China 4t Tower Crane Qtz4810 Jib Length 48m

4t Tower Crane Qtz4810 Jib Length 48m
We started manufacturing tower cranes from the very year our firm founded in 2001. And now can offer tower cranes with a maximum lifting load form 2.5t to 16t, which is from QTG25, QTZ25, QTZ31.5, QTZ40, QTZ63, QTZ80, QTZ100, QTZ125, QTZ160 and QTZ260, to meet the demand of various kinds of customers in different construction works.
With climbing cage, our crane can change the height itself by adding and reducing its standard sections.
And the same tower crane can have different lengths of jib with different quantities of jib sections. We will offer the drawing of the same when the goods are delivered.
The pedestal can be fixed type of crossing beams and can also be with counterweight to save the space.
Our tower crane with drivers cabin with electric fans or air conditioners according to customers requirements.
For the safety, we can also offer indicator to show the load and height data of crane in service.
Mechanism Operation LevelLifting MechanismM5Slewing MechanismM4Trolley Traveling MechanismM4Rated torque kn.m500Working range (m)
Maximum Working Range48Minimum Working Range3Lifting height (m)Free-standWith wall-tie-ins30120Max lifting load (t)4Lifting MechanismMotor typeYZTD200L -4/8/24Multiplying factora = 2a = 4Lifting capacity/velocity
t/(m/min)0.8/642/322/91.6/324/164/4.5Power (kw)15/15/4Trolley Traveling MechanismMotor typeYDEJ100 L -4/6Velocity m/min22/33Power (kw)2.2/1.5Slewing MechanismMotor typeYZR132M2-6Velocity m/min 0.6Power kw3.7Climbing MechanismVelocity m/min0.4Working pressure (mpa)20Power kw4Total power (kw)20.9(exclude climbing mechanism)CounterweightMax working range (m)484236Weight (t)7.76.8656.03Working temperature (ºC)-20~+40