Sandvik Trimmer DQ440 and Trimmer DQ440ZR are hydraulic, excavator mounted splitting and trimming units for dimensional stone quarries.
Equipped with four rock drills for extreme productivity and high utilization
Stiff drilling frame ensures parallelism of drilled holes
Full drilling automation with three modes for even hole spacing and high drilling performance gives invicible block quality
Radio remote control and advanced drilling automation ensure operators' working ergonomy
Sandvik DQ440 is hydraulically operated, excavator mounted splitting and trimming unit for dimensional stone quarries. For ease of operation and for enhancing productivity DQ440 includes feature rich drilling automation. This enables operator to choose from different drilling modes. In automatic mode DQ440 drills whole line of holes completely automatic. With semi-automatic holes are drilled automatically but side movement and hole spacing is handled by operator. In manual mode all functions are controlled by operator.