Hot Sell 70 Ton Rotary Drilling Rig for Sale (SR250)

It is economical and efficient, mainly used in 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;
The rig balance monitoring system can be ordered to enhance construction safety.

High stability
Large triangle boom mechanism, the stability is increased by 12%.
Strong power
Maximum pile diameter of 2.5m, maximum drilling depth of 96m;
Self-adaption technology
Torque, rotation speed and crowd force can be matched automatically.
The new generation of rotary drive
Features long service life and great shock absorbing ability, the service life of Kelly bar is increased by 10%.
The new chassis
The engine output power is increased to 305KW. Great power, low vibration and high durability ensure high and reliable power.
 
Specifications:
Max. Pile Diameter: 1500mm
Max. Pile Depth: 96/65m
Max. Output Torque: 150kN.m