Model

ZJ20/1580CT

ZJ30/1700CT

ZJ30/1700DT

ZJ40/2250CT

ZJ40/2250DT

Type

Trailer Mounted

Trailer Mounted

Trailer Mounted

Trailer Mounted

Trailer Mounted

Drilling Depth (ft)  41/2”DP

6,600

9,800

12,000

13,000

13,000

5”  DP

5,900

8,200

8,200

10,000

10,000

Max. Hook Load (lbs)

350,000

400,000

400,000

500,000

500,000

Hook Speed (ft/s)

0.65~4.92

Mast Height (ft)

114/118/125

Mast type

Telescoping

Telescoping

Telescoping

Telescoping

Telescoping

Substructure Height (ft)

14.76

19.68

18.06

19.68

19.68/21.98

Engine Model

C18

2×C15

3508B+SR4B

2×C18

3508B+SR4B

Engine Power (HP)

630

2×540

2×1341+804

2×630

2×1676+804

Transmission

S6610HR

2×S5610HR

2× S6610HR

Transmission Type

Hydra.+ Mech.

Hydra.+ Mech.

VFD/SCR

Hydra.+ Mech.

VFD/SCR

Traveling System

5×4

6×5

5×4

6×5

6×5

Main Drilling Line Dia.(in)

2001/1/8

2001/1/4

2001/1/4

2001/1/4

2001/1/4

Hook-Block Model

YG160

YG180

YG180

YG225

YG225

Swivel Model

SL160

XSL225

XSL225

XSL225

XSL225

Rotary Table Model

ZP175

ZP275

ZP205

ZP275

ZP275

Drawworks Model

JC20

JC30

JC30

JC40

JC40

Main Brake

Disc

Disc

Disc

Disc

Disc

Auxiliary Brake

224WCB

324WCB

DWS40

236WCB

DWS40

Mud Pump Power (HP/set)

791

791/2

1000/2

1287/2

1287/2

Working Pressure of  Hydraulic System (psi)

2,000

2,000/3,000

Working Pressure of  Air System (psi)

145