It is the perfect range of public works, equipped with rotor identical to that of the BPM, crusher OBL' X works on 1.41ft depthes. As on the BPM the coeducation wood and stone is confirmed.
This driving is done by a vertical gearbox mounted on shock absorber. It allows to cross a maximum of power (600HP without damaging the penetration. Anvils are hydraulical adjustable with security. The back skates control with oil power the working depth.