Rotary head Boart longyear DB540

N° 1 fully overhauled rotary head make boart-longyear, model DB540

main reductor from Boart longyear with two speeds (low/fast)

External gearbox from Spicer-Dana with 4 mechanical gearbox

Brand new hydraulic piston motor

Floating spindle

Swivel

max torque up to 1100 kgm in 1st speed

max speed up to 600 rpm in 8th speed

possibility to reach 800 rpm

In ready-to-work conditions