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model

 

 

XR250

Engine

Model

 

CUMMINS QSM11-C400

Rated Power

KW/rpm

298/2050

Rotary Dvive

Max. output torque

kN·m

250

Rotary speed

r/min

7~22

Max. Drilling Diameter

With casing

mm

2000

Without casing

mm

2500

Max. Drilling Depth

m

70,56

Pull-Down Cylinder

Max. pull-down piston push

KN

200

Max. pull-down piston pull

KN

215

Max. pull-down piston stroke

m

6

Main Winch

Max. pulling force

KN

230

Max. pulling speed

m/min

65

Auxiliary Winch

Max. pulling force

KN

100

Max. pulling speed

m/min

65

Mast Rake

Side/forwards/backwards

 

±8°/5°/15°

Undercarrige

Max. traveling speed

KM/h

1.5

Max. grade ability

%

40

Min. Clearance

mm

425

Track shoe width

mm

800

Distance between tracks

mm

3500~4800

Hydraulic Systerm

Working pressue

Mpa

32

Overall Drilling Weight

t

80

Dimension

Working condition

mm

10670×4800×22922

Transportation condition

mm

17145×3500×3450



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