hauling material includes a truck chassis and a detachable truck body/semi trailer. The detachable truck body/semi trailer includes a body having a rear end, a front end, and a bottom surface, a frame coupled to the bottom surface, the frame extending from proximate the rear end to a position spaced a distance from the front end, and an axle mounted to the frame. A coupling assembly couples the truck body/semi trailer to the truck chassis and is movable between a truck body configuration in which the frame abuts the truck frame and articulation of the detachable truck body/semi trailer is prevented and a semi trailer configuration wherein the frame is spaced apart from the truck frame and articulation of the detachable truck body/semi trailer is permitted.