KR125A Rotary Drilling Rig,low price,GOOD QUALITY

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●The leading overall  transport full hydraulic rotary drilling rig, can change transport state into  working state rapidly;

●High-performance hydraulic  system and control system in cooperation with Tianjin University CNC Hydraulic  Institute of Technology, which can realize the machine efficient construction  and real-time monitor;

●High security, designed in  strict accordance with European Union safety standards EN791. Meet the  requirements of dynamic and static stability.

■Unique structure of  folding mast can ensure the overall transportation and reduce the transport  size;

■Advanced design of rotary  angle displacement output mechanism and central rotary joint output angular  displacement can get higher reliability;

■Innovative drilling bucket  depth measurement system can show higher accuracy than the average rig;  

■The function of main winch  bottoming protection and priority controlling can make the operation  easier;

■The reversible use of the  driving head’s chain can extend the service life;

■Multi-stage damping  technology of the driving head can ensure the whole construction more  stable;

■The technology of mast  automatic verticality can make the vertical accuracy of the hole higher;  

■The innovative design of  luminous hot wheel can ensure construction in night more safety

■The humanized design of  chassis back can increase storage space efficiently.

New design of two-stage  operating interface can make it more convenient to operate.


Technical specification
Torque125 kN.m
Max. diameter1300 mm
Max. drilling depth37 m(standard)/45 m(optional)
Speed of rotation8~30 rpm
Max. crowd pressure100 kN
Max. crowd pull150 kN
Main winch line pull110 kN
Main winch line speed78 m/min
Auxiliary winch line pull60 kN
Auxiliary winch line speed60 m/min
Stroke(crowd system)3200 mm
Mast inclination(lateral)±3°
Mast inclination(forward)
Max. operating pressure34.3 MPa
Pilot pressure3.9 MPa
Travel speed2.8 km/h
Traction force217 kN
Operating height15000 mm
Operating width2900 mm
Transport height3500 mm
Transport width2900 mm
Transport length13860 mm
Overall weight34 t





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