Features of tower crane

1. Tower crane model:TC4810
2. maximum load capacity is 4t, Tip load is 1.0t
3. maximum radius is 48m.
4. Independent height is 30m, Max. Possible height is 120m.
5. Mast section dimension:1500*1500*2200, Main chord:160*12 Q235B
6. Rated lifting moment:500kn m
7. Slewing speed:0.63r/min
8. Derricking speed:26/37.5m/min
9. Jacking speed:0.4m/min
10. equipped with complete set of safety devices

Company Introduction
Shandong Mingwei Hoisting Equipment co., Ltd as a professional manufacturer and sale for more than 20 years, advanced equipment and strong technique background enable us to engage in R&D and sales of tower crane and receive overwhelming public praise.
And now can offer tower cranes with a maximum lifting load form 2.5t to 20t, which is from QTG25, QTZ25, QTZ31.5, QTZ40, QTZ63, QTZ80, QTZ100, QTZ125, QTZ160 and QTZ315, luffing tower crane, topless tower crane and so on to meet the demand of various kinds of customers in different construction works.

Main products
Topkit tower crane Topless Tower crane
QTZ50 (4810/5008) QTZ50P(4810/5010)
QTZ60(6010) QTZ63P(5013/5610/5011/5010)
QTZ63(5610/5010/5013) QTZ80P(5613/5017)
QTZ80(5513/6010) QTZ315P(7528)
QTZ100(6010/6013) Building hoist
QTZ125(6018/6515) SC200/200
QTZ315(7527/7040)
Packing & Shipping

Packing in 40HC container. If adopt CIF, we will find better shipping company for clients

Delivery time

Providing timely delivery, after advance payment , within 5-15 working days arrange shipping .

Our services
1. Customized service. We can do all special design according to your requirement
2. welcome visit our factory, learn about our factory and products.
3. 24 hours on line or phone , technical support

After sale service
1. The seller will send one of her professional technicians to the site of buyer to guide the erecting work.
2. 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.
3. lifelong time freely provide technical support .

Mechanical load factor	Hoisting mechanism				JC 40%
	Slewing mechanism				JC 40%
	Trolleying mechanism				JC 40%
Hoisting mechanism	Motor	Type			YZTD200L2-4/8/24
		Speed	r/min		1440	720				220
		Power	kW		15	15				4
	Reducer	Center distance	mm		460
		Transmission ratio	i		12.25
	Drum	Dia.	mm		Φ330
		Layers of rope			4
		Capacity	m		280
		Speed	r/min		114	57				11.4
	Braker	Type			YWZ-250/45-10
		Braking ­­­­force	N		450
	Wire steel rope	Tractive force	N		10000
		Spec.			6×19-12.5-1770-I
	Hoisting speed		m/min		65.1/31.9		32.6/15.9		13.0/6.4
	Rated load		t		0.8/1.6		2/4		2/4
	Min. Stable descending speed		m/min		≤7
	Total weight		t		1.2
Slewing mechanism	Motor	Type			YZR132M-6
		Speed	r/min		908
		Power	kW		3.7
	Reducer	Type			H-100
		Transmission ratio	i		195
		Outputing torque	N@m		10000
	Slewing bearing	Type	QW.40.1120
	Small pinion gear	No. of modulus	m	10
		No. of teeth	z	13
		Modification coefficient	x	+0.5
	Hydraulic coupler	Type		YOX280A
	Slewing speed		r/min	0.6
	QTY of installation		set	1
Trolleying mechanism	Motor	Type		YD100L2-4/6
		Speed	r/min	1440				960
		Power	kW	2.4				1.5
	Reducer	Model		WCJ120
		Transmission ratio		39
	Wire steel rope	Spec.		6×19-7.7-1550-I
		Line speed	m/min	38.6/25.2
	Trolleying speed		m/min	38.6/25.2
Hydraulic jacking mechanism	Hydraulic pump	Work pressure	MPa	20
		Power	kW	4
		Type of oil pump	GB306
	Jacking cylinder	Rated pressure	M Pa		20
		Dia. of cylinder	mm		Φ125
		Dia. of piston rod	mm		Φ90
		Stroke	mm		1300
		Erection distance	mm		1700
		Jacking speed	m/min		0.4
		Max. Jacking force	t		24.6