Technical specification datasheet for the Sandvik DD311-40C hydraulic jumbo drill, covering dimensions, performance parameters, and optional features.
The Sandvik DD311-40C is a single-boom electro-hydraulic jumbo designed for fast and accurate drilling in drifting and tunneling applications with cross sections up to 40 m². It serves as the successor to the DD310 model, offering easier maintenance and improved efficiency through its hydraulic controls.
| Coverage area | 40 m² |
|---|---|
| Hole length | Up to 4,660 mm |
| Total weight | 15,500 kg |
| Percussion power | 20 kW |
| Powerpack | HPP555 (55 kW) |
| Diesel engine power | 62 kW |
The maximum hole length is up to 4,660 mm.
The minimum drift size required is 3,000 mm x 3,000 mm.
The total weight is 15,500 kg depending on options.