XR280D Rotary Drilling Rig

Model			XR280D
Engine	Model		CUMMINS QSM11-C400
Engine	Rated power	KW	298
Drill unit	Max. output torque	kN.m	280
Drill unit	Rotary speed	r/min	7～22
Max. drilling diameter		mm	Φ2500
Max. drilling depth		m	Standard configuration74(friction drag×5)
			optional configuration88(friction drag×6)
			optional configuration58(lock×4)
Pressurized cylinder	Max. pressure	KN	210
	Max. hoisting power	KN	220
	Max. stroke	m	6
Main winch	Max. hoisting power	KN	260
Main winch	Max. hoisting speed	m/min	60
Auxiliary winch	Max. hoisting power	KN	100
Auxiliary winch	Max. hoisting speed	m/min	65
Mast obliquity	Sidewise/forwards/backwards		±4°/ 5° /15°
Chassis	Max. travel speed	KM/h	1.5
	Max. gradeability	%	35
	Min. ground clearance	mm	445
	Track shoe width	mm	800
	Max. track width	mm	3500～4800
Hydraulic system	Working pressure	Mpa	32
Overall operating weight		t	82
Dimension	Working condition	mm	10392×4800×23040
Dimension	Transportation condition	mm	17380×3500×3573

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