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Boart Longyear Nenzi DB520

Class weight: 6 tons

Soil investigation rig

Crawler mounted

Diesel engine Deutz 4 cylinder

Feed travel for 3 mt long drill rods

Max pull back force: 4000 kg

Rotary head with 500 kgm torque; 8 speeds. Max speed up to 550 rpm

Double clamp with max passage 203 mm

Hydraylic winch

Used, fully overhauled and repianted

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