TR 250 rotary Drilling Rig
Model TR 250
Max drilling depth m 80
Max hole diameter mm 2500
Engine model CAT C-9
Rated power KW 261
Max torque of rotary head kN.m 250
Rotating speed rpm 6~27
Max crowd force of cylinder kN 180
Max extraction force of cylinder kN 200
Max stroke of crowd cylinder mm 5300
Max pulling force of main winch kN 240
Max pulling speed of main winch m/min 63
Wire line of main winch mm Φ32
Max pulling force of auxiliary winch kN 110
Max pulling speed of auxiliary winch m/min 65
Wire line of auxiliary winch mm Φ20
Mast side raking o 6
Mast forwards o 5
Mast backwards o 15
Undercarriage CAT 330D
Max traveling speed km/h 2.2
Max climbing gradient o 26
Track shoe width mm 800
Overall width in transport mm 3000
Overall height in transport mm 3369
Overall width in working mm 4300
Overall height in working mm 21930
Whole machine weight t 68