Flat Top Tower Crane/topless tower crane

FOB Price: Negotiable
Brand Name: HENGQI
Model Number: QTZ50P 4810
Place of Origin: Shandong, China
Min.Order Quantity: 1 Unit / Units
Payment Terms: T/T MoneyGram Credit Card PayPal
Supply Ability: 15 Unit / Units per Month
Packaging Details: CONTAINER
Port: QINGDAO port

Basic Info.

Rated Loading Capacity
1.0 Ton
Rated Lifting Moment
Max. Lifting Load
4 Tons
Max. Lifting Height
12 Months
After-sales Service Provided
Engineers available to service machinery overseas

Our company

   Jinan HEGNQI Engineering Machinery CO., Ltd is a professional construction machinery manufacturer which is established in 1987 with more than 100 workers, covering an area of square meters.   We have strong technical force, adopts advanced process equipment for CO2gas shielded arc welding, submerged arc welding, and complete testing methods and management systems. Our main products include QTZ series tower crane, SC series construction hoist, ZLP series suspended platform concrete machinery.

Product detalis

Main Features

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 circumgyrating structure, together with moment-limiting hydraulic coupler, which can relize high load capacity, steady starting and reliable operation.

QTZ50P 4810

Product pictures

Spare partsspare parts

1.Most structure of tower crane are made of angle steel, such as mast string,mast member; the material is Q345B(16Mn). 2. Most components of the tower crane are connected by pins. The pins are produced by special processed combining carburizing, sulfurizing and nitridation. The surface of pins is wear-proof, can be repeatedly assembled and dismantled without deformation.

spare parts

    Trolley mechanisms use torque motor and planetary reducer placed in the drum. Its features include simple structure, small volume, light weight, stable drive, good speed regulation properties, which enables convenient, flexible, safe and reliable operation as well as easy maintenance.

spare parts

   The hoisting mechanism is an AC variable-frequency mechanism, realizing complete stepless speed regulation and fully utilizing motor drive property, featured with wide speed-regulating range and high working efficiency. The mechanical transmission applies mature domestic technique, in which the spur gear or bevel gear work reliably, the rope drum adopts a special Z-shaped grooving technique. The mechanism is equipped with complete and reliable security protection, brake logic control system, capable of realizing “suspension” in the air, and overspeed with light load and largely improving efficiency of tower crane. 

Delivery and package

Delivery and package

Delivery:within 10-15 days after receiving advance payment.Package:Standard export package.

Our Service

Our team always take the customer as the center, as much as possible to help you find you want products, welcome your consultation.

Before sale

Pls tell me your requirments such as the building height,max load,lift height,span,other specials you want.We will provide you with suitable model according to your request.If have any questions,our technician will help you solve.

On sale

Free of charge to accompany clients to inspect machines,to assist in the development of construction plan,to pack machine and delivery as well as assist customers to formulate the installation schedule.

After sale

1)- One year warranty for the machines. 2)- Offer free quick-wear accessories.3) Low charge for continue maintenance when warranty is expired.4)- Exclusive engineer support at any time.5)Provide free training to end-users. 


1. What’s the information should I provide when inquiry?A: Lift capacityB: spanC: lift heightD: power sourceor other specials you give us will be more appreciated.2. How long is your warranty?Our warranty is 12 months after receiving the goods.3.Usage periodAbout 30 years under common use.

4. How can we install the crane?Our senior engineer can be your side to do the installation guide service and training. Moreover, our best sales can visit your country.5. Safety deviceOverload limiter, Limit Switch (lifting and traveling), Interlock protection device, Buffer, Overhaul cage, Rail clear plate, Protective cover, Bus bar preventer plate, Anti-collision device, Main isolating switch, Emergency stop system, Motor overload protection, and so on.

CertificationRelated Products

Flat Top Tower Cranes (1.5-8t) Luffing Tower Cranes (8-16t) Inner Climbing Tower Cranes(2-16t) Fast-Erecting Tower Cranes(600kg-3t) Building Hoists (SC200/200, SC100/100, SC100, and SC200)  Suspended Platform(630kg-1000kg) Concrete Machinery(Concrete Batching Plant, Concrete Pump, Concrete Mixer) All Kinds of Spare Parts for the Machines Above

CONTACT US for more detailed information

Contact person:Fanny SunEmail:Towercrane02(at)tonyjixie.comSkype:tonytowercrane02Company:Jinan Hengqi Engineering Machinery Co.,Ltd

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