Vehicle of the van type characterized in that it is equipped an electric current generator (3, 3') to supply a system for cleaning, a total mass on the ground of said electric current generator (3, 3') and said system for cleaning being not exceeding 3500 kg, said vehicle being equipped with: - an engine; - at least one of said electric current generators (3, 3') actuated by a gearbox power-takeoff of the vehicle, said power-takeoff being equipped with an electric connection, said power-takeoff transmitting motion, with a cardan shaft and a belt/pulley transmission, to an alternator placed in a vehicle room, said generator (3, 3') being capable of delivering an apparent power of 30 kVA at 2,000 revolutions of the vehicle engine; and - said system for cleaning, which comprises: - at least one high power pumping unit adapted to pump with high output power water or other similar fluids; - at least one of said electric current generators (3, 3') connected to the high pressure pump for its actuation; - at least one device for regulating the revolutions of the pump, connected to the generator (3, 3') for its control and for regulating the pump so that it delivers water at a pressure ranging from 0 to 500 bar, and a very low flow-rate, from 2 to 4 l/min; - at least one nozzle equipped with at least one rotary head rotated by at least one pneumatic motor; and - at least one air compressor adapted to supply the compressed supply air to said pneumatic motor. - an engine; - at least one of said electric current generators (3, 3') actuated by a gearbox power-takeoff of the vehicle, said power-takeoff being equipped with an electric connection, said power-takeoff transmitting motion, with a cardan shaft and a belt/pulley transmission, to an alternator placed in a vehicle room, said generator (3, 3') being capable of delivering an apparent power of 30 kVA at 2,000 revolutions of the vehicle engine; and - said system for cleaning, which comprises: - at least one high power pumping unit adapted to pump with high output power water or other similar fluids; - at least one of said electric current generators (3, 3') connected to the high pressure pump for its actuation; - at least one device for regulating the revolutions of the pump, connected to the generator (3, 3') for its control and for regulating the pump so that it delivers water at a pressure ranging from 0 to 500 bar, and a very low flow-rate, from 2 to 4 l/min; - at least one nozzle equipped with at least one rotary head rotated by at least one pneumatic motor; and - at least one air compressor adapted to supply the compressed supply air to said pneumatic motor. - at least one high power pumping unit adapted to pump with high output power water or other similar fluids; - at least one of said electric current generators (3, 3') connected to the high pressure pump for its actuation; - at least one device for regulating the revolutions of the pump, connected to the generator (3, 3') for its control and for regulating the pump so that it delivers water at a pressure ranging from 0 to 500 bar, and a very low flow-rate, from 2 to 4 l/min; - at least one nozzle equipped with at least one rotary head rotated by at least one pneumatic motor; and - at least one air compressor adapted to supply the compressed supply air to said pneumatic motor.