4ton Tower Crane 48m Boom Construction Tower Crane

• Warranty: 14 Months From The B/L Date
• Certification: CE, ISO9001
• Condition: New
• Maximum Lifting Height: 100-150m
• Maximum Lifting Weight: <5t
• Installation: Jack-Up
• Model NO.: QTZ40-4808
• Moving Type: Fixed
• Type: Top-Slewing Crane
• Application: Building, Construction
• Rated Max.Load: 4ton
• Rated Tip Load: 0.8ton
• Free Standing Height: 30m
• Max.Lifting Height: 120m
• Span: 48m
• Mast Section: 1.5*1.5*2.2m
• Electric: Schneider
• Power: 380V/50Hz/3p
• Transport Package: 40hc Container
• Specification: SGS ISO BV
• Trademark: Tavol
• Origin: Shandong, China
• HS Code: 84262000
• Production Capacity: 100sets/Year

Product Description

 

 4ton Tower Crane 48m Boom Construction Tower Crane



>>>Product description
Product description
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.

>>>Main Specification for 4ton 4808 Tower Crane

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

>>>Safety Device 

1	Torque limiter	Control torque, it will warns when lifting weights reach to 90% of rated lifting torque. When reach to 110% of the rated lifting torque, it will limit rising upwards and trolley.
2	Weight limiter	Control the maximum lifting capacity, lifting weight reach to 40% of the rated capacity, limit high-speed lifting; lifting weight reach to 110% of the rated capacity, limit  the lifting up
3	Height limiter	Control the lowest and highest extreme position of lifting hook
4	Slewing limiter	Control the extreme turns number of turn left and right
5	Amplitude limiter	Control trolley limit position of inward and outward
6	Overload protection	If the material is over the capacity, the crane will give a sharp warning for protection itself
7	Emergency brake	If the operation staff  encounter some emergency situation, we could start the emergency brake system to protection the related treasure
8	Control Method	Room control or remote control to avoid any injury to the operation staff
9	Main lifting motor	with thermal protection and currency protection

>>>Customer Visit


>>>What we supply

Model	Standard Model	Jib Length(m)	Tip load (t)	Max Load(t)
QTZ31.5	4208	42	0.8	3
QTZ40	4808	48	0.8	4
QTZ50	5008	50	0.8	4
	5010	50	1.0	4
	5010 topless	50	1.0	4
QTZ63	5010	50	1.0	5
	5610(5013)	56	1.0	5
	5610	56	1.0	6
QTZ80	5610 topless	56	1.0	6
	5513	55	1.3	6
	6010	60	1.0	6
	6010 topless	60	1.0	8
QTZ125	6015	60	1.5	8/10
	6018 topless	60	1.8	10
	6515 topless	65	1.5	10
QTZ160	6516	65	1.6	10
QTZ250	7030	70	3	12/16
QTZ315	7040	70	4	16
QTZ400	7055	70	5.5	25

>>>Package
Packaging Details: 40 HC containers; high quality Wodden cage for electrical parts Delivery
Delivery Detail: 25-30 days after received the deposit


>>>Our service
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.Opetion video can be sent to you if needed.
5.Maintenance video will be given once the tower crane break down to help you repair.
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.

>>> Company Information 
       Our company mainly focuses on design, manufacture, installation, maintenance, repair, sales, import 
and export. Our main products are Tower Crane, Construction Hoist, Overhead Cranes, Gantry Cranes, Jib Crane,Crane hook, Lift Platform and Crane Spare parts.
      We have exported to may countries such as Bangladesh, Vietnam, Thailand, Malaysia, Australia, 
Kazakhstan, Congo, Ethiopia, Peru, Brazil, Egypt and Iceland and so on.
      We would like to satisfy your different kinds of requirement for the Cranes by our First Class Quality 
with our Excellent Service.
 
     Welcome to visit us!

     We are sure we will be your best choice.




>>> FAQ 
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.Hoist lifting height?

>>> Contact