Boart Longyear DB 520

N° 1 drilling rig, make Boart Longyear, model DB520, crawler mounted

Diesel engine Deutz, model f4L912 with 72 Hp

feed travel for 3 mt long drill rods

Max pull back force: 3,9 tons

Rotary head with max torque 600 kgm and max speed up to 500 rpm

Top mounted hydraulic drifter.

Double clamp with max passage 250 mm

Full automatic SPT with anvil 62,5 kg and 30" stroke

Winch

mast extension

Triplex soil investigation pump: max delivery 140 lT/1' and pressure 60 bar

Overhauled and repainted

In ready-to-work conditions

Visible at our workshop

Price on request