Specifically designed to operate in urban contexts can also be used in industrial reality. Operate normally combined using hydrodynamic pumps for the dissolution of muddy buildup and vacuum pumps for suction. Can only be used for the collection and transport of waste liquids with limited presence of fat deposits, or sediments, hydrodynamic and vacuum pumps have limited power. The ns. includes auto company combined with blowdown tanks of varying sizes from 2 to 28 m3 equipped on four-wheel drive vehicles 4 x 4 or 6 x 4 in order to respond to any need of intervention including interventions in flooded areas, dirt roads and not accessible by normal vehicles. For interventions in confined spaces also available media with up to 150 cm width.