Products / Drilling / Rotary drilling rig / XR280D Parameters Max.Drilling Diameter Item Unit Value Uncased (mm) — φ2500 Cased (mm) — φ2200 Max.Drilling Depth m 88
Dimension Item Unit Value Working condition L × W × H mm 10770×4800×23146 Transportation condition L × W × H mm 17380×3500×3520 Overall Drilling Weight — 83
Engine Item Unit Value Model — CUMMINS QSM11-C400 Rated Power kW 298/2100
Hydraulic System Item Unit Value Working pressure MPa 35
Rotary Drive Item Unit Value Max. output torque kN.m 280 Rotary speed r/min 6~22 Spin off speed r/min 90
Pull-Down Cylinder Item Unit Value Max.pull-down piston push kN 210 Max.pull-down piston pull kN 220 Max.pull-down piston stroke mm 6000
Crowd Winch Item Unit Value Max. pull-down piston stroke mm 6000
Main Winch Item Unit Value Max.pulling force kN 260 Max. single-rope speed m/min 60 Diameter of the steel wire rope mm 32
Auxiliary Winch Item Unit Value Max. Pulling force kN 80
Drilling mast Item Unit Value Left/right inclination of mast ° 42464 Front inclination of mast ° 5 Rotary table slewing angle ° 360
Traveling Item Unit Value Max. traveling speed km/h 1.5 Max.grade ability % 35
Crawler Item Unit Value Track shoe width mm 800 Distance between tracks mm 3500~4800 The length of crawler mm 5052 Average ground pressure kPa 102
