Model:LS-545CD Weight(kg/s): 60 Plunger diameter(m/m) :34 Water absorption(L/mm) 40-73 RPM :500-900 Max Pressure(Kgf/cm2) :50 Pressure(Kgf/cm2) : 20-35 Motor horsepower(HP): 3-7.5 Engine horsepower(PS) :5-12 Pulley