An article of manufacture for providing a rolling truck bed tray with a folding end is disclosed. The article includes a main tray component with a width that fits within the bed of a pickup truck, a folding extension component coupled to the main tray component by one or more hinges, and a plurality of casters coupled to an underside of the main tray component and the underside of the folding extension component. The folding extension component has an open position in which the main tray component and folding extension component are oriented at a common height above the bed of the pickup truck and a closed position in which the folding extension component is oriented on top of the main tray component.