China professional manufacture 4-ton tower crane

Model Number: TC4708 Brand Name: KLY Key Specifications/Special Features: Product description:Tower cranewith 60, 55, 50, 45, 40m variety of arm length combination, to meet the user's different arm long use requirementsMachine has a variety of installation typeIndependent fixed (pre buried bolt type and embedded type leg), bottom pressure heavy fixed, attachment type, such as walking, applicable to a variety of different construction object, expanding the range of product applicationTower crane can be equipped with advanced liquid crystal display, real-time display of the whole machine running data, intuitive display of the whole stateUsing the linkage table operation, the handle and the button arrangement fully unifies the human body engineering design, the operation is comfortableKey specifications:
Rated loading capacity: 4T
Max hoisting capacity: 2t (a=2) 4t (a=4)
Working radius: 3-47m
Max working radius capacity: 0.790t (a=2),0.790t (a=4)
Hoisting height:
Freestanding 30m
Attaching 120m (a=2), 60m (a=4)
Section size: 1.494*1.494*2.2m
Top kit height: 6.2m
Slewing speed: 0.7/0.35rpm
Trolley speed: 38.6/25.2rpm
Jacking-up speed: 0.4rpm
Power supply: 380V/50Hz or on requests
Color: red or on requests
Customize design: accepted
Control method: cabin
Model number: TC
Certification: ISO CE
Warranty: 2 years after-sales
Service provided: engineers available to service machinery overseas

Features and advantages:
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. Crane has complete set of safety devices, which can guarantee the safe and high efficiency operation of the equipment
4. Three-speed motor and mono-speed ratio decelerator are applied in the lifting construction, which enables heavy load low speed and light load high speed
5. Planet gear decelerator is applied in the circum gyrating structure, together with moment-limiting hydraulic coupler, which can realize high load capacity, steady starting and reliable operation