FMLDRILLING

XR 420E

It’s applicable for concrete cast in situ pile for foundation construction such as urban construction,railway,highway,bridge,subway and building.

Specification Unit Value
Engine
Model - X15
Rated Power kW 399
Rotary Drive
Max. output torque kN﹒m 430
Rotary Speed r/min 6-27
Max. Drilling Diameter mm Ø2500
Max. Drilling Depth m 106
Crowd Cylinder
Max. pull-down piston push kN 360
Max. pull-down piston pull kN 400
Max. pull-down piston stroke m 6
Crowd Winch
Max. pull-down piston push kN 400
Max. pull-down piston pull kN 400
Max. pull-down piston stroke m 13
Main Winch
Max. pulling force kN 400
Max. line speed m/min 60
Auxiliary Winch
Max. pulling force kN 100
Max. line speed m/min 41
Mast Rake (Slide/forwards/backwards) ° ±5°/5°/15°
Undercarriage
Max. traveling speed km/h 1.3
Max. grade ability % 35
Min. clearance mm 450
Track shoe width mm 800
Distance between tracks mm 3500-4900
Hydraulic System
Working pressure MPa 33
Overall Drilling Weight t 115
Dimension
Working condition mm 10870×4900×25820
Transportation condition mm 20650×3500×3845