Model (DTH drilling rigs )

HC725B0

HC725B1

HC725B2

Rock hardness

6~20

6~20

6~20

Hole diameter (mm)

83~105

83~105

83~115

Drill depth(m)

25

25

30

Climb ability

25°

25°

30°

Feeding mode

cylinder

cylinder

cylinder

Feeding stroke (m)

2

2

2

Max. Lifting force (kN)

12

12

15

Rotating torque (N·m)

1900

1900

2000

Rotating speed (r/min)

0~100

0~120

0~100

Working pressure(Mpa)

0.6~1.6

0.5~1.4

0.7~1.6

Air consumption(m3/min)

7~12

7~12

7~14

Power of engine(KW)

40

40

40

Drill boom-oscillation angle

Left32° Right17°

Left92°- Right12°

Left92° Right12°

Walking speed(km/h)

2

2

2

Distance off ground(mm)

300

300

300

Overall dimension(mm)

4250×1980×2260

4530×2100×2260

5400×2100×2250

Whole weight(kg)

3000

3200

4100

EXW Price(US $)

$9990

$10900

$12700