Main Performance		Main Specifications
Rated lifting moment (KN.m)		500
Max. lifting load(t)		4
Tip load(t)		1.0
Working range(m)		3~50
Lifting height(m)	Freestanding height	29
Lifting height(m)	Attaching height	120
Mast section	Main limb (mm)	∠16016014/Q235B
Mast section	Section size(mm)	160016002200
Lifting jib	Upper chord(mm)	Two angle steel 125*10 / Q345B
	Lower chord(mm)	Two angle steel 125*10 / Q345B
	Parallel face width (mm)	1040
Counter jib	Length(m)	11.368
Hoisting mechanism	Reducer	JZQ460
	Motor	YZTD200-4/8/24-15/15/4KW
	Brake	YWZ-250/35
	Wire rope	6X37-13-1770-1-1right lay
	Hoisting speed (m/min)	65.14/32.57/7.0 32.14/15.60/3.5
Slewing mechanism	Reducer	XX100,195
	Motor	YZR132-6-3.7KW
	Slewing speed (r/min)	0.6
Trolleying mechanism	Reducer	WXG120
	Motor	YD112S-4/8-1.5/2.2KW
	Trolleying speed( m/min)	38.6/25.2
Jacking-up speed	Hydraulic pump station Jacking oil cylinder	TQZ40/140/125
Jacking-up speed	Motor	Y132M-4
Slewing bearing	Type	1220.32

Our Service for 4ton construction machinery mini tower crane

Quality Assurance

Good quality is assured by advanced manufacturing technology. And all products will be checked by our quality-control manager.

The Fastest Reply

Detailed information,specific model and price of products will be provided quickly after receiving inquiry.

Excellent Package

We provide standard, strong, protective package for our products to prevent it from outer damage.

Warranty Assurance

For our tower crane, we provide 1 year (from BL date) warranty period and quick replace service.

Safety devices for 4ton construction machinery mini tower crane

1) Wind lock device

2) Over load limit

3) Hoist height limit

4) Over speed limit

5) Slewing angle limit

6) Lifting moment limit

7) Emergency stop button

8) Obstruction light (tip of jib / tower head)

Services for 4ton construction machinery mini tower crane

1. Installation, debugging, operators trainning;

2. Maintanence;

A. when trainning your operators, our engineers will give them advice on how to operate the machines correctly;

B. we will send you the operation manual which can help you operate the machins properly, it can also help you to solve the common problems;

C. Call us at any time if you have problems about our tower crane;

D. If needed, we will send engineers to your site to solve your problems;

2. Providing some documents for your customs clearance, like commercial invoice, packing list, certificate of origin etc;

3. Spare parts supply.

Photos for 4ton construction machinery mini tower crane

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