QTZ125 tower crane's main technical parameters:

Model		QTZ125
		6510	6018	6015
Maximum rated torque(KN.m)		1250	1250	1250
maximum lifting load (t)		8	8月10日	8/10
maximum working amplitude (m)		3-65	3-60	3-60
hoisting height (m)	independent	50	50	50
	attached	190	150	150
payload capacity at maximum amplitude (t)		1	1.8	1.5
hoisting speed  m/min	a=2	100/50	100/50	100/50
	a=4	50/25	50/25	50/25
radius changing speed  m/min		60/30/8	60/30/8	60/30/8
swiveling speed  (r/min)		0.62	0.62	0.62
raising speed  (m/min)		0.4	0.4	0.4
dead load (t)		58/116	58/116	58/116
top boom of lifting beam		∟100×8 fasterner  Q235B	∟100×8 fasterner  Q235B	∟100×8 fasterner  Q235B
standard knot dimensions (mm)		1.835×1.835×2.5	1.835×1.835×2.5	1.835×1.835×2.5
matching motor
materials of main limbof tower body		∟125×14fasterner	∟125×14fasterner	∟125×14fasterner
		Q345	Q345	Q345
parallel height of lifting beam		1370	1370	1370