Sandvik DD421
Model
Twin Boom Jumbo
Model
- 10/16 split feeds standard
- /14 split feeds available
Key Features
- Coverage: 60m²;
- Percussion power: 25 kW;
- Percussion pressure: Max 235 bar;
- Percussion rate: 93 Hz;
- Rotation speed: max. 400 rpm (with OMS80);
- Rotation torque: 400Nm (with OMS80);
- Hole diameter: 43 - 127 mm;
- Hole length: up to 4660 mm (exclusive extension rod).