GR80 Rotary Drilling Rig

Rotary drilling rig is a holing machinery for foundation construction, it’s the new piling equipment that has been developing the fastest in the last decade, and was praised as the “Green Construction” machinery by the construction industry. Gookma Rotary drilling rig includes 5 models currently, max drilling depth are separately 10m, 15m, 20m, 26m and 32m, max drilling diameter from 1000mm to 1200mm, widely meets various requirements of small and medium piling projects. GR80 rotary drilling rig is developed according to market demand for small and medium construction project for water well drilling and house foundation drilling etc. 

Products Details


Name Rotary Drilling Rig
Model GR80
Engine Model YC6J180L-T21
Power Kw/rpm 132/2200
Hydraulic System Main pump Model K3V112DT
Max pressure Mpa 32
Pressurizing  System Max pressurizing force KN 240
Max pulling force KN 240
Pressurizing cylinder stroke mm (in) 3000 (118.2)
Power                    Head Motor displacement ml/r 107+107
Max output torque Kn.m 85
Working speed rpm 22
High speed mud throwing rpm 65
Chassis Crawler plate width mm (in) 600 (23.6)
Chassis length mm (in) 4550 (179.3)
Traveling speed m (ft) /h 3200 (10500)
Traveling motor model TM60
Mast Left and right inclination degree ±5˚
Front inclination degree
Rear inclination degree 90˚
Main                    Winch Motor model TM40
Max lifting force KN 240
Wirerope diameter mm (in) 26 (1.03)
Wirerope length m (ft) 43 (141.1)
Lifting speed m (ft)/min 85 (278.8)
Auxiliary                     Winch Max lifting force KN 70
Wirerope diameter mm (in) 12 (0.47)
Wirerope length m (ft) 33 (108.3)
Lifting speed m (ft)/min 40 (131.2)
Drill Pipe Locking Pipe mm (in) ø299 (11.8)
Operating                                   Data Max drilling depth m (ft) 26 (85)
Max drilling diameter m (ft) 1.2 (4.0)
Transport Length*Width*Height m                                   (ft) 12*2.8*3.45            (39.4*9.2*11.4)
Weight kg (lb) 28000 (61730)
Parameters are subject to change without prior notice.
 Drilling Depth 26m (85ft) Drilling Diameter 1.2m (4ft)  For Water Well and House Foundation Drilling Big Torque  Strong Power 3 GR80 Rotary Drilling Rig

Features and Advantages:

Gookma rotary drilling rig includes many core technologies, it leads the trend of medium and small rotary drilling machine. 1.High Speed Mud Dumping The high speed mud dumping function is realized through the unique design of the power head. With both strong strength and high speed, it obtains many advantages in all working conditions, working efficiency is 20% higher than other products. High3 2.Visual Human-machine Interface With the visual human-machine interface, the information or working conditions are visual, to make the operation more direct and easy. The core parts have time-delay settings, makes the operation more smoothly, reduce parts shocking, and prolong life of the machine. High2 3.Convenient Maintenance and Repairing Electromechanical design, makes the machine is of easy maintenance and repairing, water proof and safe, and high reliability. 4.Advanced Design The machine is developed by advanced designing software and force analysis software, it can display more directly the stress analysis area of the product structure, so as to optimize the product structure. High4 5.Safety Performance Synchronous operation function of return rope, prevent from laying of drilling tools accidentally. The drill rod equips with anti punching device, which has posterior image function. 6.Economy Efficiency Fast working speed, long life of components, low repairing rate, low fuel consumption, make the machine of superior comprehensive economy efficiency. 7.Fast Delivery Professional manufacturing system ensures the total quality and fast delivery of the machine. High16


Gookma rotary drilling rig is widely applied in many holing construction projects, such as highway, railway, irrigation, bridge, power supply, communication, municipal, garden, house, water well construction etc., and has been enjoying high reputation among customers. High5 High1 High7 High6 High8

Production Line

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Production Video

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