Imported Cummins engine,conforming to the emission standard of Europe II.With electronic automatically adjusting fuel consumption according to engine load,automatically idling and accelerating,reducing fuel consumption and noise.Advanced reliable hydraulic controlling system high quality hydraulic parts.Safety and comfortable working environment.Ultra low vibration and noise.Effective space enhance than before.Entirely strengthen framework insurance for the best strong digging force.High strength and stability track frame.Improved rigidity of swing platform.Intensive design of working equipment,improve rigidity and intension,insure the operation well-off after improving digging force.