4ton construction machinery mini tower crane
Specification for 4ton construction machinery mini tower crane
| 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 |
| Attaching height | 120 |
| Mast section | Main limb (mm) | ∠160*160*14/Q235B |
| Section size(mm) | 1600*1600*2200 |
| 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 |
| 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.
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