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RT40D

RT50D

RT70D

Nominal Drilling Depth, m

127mm(5＂) 

Drill Pipe

2000~3200

2800~4500

4000~6000

114mm(4 1/2＂) 

Drill Pipe

2500~4000

3500~5000

4500~7000

Max Hook Load，kN

2250

3150

4500

Drawworks Power，kW

800

2×800

2×800

Mud Pump Power，kW

2×956

2×1176

3×1176

Rotary Table

ZP275

ZP375

ZP375

Mast

Type

K/Kc

K/Kc

K/Kc

Clear Height，m

43/44

45

45

Substructure

Type

Sling-shot

Sling-shot/ Swing-lift

Drill Floor Height，m

7.5

9

9/10.5

Clear Height，m

6.3

7.6

7.6/9.0

Drive Mode

AC-SCR-DC

Power package，kW

3×1000

3×1310

4×1310

Notes: K/Kc: Front-open Mast/ Front-open vertical raising mast.