XCMG XR120 Rotary Drilling Rig XCMG XR120 Rotary Drilling RigTechnical Features:1. Telescopic crawler chassis, box type frame, suitable ... vertical rake, and automatic alarming system in case of failures.5. GPS global positioning system, remote data analysis, remote real time ... 60Max. pulling speed m/min ≥70Mast Rake Side/forwards ±3°/5°Undercarrige Max. traveling speed KM/h 2.0Max. grade ability ...