... Cummins Environmental protect six cylinder inner-cooling diesel engine, the vacuum pump can self suction, self discharge. Item Unit ... Cummins Environmental protect six cylinder inner-cooling diesel engine EQB210-20 Displacement/Powerml/kw5880/155210HPVacuum Pump Model ... Capacity Special parts: power take off, transmission axle, vacuum sewage suck pump, hydraulic cylinder, sewage container, discharge ...