A multiple purpose dump unit designed to be mounted on a vehicle for hauling, dumping, spreading and the collection of refuse as well as for distributing salt, sand and other aggregates. The unit has a single dump body with a sloping, fixed endgate and a longitudinally extending conveyor along the open bottom of the dump body, and the unit is provided with a spreader mechanism at the exit gate from the conveyor to facilitate spreading of salt, sand and other aggregates. The unit is pivotally mounted near its rear end so that it can be lifted by hydraulic cylinders for dumping, spreading aggregate, asphalt, etc. The dump unit can be sized so that the vehicle can navigate narrow streets and alleys and is mounted at a height and with sides of a height to meet the requirements for manual refuse loading.