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CYT-400 engineering and water-well drilling rig adopts large gantry frame which up and down is controlled by mechanical system, double hoist set, large module, hyperboloid turntable, large torque and easy to operate. This type of driller is used in construction of high-rise building, highway and road, ports, dams and large-diameter borehole piles and deep well drilling.

Technical parameters
Drilling depth (m)	400	80
Drilling diameter (mm)	500	1500
Inner diameter of turntable (mm)	500
Turntable rotation speed(forward and reverse) (r/min)	21.5, 38.4, 61
Rated output torque of turntable (KN.m)	15
Main hoist lifting capacity (single rope) (KN)	40
Auxiliary hoist lifting capacity( single rope) (KN)	25
Bearing capacity of hydrant (KN)	240
Matching power of main machine (KW)	30
The weight of whole machine (kg)	4190