Item			Unit	Parameter
Rated load moment			KN.m	860
Max. load			t	8
Max. radius			m	60
Min. radius			m	3
Tip load			t	1.0
Hoisting height	Free standing		m	46
	Attached			150
Hoisting mechanism	Hoisting speed	Falls		2			4
		speed	M/min	80	40	10	40		20	5
		Load	t	2	4	4	4		8	8
	Min. descending speed		M/min	7
	Type of motor			YZRDW250M-4/8
	Power		Kw	30/30
	Rotating speed		R/min	1420/725
Slewing mechanism	Slewing speed		R/min	0.64
	Type of motor			YZR132M2-6
	Power		Kw	2*3.7
	Rotating speed		R/min	908
Trolleying mechanism	Trolleying speed		M/min	48/24
	Type of motor			YDEJ132S-4/8B5
	Power		Kw	4.5/3
	Rotating speed		R/min	1450/720
Jacking mechanism	Rated jacking speed		M/min	0.4
	Rated work pressure		MPa	25
	Power		Kw	5.5
	Rotating speed		R/min	1420
Counterweight	Jib length		m	60				55
	Balanced weight		t	16.8				14.8
Total quality(without balanced weight)			t	44.6
Total power of whole crane			Kw	47.4(including hydraulic system)