XR280C Rotary Drilling Rig

Model			XR280C
Engine	Model		CAT C9HHP
	Rated Power	KW	261
	Rotary speed	r/min	1800
Rotary Drive	Max.output torque	kN·m	292
Rotary Drive	Rotary speed	r/min	25
Max. Drilling Diameter		mm	Ф2000
Max. Drilling Depth		m	74
Pull-down cylinder	Max. out-down piston push	KN	210
	Max. out-down piston pull	KN	220
	Max. out-down piston stroke	m	6.0
Main Winch	Max. Pulling force	KN	270
	Max. line speed	m/min	60
	The diameter of wire rope	mm	32
Auxiliary	Max. Pulling force	KN	100
	Max. line speed	m/min	65
	The diameter of wire rope	mm	20
Mast Rake Side/forwards/backwards			±5°/5°/15°
Undercarrige	Max. traveling speed	km/h	1.5
	Max. grade ability	%	40
	Min. Clearance	mm	395
	Track shoe width	mm	800
	Distance between tracks	mm	3000～4300
	Track Length	mm	5860
Hydraulic System	Working pressure of the main pump	Mpa	35
	Working pressure of the vice pump	Mpa	28
	Pilot pressure	Mpa	4
Working range（Radius of gyration）		mm	3830～4500
Slewing angle of turntable		°	360
Overall Drilling Weight		t	76
Dimension	Working condition	mm	8735×4300×23089
Dimension	Transportation condition	mm	16220×3000×3445

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