Sinomach Brand new 21 tons Digger Excavator Zg3210-9c 

Powerful and high-efficiency engine
1)  Cummins engine combines light weighr,strong power and low fuel consumption, low vibration.small noise, comfort and environmental protection.
2 )  Advanced full-power and load -sensing control system with less power loss can ensure working devices in order while under complex working conditions.
 
Speed and Reliability
1) New design of hydraulic system leads to faster response.
2) Compact layout  of hydraulic components with less joints leads to less failures ,higher reliability , better efficiency and energy-saving
 
Technology and energy conservation
 
Highly intelligent electronic  monitoring system can adjust engine speed according to load ,save fuel and reduce loss of power.
 
Sophistication and Comfort
1) Ergonomics-oriented cab boasts beautiful appearances ,big space,good vision and ventilation.
2) Adjustable seat is capable of every gesture.
3) Air conditioner create comfortable operation condition.