China Construction Crane Equipment 4ton Low Price Tower Crane for Sale

Tower crane has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism. It is original in design, reliable in operation and satisfactory in shape. Equipped with all necessary safety devices, these cranes show a good speed-control capacity, satisfactory operating stability and high work efficiency.
Top kits tower crane is widely used in infrastructure construction ,high-speed rail,oil fields,large ports,nuclear power,wind power and other construction fields.
>>>Feature
1.Suitable for all kinds of construction project and can work under all kinds of work condition.
2.It has high working speed, good speed-adjusting performance, steady operation and high efficiency.
3.The crane has complete set of safety devices, which can guarantee the safe and high efficienct operation of the equipment.
4.Three-speed motor and mono-speed ratio decelerator are applied in the lifting struction, which enables heavy load low speed and light load high speed.
5.Planet gear decelerator is applied in the circumgy rating structure, together with moment-limiting hydraulic coupler, which can realize high load capacity, steady starting and reliable operation.
>>>Main Parameters

SeriesQTZ40Standard Model4808Max.Lift Load4.0TTip Load0.8TFree Standing Height30MMax.Anchorage Height120MJib Length48MMast Size1.5*1.5*2.2MLift MechanismLifting Speed(a=2)70/35/9(a=4)35/17.5/4.5Lifting Motor15/15/4kwWire rope diameter11mmTrolley MechanismTrolley speed39/26 m/minTrolley Motor1.5/2.2kwSlewing MechanismSlewing Speed0.71 r/minSlew Motor3.7kw*2 UnitsJacking MechanismJack Climbing Speed0.4m/minJack Climbing Motor4kwPower380V/50Hz/3PLuxury Operate Cabin, Schneider Electric Parts

>>>What we can supply

ModelStandard ModelJib Length(m)Tip Load(ton)Max Load(ton)QTZ31.54208420.83QTZ404808480.84QTZ505008500.845010501.04QTZ635010501.055013501.365610561.06QTZ805513551.366010601.066010601.06/8QTZ1256015601.58/10QTZ1606516651.610QTZ2507030703.012QTZ2507030703.016QTZ3157040704.016QTZ3157040704.018QTZ4007055705.025

1- One year warranty for whole machines.

2- Providing free quick-wear part.

3- Low charge for continue maintenance when warranty is expired.

4- Exclusive engineer support at any time.

5- We can provide free training to end-users

6- OEM service is available.

7- We can provide on-site service in some countries and areas where we have overseas office or agents.

>>>Cooperate Case
>>>Packing Transportation

1.What should I supply if I want to know the price?

If you want to send inquiry to us, please supply the following parameters:

A.Tip load and Max. load(Ton) of the tower crane

B.Jib length (m)

C.Height(m)

Then we will supply the price as soon as possible.

Please feel free to contact with us!