XR220A

XR250

XR280

Engine

Model

CUMMINS 6CTAA8.3-185

CUMMINS 6CTA8.3-C240

CUMMINS M11-C330

CUMMINS QSL-325

CUMMINS QSM11-C400

CUMMINS QSM11-C400

Rated Power

KW/rpm

138

177

246/2100

242/2100

298/2050

298/2050

Rotary Dvive

Max. output torque

kN·m

120

160

200

220

250

280

Rotary speed

r/min

8～26

8～26

7～22

7～22

7～22

7～22

Max. Drilling Diameter

With casing

mm

Ф1500

Ф1200

Ф1500

Ф1500

Ф2000

Ф2000

Without casing

mm

Ф1600

Ф2000

Ф2000

Ф2500

Ф2500

Max. Drilling Depth

m

51,41

54,42

60,48

67,53.5

70,56

114

Pull-Down Cylinder

Max. pull-down piston push

KN

114

160

180

200

200

210

Max. pull-down piston pull

KN

148

180

180

200

215

220

Max. pull-down piston stroke

m

3.8

5.0

5.0

5.0

6

6.0

Main Winch

Max. pulling force

KN

135

150

180

230

230

Max. pulling speed

m/min

≥70

80

≥65

≥65

≥65

≥60

Auxiliary Winch

Max. pulling force

KN

60

75

80

80

100

Max. pulling speed

m/min

≥70

≥70

≥60

≥60

≥65

≥65

Mast Rake

Side/forwards/backwards

±3°/5°

±5°/5°/15°

±8°/5°/15°

±5°/5°/15°

±8°/5°/15°

±4°/5°/15°

Undercarrige

Max. traveling speed

KM/h

2.0

2.0

1.5

1.5

1.5

1.5

Max. grade ability

%

40

40

40

40

40

40

Min. Clearance

mm

352

460

468

428

425

425

Track shoe width

mm

700/800

600

800

800

800

800

Distance between tracks

mm

2250～3300

2340～3340

3500～4400

3500～4400

3500～4800

3500～4800

Hydraulic Systerm

Working pressue

Mpa

30

30

30

32

32

32

Overall Drilling Weight

t

41.5

56

68

70

80

82

Dimension

Working condition

mm

7310×4000/

4100×17260

8105×3940

×18230

10200×4400

×20850

10260×4400

×22043

10670×4800

×22922

10670×4800

×23164

Transportation condition

mm

13200×2995/

3050×3460

13645×2940

×3380

15700×3500

×3350

16355×3500

×3457

17145×3500

×3450

17380×3500

×3494