A vehicle assisted working device for cleaning streets and similar surfaces includes at least one brush for detachment of the extraneous material from the surface, element for providing an underpressure for a suction of the detached material into the air flow from the surface, units for separating the detached material from the air flow and for providing an overpressure and return of the separated air to the surface. At least one brush is arranged to rotate counter-wise to the intended direction of movement of the working device, so that the element are ordered in such a way that when the working device is intended to move over a spot to be cleaned, it treats the spot in the following order: suction of the extraneous materials, at least one brush and mechanism for return of the separated air to the surface. Also disclosed are a system and method for cleaning.

An improved sweeper and frame for a utility task vehicle includes a mounting frame which is attachable/detachable to the rear portion of the vehicle allowing detachment/attachment of the box portion of the vehicle as needed. The utility task vehicle mounting frame may be coupled with a lifting system to allow hydraulic aided dumping of the debris collection box of the sweeper system.