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Doofor DF550L is a high-frequency hydraulic rock drill specially designed for underground production drilling and tunneling. The DF550L has a very low overhead, only 84 mm from the drill center line. The rotation motor of the DF550L can be installed on the right-hand or the left-hand side.
76 MM
17 KW
R32, R38, T38, T45
AIR/WATER
| Nominal power class | 17 kW |
| Percussion pressure | 160 bar |
| (Percussion oil-flow) | (90-120 litres/min) |
| Rotation motor* | 125 cm3 |
| Speed max. | 250 rpm |
| Torque* | 796 Nm |
| Oil flow* | 40 litres/min (max 90 litres/min) |
| Gear ratio | 65/40 |
| Lubrication | Air-oil mist, min. 200 g/h |
| Flushing air pressure. | 5-7 bar |
| Flushing air flow | 4000 litres/min |
| Flushing water flow | 150 litres/min |
| Weight | 152 kg |
*) Motor options are 80 cm³, 100 cm³, 125 cm³, 160 cm³ and 200 cm³ (left-hand side only). Number given is for standard rotation motor (125 cm³) at an intermittent pressure of 275 bar [3989psi].
**) Number given is for standard rotation motor (125 cm³) at an operating pressure of 175 bar [2466psi].
The product is for professional use only, as a component of a hydraulic system.