China Tower Crane 4808 Model 4ton Tower Cranes Construction Crane

• After-sales Service: Supply After-Sales Service
• Warranty: 14 Months From The B/L Date
• Condition: New
• Application: Building, Construction
• Rated Max.Load: 4ton
• Rated Tip Load: 0.8ton
• Model NO.: QTZ40(4808)
• Rated Lifting Moment: 400kn.M
• Max.Lifting Height: 120m
• Span: 48m
• Mast Section: 1.5mx1.5mx2.2m(Angle Steel)
• Transport Package: 40hc Container
• Specification: SGS ISO BV
• Trademark: Tavol
• Origin: Shandong, China
• HS Code: 84262000
• Production Capacity: 100sets/Year

Product Description

Product Description

China Tower Crane Manufacturer 4808 4ton Crane Towers Construction Crane

 This series of tower cranes, ranging from QTZ31.5 to QTZ315 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. They can be widely used for the construction of high-rise hotels, residential buildings, high-rise industrial buildings, large-span factory buildings and tower-like buildings like tall chimneys.

Series	QTZ40
Standard Model	4808
Max. Lift Load	4t
Tip Load	0.8t
Free Standing Height	29m
Max.Anchorage Height	120m
Jib Length	48m
Mast size	1.5×1.5×2.2m
Lift Mechanism	Lifting Speed	(a=2) 70/35/9 m/min (a=4) 35/17.5/4.5 m/min
	Lift motor	15/15/4 kw
	Wire rope diameter	12.5 mm
Trolley Mechanism	Trolley speed	39/26 m/min
	Trolley Motor	1.5/2.2 kw
Slewing Mechanism	Slewing Speed	0.62 r/min
	Slew Motor	3.7 kw
Jacking Mechanism	Jack Climbing Speed	0.4 m/min
	Jack Climbing motor	4 kw
Power	380V/50Hz/3P

2-Feature&advantage
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.
3-Safety features:
1. Overload protection: If the material is over the capacity, the crane will give a sharp warning for protection itself.
2. Emergency brake: If the operation staff  encounter some emergency situation, we could start the emergency brake system to protection the related treasure.
3. Control Method: Room control or remote control to avoid any injure to the operation staff
4. Main lifting motor: with thermal protection and currency protection.

Packing & Delivery

Packaging Details: 40 HC containers; high quality Wodden cage for electrical parts Delivery

Detail: 20-25 days after received the deposit in advance
Technical Support:
24 hours online service and support, call or contact us by Skype, QQ, MSN etc. 
can solve your questions at the first glance



After-sales service:
1- One year warranty for whole machines. 
2- Providing free quick-wear part.
3- Low charge for continue maintenance when warranty is expired.
4- Exclusive engineer support at any time.
5- We can provide free training to end-users.

 

FAQ

Please supply more detail to us:
1. Building height or tower crane working height.
2. Wokring range or jib length
3. Max load capacity and tip load capacity.
4. Other Special requirements