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JINGTAI SD20A Rotary Drill

Max. Pile Diameter
Max. Pile Depth
Max. Output Torque

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Feature Parameter

SD20A Hydraulic Rotary Drilling Rig, its main
performance reaches advanced level of its same
kind in the world. Its key parts use world famous
products. It can be flexibly operated and has high
efficiency, widely used in the construction of tall
building, bridge and water conservancy.

Parameter

Type	SD20A
Drilling tower
Height of tower (mm)	21500
Weight of base machine(without drilling tools)(kg)	55000
Crowd cylinder
Cylinder stroke (mm)	5700
Cylinder pressure force (kN)	200
Cylinder pulling force (kN)	200
Main winch
Single line pull (kN)	1800
Rope diameter (mm)	26
Line speed max. (m/min)	60
Auxiliary winch
Single line pull (kN)	75
Rope diameter (mm)	18
Line speed max. (m/min)	45
Drilling parameter
Dimensions(mm)
L1	20500
L2	8450
L3	2850
Drilling diameter(mm)
uncased	1800
cased	1500
Length of case(m)
W/O oscillator	H-0.6
With oscillator	H-1.8