Large Topless Tower Crane Qtz500 (8522) with 25t Load

Get the Large Topless Tower Crane Qtz500 (8522) with 25t Load from our factory. We offer high-quality and reliable equipment for your construction needs.
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Basic Info.

Model NO.
Top-Slewing Crane
Jib Length
Mast Section Size
Max. Load
Free Standing
Brands Major Electrical Component
12 Months
Transport Package
Containers or Truck
25T tower crane
HS Code
Production Capacity
5000 Sets/Year

Product Description

Construction Tower Crane QTZ500(8522)
Parameters of tower crane QTZ500(8522)
Item Parameters
Free standing 73m
Max. Load 25T
Jib length 85m
Load at jib end 2.2T
Mast sections 2.5*2.5*5.95m
Parameters of mechanisms (25t)
Name Speed(m/min) Capacity(t) Power(kw)
Hoisting 2 fall 0-30 12.5 90
0-55 7.8
0-91 4.2
4 fall 0-15 25
0-27.5 15.6
0-45.5 8.4
Trolleying 0-65   11
Slewing 0-0.7   11*4
Power 380V50HZ

Shandong Dahan Construction Machinery Co., Ltd was founded in Dec. 2000, specialized in manufacturing tower cranes and construction elevators, we are pioneer of Chinese tower crane industry.

At present our products cover 9 series and more than 20 models, such as QTZ50, QTZ63, QTZ80, QTZ125, QTZ160, QTZ250, QTZ315, QTZ500, SC200/200, the technical indicators have reached the leading level at home and abroad.
Large Topless Tower Crane Qtz500 (8522) with 25t Load
High quality
Raw material is the foundation of product and the first hurdle to guarantee quality. Dahan tower crane bulk purchase steel directly from big steel factories like Baosteel and Wisco, improve the safety of product.
Large Topless Tower Crane Qtz500 (8522) with 25t Load
First class components
First-class product composed by first-class components, DAHAN always insisted to use the first class components, as Fangyuan support, Schneider electric element etc.

Advanced processing equipment
We have the most advanced processing equipment, such as the large laser cutting machine,CNC plasma cutters, CNC drilling machines, lathes, milling machines, sawing machines and others. 
Large Topless Tower Crane Qtz500 (8522) with 25t Load

Robot automatic welding system and post-weld overall processing equipment

We are the first company to adopt mast sections and main chord robot welding system in the same industry in China. This system is reliable in the performance, with high work efficiency and high automatic degree. The welding quality more reliable and durable.
Large Topless Tower Crane Qtz500 (8522) with 25t Load

The main limbs of the mast section, the turntable and other components are all processed and drilled after welding to improve the accuracy.
Large Topless Tower Crane Qtz500 (8522) with 25t Load

Automatic impeller blasting and spraying assembly line
The large structure parts are dealt with impeller blasting before spraying. That remove steel surface oxides and welding spatters effectively, eliminates the internal stress producing in welding process, increases the parts' anti-figure strength and steel surface hardness, increases painting adhesion and prolong the service life of the product maximizes efficiency and saves energy
Large Topless Tower Crane Qtz500 (8522) with 25t Load

Strict quality examination
Dahan have the strict quality test, raw material test, test of welding, checking welding quality of appearance, assembly and adjustment of jib, tower head and pivot in factory.
Large Topless Tower Crane Qtz500 (8522) with 25t Load

Safety protection
Completely safety protection devices improves the safety, weight limiters, adopt the advanced pull-ring structure from abroad, moment adopt bow-board mechanical type which can be used in severe wild environment.

We have professional packing person to put the tower crane in the container or on to the truck.
Large Topless Tower Crane Qtz500 (8522) with 25t Load



Q1: How many countries have you exported your products to?
A1:Our tower cranes had exported to more than 20 countries, such as Korea, Vietnam, Philippines, Indonesia, India, Sri Lanka, Cambodia, Russia, Kazakhstan, Brazil, Algeria, Ukraine, Turkey etc.

Q2: How to confirm a suitable tower crane model?
A2: My dear friends, please tell us the below basic parameters to confirm tower crane model:
a. Building height or tower crane working height.
b. Max load capacity and tip load capacity.
c. Span or jib length
d. Other Special requirements

Q3: Can you install the tower crane or hoist for us 
A3: Yes, we can send one engineer to your country for installing, but you should bear the cost. 

Any other questions, please give us a message, hope can cooperate with you! and welcome to visit us!

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