Sandvik DQ440ZR is hydraulically operated, excavator mounted splitting and trimming unit for dimensional stone quarries.
For ease of operation and for enhancing productivity DQ440ZR includes feature rich drilling automation. This enables operator to choose from different drilling modes. In automatic mode DQ440ZR drills whole line of holes completely automatic. With semiautomatic holes are drilled automatically but side movement and hole spacing is handled by operator. In manual mode all functions are controlled by operator.