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QTZ50P(PT4810) topless tower crane is the smallest flattop tower crane that we can produce, easy installing and dismantling mast section use angle steel 160*160*14, size of mast is 1.618*1.618*2.5m.
Max. Load: 4t
Tip load: 1t
Jib length: 48m
Mast section: 1.618*1.618*2.5m
Free standing height: 40m
Max. Height: 120m.

QTZ50P(PT4810)  Topless tower crane
rated  lifting  moment		KN. M	590
Max.   load		T	4
Boom  length		M	3~48
Tip  load		T	1.0
Hositing  height	Independent	M	40
	Attached	M	120
Hositing  speed	2  falls	70/35/10
	4  falls	35/17.5/5
Trolleying  speed		M/MIN	23/35
Slewing  speed		R/MIN	0.71
Climbing  speed		M/MIN	0.4
Structure  self-weight		T	23.008
Total  installed  capacity		KW	26.5
Balance  weight		T	8
Working  temperature		Degree	-20~40
Working  voltage		V	380± %5
Max  working  wind  pressure		N/M2	250