●  It is economical and efficient, mainly used in media and small-diameter pile civil construction;
●  Diesel engine has load induction and output power auto-control; the fuel consumption drops 5-10%;
●  5-level anti-vibration technology absorbs drilling vibrational frequency all-directionally to guarantee high stability;
●  The special lubricating system makes sure that it can work under high-temperature environment;
●  The removable and symmetrical structure design doubles the service life of rotary drive key;
●  Crowd cylinder has two operation modes-normal lifting and fast lifting to improve push efficiency; 
●  Optional chassis incline alarm enhances construction safety;
●  Mast verticality auto-adjusting technology promises the pile accuracy.