AC-SCR-DC, one to two, digital electric control system; Drawworks, rotary table and mud pump can realize smooth speed change to provide good operation character, Start smooth and steady, high efficiency, and distribute load automatically.

Drilling rig model: RT40D

Nominal drilling depth: 5in DP 1900-3200m;4 1/2inDP: 2500-4000m
Max.hook load: 2250Kn
Line strung of hoisting load system: 5X6
Wrie line dia.: Ф32mm
Max pull of fastline: 280Kn
Max input power of drawworks: 440kw
Drawworks speeds: 4F+4R Smooth change
Primary brake: Hydraulic disc brake
Aux. brake: Eddy brake
Drum size(D×L): 660x1170mm
Hook hoisting speed: 0-1.4m/s
Opening of rotary table: 698.5mm
Rotary table speeds: 2F+2R Smooth change
Rated input power of rotary table: 437Kw
Max. static load of rotary table: 2250Kn
Max.torque of rotary talbe: 27500N.m
Rotary talbe speed: Smooth change
Mast type: K type
Mast effective height: 43m
Height of monkey board: 24.5,25,5,26,5 m
Monkey board capacity(5″DP): 4000 m
Substructure type: Slingshot
Drill floor height: 7.5m
Drill floor area(L×W): 10.8×9.5m
Clear height under rotary beam:6.3 m