The Bitimec designed Polivac Vacuum system is by far the most economical way of removing wastewater from railcar WCs. The unit is completely autonomous and diesel powered. Collection is fast and hygienic as a 0.85 bar vacuum is generated in the main 1000L tank. The Polivac also has applications with contract washers for trucks and buses for waste water collection, chemical spills cleanup, and any requirement needing mobile strong liquid suction with a large holding capacity. Available both with Diesel or electric engine.