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Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections

Good quality Double Girder Overhead Crane for sales
Good quality Double Girder Overhead Crane for sales
I've visited MD cranes last week, they are very kind people. They have much more modern production equipment than the supplier I visited before, that is impressive. The quality and price are both good, wish long cooperation with you my MD friends!

—— Muhammad Kamran

They are very professional in the products, I believe they are a leading company in China , thanks for your guys, I got my favourite overhead crane!

—— Rashid

I have ordered a 10 ton single girder overhead crane from Mingdao , the price is very GOOD , expecting the arrival of my crane soon!!

—— Ismail

We bought a jib crane for our project in Malaysia, it has a good performance.We will continue cooperation with mingdao company.

—— William Shatner

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Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections

China Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections supplier
Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections supplier Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections supplier Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections supplier Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections supplier Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections supplier Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections supplier

Large Image :  Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections

Product Details:

Place of Origin: FORM E , FORM F, CO
Brand Name: Mingdao
Certification: CE ISO SGS
Model Number: QTZ

Payment & Shipping Terms:

Minimum Order Quantity: 1set
Price: 10000/set ~ 80000/set
Packaging Details: 40hc container
Delivery Time: 15days
Payment Terms: L/C, T/T, Western Union, D/A, D/P, MoneyGram
Supply Ability: 1000SETS/ YEAR
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Detailed Product Description
Rated Loading Capacity: 25ton Condition: NEW
Warranty: 1 Year Rated Lifting Moment: 630KN.M
Feature: Tower Crane Application: Construction,Building,buildings And Brige Other Constriction Projects,Indoor And Outdoor Amusement Equipment,Building Construction Lift
After-sales Service Provided: Engineers Available To Service Machinery Overseas,Field Installation,commissioning And Training,Video Technical Support,Free Spare Parts Span: 65m,3-50/55M,0-80m,60m,3.5~75 M
Color: Optional,Yellow,Customer's Requements,Customized,nomal Yellow Or According To Client Max. Lifting Load: 10t
Tip Load: 1.5/2.0/2.5/3.0/3.6/4.2/5.0/5.0 Product Name: QTZ5610 Tower Crane,Hammerhead Crane,topkit Tower Crane Price
Power Supply: 380V 50Hz/440V 60Hz,380V/50Hz,380V,Customized Type: Erecting Top Kit Tower Crane,Building Constrction,flat Top,hammer Head,Topkit
Main Material: Q345B Manganese Steel,Angle Steel,Q345B,angle Steel Or Square Steel Tubes Jib Length: 60m,32m,65m,60000mm
Name: Tower Crane Slewing Speed: 0.72 R/min,0-0.62r/min,0.77r/min

Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections

Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections

Brief Introduction:
This type 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.

The QTZ series tower crane is mainly used for housing construction in the vertical and horizontal transportation of materials and the installation of building conponents.

It is widely used in infrastructure construction ,high-speed rail,oil fields,large ports,nuclear power,wind power and other construction fields.

According to the shape of the tower crane ,it can be divided into topkit type,topless type and luffing boom type.

According to the working efficiency ,it can be divided into ordinary type and frequency conversion type.

Different models & Parameters:

Model Max load Jib length Tip load
QTZ31.5(4208) 3t 42m 0.8t
QTZ40(4808) 4t 48m 0.8t
QTZ40(4708) 4t 47m 0.8t
QTZ50(5008) 4t 50m 0.8t
QTZ50(5010) 4t 50m 1t
QTZ63(5610) 6t 56m 1t
QTZ63(5013) 5t 50m 1.3t
QTZ80(6010) 6t 60m 1.0t
QTZ100(6024) 10t 60m 2.4t
QTZ125(6018) 8t 60m 1.8t
QTZ160(6515) 10t 65m 1.5t
QTZ200(6520) 10t 65m 2.0t
QTZ250(7021) 12t 70m 2.1t
QTZ300(7031) 12t 70m 3.1t
QTZ400(7055) 25t 70m 5.5t
QTZ500(8522) 25t 85m 2.2t


Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections


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 efficient operation of the equipment.
4.Three-speed motor and mono-speed ratio decelerator are applied in the lifting structure, which enables heavy load low speed and light load high speed.
5.Planet gear decelerator is applied in the circumcise rating structure, together with moment-limiting hydraulic couple, which can realize high load capacity, steady starting and reliable operation.

Safety Decices:

Weight limiter
If the material is over the capacity, the crane will give a sharp warning for protection itself
Moment limiter
Real-time monitoring and detection of crane working conditions, with its own diagnostic function, rapid dangerous status alarm and safety control.
Height limiter
Control the lowest and highest extreme position of lifting hook
Slewing limit
Control the extreme turns number of turn left and right.

Emergency brake
If the operation staff encounter some emergency situation, we could start the emergency brake system to protection the related treasure.

Control Mechanism:
Hoisting mechanism is driven by three-speed electromotor with high working speed and good speed-adjusting capability and high efficiency; Derrick mechanism using worm-wheel reducer can meet operating needs. Slewing mechanism that is driven by two-speed electromotor; Make operation more stable and reliable.

1.Robot automatic welding system;
2.Automatic impeller blasting and spraying assembly line;
3.CNC plasma cutting machine;
4.Precision machine tools;
5. France Schneider contactor;
6.Jiangte motor;
7.Equipped with complete set of safety devices

Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections

Packing in 40HC container.
Steel structure naked or packed by bubble.
Electric part and easily demand parts packed by high quality plywood box.

Our services
1.We can design the customerized tower crane as per your requirement.
2.The most suitable model will be recommended to you once we know about your requirement.
3.Shipment can be arranged from our port to your destination port.
4.Operational video can be sent to you if needed.
5.The seller can send professional technicians to the site of buyer to guide the erecting work.
6.12(twelve)months (except for wire rope and AC contactor) after the equipment be well erected and we will offer spare parts whole year long.
7.Lifelong time freely provide technical support .

Q1: Can provide customized products?
A1: Yes. We can give you special design as per the drawings of your building, helping you solve different problems faced in your projects.

Q2:What is the mean of QTZ and TC for tower crane model?
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 Sheng Shi). "TC" is the acronym of Tower Crane in English language.

Q3: If you are interested in our products, please no hesitate to contact us with following parameters:
1.Max load capacity?
2.Tip load?
3.Jib length?
4.Lifting height?

5.Local Voltage?

Qtz250 (7032) 12t Topkit Tower Crane with L68b2 Mast Sections

Contact Details
Shandong Mingdao Heavy Industry Machinery Co.,Ltd

Contact Person: Mr. Michael

Tel: 86-538-6315767

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