| Parameter |
Type |
CD856 |
CD856A |
| Drilling diameter |
mm |
600-1600 |
600-1600 |
| Max.drilling depth |
mm |
56 |
56 |
| Overall Dimensions |
Working data |
mm |
16950*3200*6720 |
17500*3200*6720 |
| Transport data |
mm |
13350*3200*3200 |
14200*3200*3350 |
| Opearating Weight of total machine |
kg |
38000 |
39000 |
| Engine |
Model |
|
Cummins 6BT5.9 |
Cummins 6BT5.9 |
| Rated power |
kw/rpm |
108/2100 |
108/2100 |
| Type |
|
Turbocharged ,direct-injection |
Turbocharged ,direct-injection |
| Rotary Drive |
Max.torque |
kn.m |
80 |
80 |
| Rotation speed |
r/min |
0-22 |
0-22 |
| Crowd cylinder |
Max.push |
kn |
120 |
120 |
| Max.lift |
kn |
80 |
80 |
| Max.stroke |
m |
2 |
2 |
| Main winch |
Max.line pull |
kn |
120 |
120 |
| Max.line speed |
m/min |
70 |
70 |
| Rope diameter |
mm |
24 |
24 |
| Auxillary winch |
Max.line pull |
km |
60 |
60 |
| Max.line speed |
m/min |
50 |
50 |
| Rope diameter |
mm |
16 |
16 |
| Hydraulic system |
Type of hydraulic pump |
|
2 plunger variable flowpump + 2 gear pump |
2 plunger variable flowpump + 2 gear pump |
| Method of power adjustment |
|
Gross power adjustment + Negative flow control |
Gross power adjustment + Negative flow control |
| Main safety valve adjusted pressure |
|
300Bar |
300Bar |
| Travel axial piston motor |
|
2 Varialbe flow axial piston motor |
2 Varialbe flow axial piston motor |
| Motor for swing |
|
2 Fixed flow axial pistion motor |
2 Fixed flow axial pistion motor |
| Chassis |
Max.travelling speed |
km/h |
3 |
3 |
| Max.grade ability |
40% |
40% |
| Min.ground clearance |
mm |
430 |
430 |
| Width of track shoes |
mm |
800 |
800 |
| Mast Inclination |
|
|
Free adjustment forwards/backwards |
Free adjustment forwards/backwards |
