4ton VF electric self-rising tower crane

1.top 10 in China., 2.4ton VF electric self-rising tower crane, 3.with BV certification - details see: https://www.machineto.com/4ton-vf-electric-self-rising-tower-crane-10103816
Feature:Tower CraneCondition:NewApplication:various construction plantMax. Lifting Load:4T
Max. Lifting Height:136mSpan:47mPlace of Origin:Hunan China (Mainland)Brand Name:CCBT
Model Number:QTZ40B(TC4708)Certification:BV certificationWarranty:One yearAfter-sales Service Provided:Engineers available to service machinery overseas
color:yellowstationary height:34mtip load:0.8TMax. load:4T
Max. range:47mcounter weight:8.30T  
4ton VF electric self-rising tower crane
contact supplier for 4ton VF electric self-rising tower crane


QTZ series of tower crane is one of CCBT’s leading products. With the working radius varying from 30m to 60m, QTZ tower crane is famous for its large operating ranges, varied working methods and wide uses. This series of tower crane has a horizontal jib frame, a jib trolley radius-changing mechanism. It is original in design, reliable in operation and satisfactory in shape. Equipped with all necessary safety devices, it shows a good speed-control capacity, satisfactory operating stability and high work efficiency. It can be widely used for the construction of high-rise hotels, residential buildings, high-rise industrial buildings, large-span factory building and tower-like buildings like tall chimneys.

4ton VF electric self-rising tower crane

4ton VF electric self-rising tower crane

ALL equipped safety devices are complete, such as weight limiter, height limiter, radius limiter, slewing limiter, rope-break-proof device, axle-break-proof device, slewing brake, traction brake and similar safety guards. Which are mechanical or mechanical-electrical integrated products and adapt to all badly conditions to ensure the tower crane working reliably.

Main technical parameters of tower crane QTZ40B(TC4708)

ModelQTZ40B(TC4708)
Max Working Radius (m)47
Free Height Under Hook (m)34

(13 mast sections)

Max Load (T)4
Tip Load (T)0.8
Max Height Under Hook (m)136
Wall Ties for Max Height (sets)6
Main Material Specs (mm)Angle Steel 160*12
Mast Section Dimension (m)1.5*1.5*2.2
Hoisting Speed (m/min)70/35/9
Min Steady Falling Speed (m/min)4.5
Slewing Speed (r/min)0-0.75
Radius-changing Speed (m/min)40/20
Jacking-up Speed (m/min)0.5
Total Motor Power (kw)21.1
Independent Structure Weight (kg)22780
Counter Weight (T)8.30
Containers for Shipment

(Free Height)

4*40’HQ

Advantages are as follows:

* Modular system

* World-wide exchangeable with CCBT Tower Crane
* Intelligent inverter , not only knows the speed but the loads
* Potential meter control
* Close loop control
* Position mode
* RCV Control
* Eddy current brake
* Soft start and stop
* Automatic gear change
* High efficiency, reliable, Lower energy cost

4ton VF electric self-rising tower crane
Packaging Detail:Packaging detail: 4*40'HQ container
Delivery Detail:20-30days after receipt of 30% down payment

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