Sandvik Construction provides solutions for construction industries in niches such as quarrying, tunneling, demolition, dimensional stone, recycling and civil engineering.

Trimmer DQ440R/ZR Drill rig

Trimmer DQ440R and DQ440ZR are hydraulic, excavator mounted splitting and trimming units for dimensional stone quarries.

Features and benefits:

  • 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
Key Specifications

Frame length

4 600 mm / 15.09 ft

3 500 mm / 11.48 ft

Drilling length

4 200 mm / 13.78 ft

3 100 mm / 10.17 ft

Chain feed 4 x CF 100 x 24
Feed length 3 670 mm / 12.04 ft
Rock drill travel 2 670 mm / 8.76 ft
Hydraulic rock drill 4 x HEX1, 5.5 kW
Flushing air capacity 5 m3/min, up to 8 bar
Drill rod diameters 19 or 22 mm / 3.4" or 7/8"
Control system 4 x TA341E, radio remote
Height with excavator 3.5 m / 11.5 ft
Weight (without options) 4 000 kg / 8 818 lbs

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Sandvik drills in dimensional stone

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