Structural Characters:

· Direct input at the end of the crankshaft

· The shell is made of integral nodular cast iron

· The Crankshaft is made of cast alloy steel

· The outboard oil pump is used to lubricate all rotary parts by force and all accessories of the oil pipe are fastened outside the shell so that it is easy to maintain.

· The hydraulic cylinder is made of alloy steel

· The intermediate rod (plunger piston) is connected to the piston rod by clamps.

· At the corners of crankshaft, bearing bush is used to take the place of bearings.