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Hydraulic rotary drilling rig 260 is composed of a CAT 330C special designed heavy duty crawler base, for drilling large or small diameter bored piles, caissons, wells, shafts, with or without casing. Pull down winch, mounted at mast, motor and reducer inside is original from German Rexroth, with wire rope. The rig is sound insulated and controlled from the operator cab of the carrier. and of two drilling application modules for:
-Drilling with telescopic friction or interlocking kelly bars
- CFA drilling application

Specifications of 260 Piling Rigs

Max drilling depth m 70
Max hole diameter mm 2500
Max hole diameter with CFA mm 1200
Max drilling depth with CFA m 22.5
Engine model CAT C-9
Undercarriage CAT 330C
Rated power KW 250
Max pressure of hydraulic system bar 350
Max flow L/min 560
Max torque of rotary head kN.m 265
Rotating speed rpm 6-25
Crowd force of pull down winch kN 200
Max pulling force of pull down winch kN 360
Max lifting speed of pull down winch m/min 7
Wire line of pull down winch mm 22
Stroke for rotary head by pull down winch m 16.5
Max pulling force of main winch kN 248
Max lifting speed of main winch m/min 68
Max pulling force of auxiliary winch kN 120
Max lifting speed of auxiliary winch m/min 65
Max walking speed km/h 2.2
Max climbing gradient 26
Track shoe width mm 800
Track gauge mm 2200-3500
Whole machine weight t 70