... of three parts: power side, slow down boxes, hydraulic components side. It is the biggest brake horsepower to 600BHP (450KW ... different requirements of the pressure and displacement.3.Packing optional components, valve train, exhaust flange, sinks, such as sunction pipes ... that the size of pumps to reduce weight.5.Main components: bearings, piston, seals, crankshaft W, springs, all imported cases ...