Construction Site Inner Climbing Tower Crane Lifting Capacity 6 Tons QTZ63 Model

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Inner climbing tower crane lifting capacity 6tons qtz63 model



   This kind type of tower crane is inside of the building, do not take up the construction site, suitable for field narrow engineering, particularly conducive to urban renovation and expansion project.
   It is without laying track, no special production of reinforced concrete foundation ( high-rise buildings which normally takes more than 126 tons of reinforced concrete), construction preparation simple (just reserve hole, locally increased strength), cost savings.
   No multi-anchorages and complex anchoring device and large operating range.
    This crane is in the middle of the building, covering buildings, can make out of a small magnitude of the building, effectively avoid obstacles and sidewalks around.
    The boom is shorter, fully used the lifting performance.
    Only need a small amount of mast section, the general tower 30 meters (small wind load), to meet the construction requirements, less one-time investment, the higher the building height, the more significant economic benefits.





QTZ63(5013) Tower Crane


Internal climbing 

Rated Lifting Moment(KN.M)


Rated Loading Capacity(T)


Max. Lifting Load(T)


Tip Load(T)


Mast section height(M)




Working range(M)

3 to 50

Slewing speed(r/min)


Trolley peed(m/min)


Jacking-up speed(m/min)


Power supply

380V/50Hz or according to client's requirements

Power Capacity(KW)


Electric switch box


Hoisting speed(m/min)

(a=2)80/40/8.5; (a=4)40/20/4.25

Main Material(mm)

135*10/square tube /Q235B

Mast section(m)




Our Services

1. Rapid response to any inquiry and 24 hours on-line service.
2. Competitive price which directly work with manufacturer.
3. Professional inspection department to guarantee quality.
4. Factory visit is welcomed.
5. If you need, engineers will go to the construction site for guiding the installation and test-running.
6. Easy-worn Spare parts is free supplied along with the tower crane.
7.12 months super long time guarantee period.
8. Customer-tailor is accepted.



FAQ(Frequently Asked Questions)

Q1: What is the Warranty for tower cranes?
A1: For the inner climbing tower cranes, we can supply 1 year warranty.
If there is quality problem of any parts (excluding easy worn spare parts) on our side during this period, we will supply a new one by free for replacement
Q2:  What is the meaning of QTZ and TC for tower crane model? And please illustrate.
A2:  QTZ is classified according to China National Standard.
“Q” is the acronym of Crane in Chinese language (Qing Zhongji);
“T” is the acronym of Tower head type in Chinese language (Ta Shi);
And “Z” is the acronym of self rising in Chinese language (Zi Shengshi)

“TC” is the acronym of Tower Crane in English language.
 For example:
QTZ63(5013) means topkit tower crane, the rated lifting moment is 630KN.M (63 is one-tenth of the rated lifting moment). The working jib length is 50 m and tip load is 1.3t when jib length is 50m.
Q3:  What are the optional parts for tower cranes?
A3: 1) Anemometer
     2) Air conditioner for operation cab
     3) Black box for operation cab
     4) Remote control
     5) Full VFD (Variable Frequency Drive) control
Q4:  What is the advantage for your internal climbing tower cranes?
A4: 1) The internal climbing type tower crane is arranged in the middle of building(installed in the elevator shaft), especially used for a small construction site in the center of downtown.
   2) Improve the efficiency with a large working area.
   3) Lower costs for higher buildings by using less mast sections.
Q5: How to confirm a suitable tower crane model?
A5: My dear friends, if you are not sure of the tower crane type/model, please tell us the below basic parameters as bellow:
   1) Total Building height
   2) Max load capacity and tip load capacity.
   3) Span or jib length
   4) Other Special requirements

We will try our best to help you find the most suitable one!

Welcome to contact us directly and we are ready to support you with ACLASS service!



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Mr. Joanna
Tel: 86-531-61320416
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Zheshan Industrail park, Jinan, Shandong, China (Mainland)
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