This cow milking system comes with a quick and simple piston pump. It also has a capacity of 30 liters and is made of aluminum, 18 liter vacuum tank, 70mm dry or 200-230 L/min oil type pump, 240CC plastic milk claw, 4 x rubber liners, 4 x optional teat cup shell, 0.55kW 1450 rpm motor, 200V power.