YT-400 engineering and water-well drilling rig adopts single hoist set, having large lifting capacity, large module, hyperboloid turntable ensuring the balance of the rig in operating, large torque and using long time, it is used in soil and rock stratum. This type of drilling rig is used in construction of high-rise building, highway and road, bridges, mining, ports, dams 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
Hoist lifting capacity (single rope) (KN)	40
Bearing capacity of hydrant (KN)	240
Matching power of main machine (KW)	30
Working condition (mm)	Use A13 or A15 or A18 type frame
The weight of whole machine (kg)	3190