Model

ZJ70DB

ZJ70D

ZJ70LDB

Drilling depth

(ft)

4¹/₂″DP

23000

5″DP

20000

Max hook load (lbf)

1011600

Hook speed (ft/s)

0～6

0～5

0.66～5

Mast effective height (ft)

148

Mast type

K type

Drill floor height (ft)

35

35

35

Substructure type

Swing up

Swing up /sling shot

Swing up

Engine type

CAT3512B generator set

CAT3512B generator set

A12V190PZL-3

Engine power (hp × set)

4×1757

4×1757

3×1421

Drive ways

VFD drive

DC drive

VFD drive + mechanical

Transmission box model

ZLQ70DB

ZLQ70D

Coupler YOZJ750

Traveling system

7×6

Drawworks

JC70DB

JC70D

JC70LDB

Drawworks power (hp)

2000

2000

2000

Main brake

Disc brake

Auxiliary brake

Motor resistance brake

DWS70

DWS70

Drilling line diameter (in)

1 1/2”

Hook block

YC450、DG450

Swivel

SL450

Rotary table

ZP375

Mud pump power (hp×set)

1600×3

Nominal working pressure of hydraulic system (psi)

2000

Max. working pressure of air system (psi)

145