Rock Grinders
Features
- for excavators from 20 to 70 tonnes
- up to 810kW of continuous cutting power!
- full length drum support
- sealed drums to keep wheels balanced
- no gear box
- for roadworks, excavations, demolition
- custom modifications and accessories for special purposes available
Accessories
- custom drums for varied width
- replacement picks
- hydraulic rotator
Specification
Model>> | units | G6 | G7 | G8 |
Excavator Class | tonnes | 20-30 | 30-45 | 40-70 |
Weight (machine only) | kg | 1400 | 1750 | 2150m |
Cutting Head width | mm | 650-1100 | 750-1250 | 900-1500 |
Cutting head diameter | mm | 840 | 960 | 1070 |
No. picks | | to spec | to spec | to spec |
Power - rated | kW | 487 | 420 | 810 |
Torque at 350 bar | Nm | 24 500 | 25 000 | 49 000 |
Rotation speed max. | rpm | 190 | 190 | 170 |
Cutting force at 350 bar | kN | 78 000 | 112 000 | 156 000 |
Oil Pressure max | bar | 420 | 420 | 420 |
Oil flow max at 50 bar | l/min | 1050 | 1695 | 1930 |
Oil flow max at 250 bar | l/min | 1050 | 1695 | 1930 |
Drum support | | full length | full length | full length |
Seal position | | root of drum | root of drum | root of drum |
Seal type | | labyrinth | labyrinth | labyrinth |
Power transmission | | direct coupled | direct coupled | direct coupled |
Origin | | Australia/CR | Australia/CR | Australia/CR |