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Product description
MG Double Girder Gantry Crane (Box-type) is composed of gantry, crane crab, trolley traveling mechanism, cab and electric control system, and the gantry crane can be Box-type or Truss-type structure. The track is at the side of each girder and the leg is divided into type A and type U according to user’s requirements. The control method could be ground control, remote control, cabin control or both.
Core specificatio
Capacity: 5~500t
Span: 12~35m or as require
Left cantilever: 0~6m or as require
Right cantilever: 0~6m or as require
Lifting height: 3~60m
Lifting speed: 2~16m/min
Cross speed: 20~60m/min
Technical Parameter
Double Girder Hook Type Gantry Crane (MG) | |||||||
Lifting weight(ton) | 5 | 10 | 16/3.2 | 20/5 | 32/5 | 50/10 | 80-400 |
Lifting height(m) | 10-15(main) | ||||||
10-24(aux) | |||||||
Span(m) | 18-35 | ||||||
Speed(m/min) | 1-11.3(main) | ||||||
10.4-15.4(aux) | |||||||
Working class | A5-A7 | ||||||
Power supply | 3-Phase A.C.50Hz 380V | ||||||
Steel track | P43/QU70 | ||||||
Structure
I. Main Components
The double girder gantry crane consists of the following key parts:
1. Gantry frame
2. Lifting trolley
3. Gantry travel mechanism
4. Operator’s cabin
5. Electrical control system
II. Frame Structure
1. Two girder designs available:
Box-type structure (robust and durable)
Truss structure (lightweight with high wind resistance)
Double girder off-center rail design for improved load distribution
2. Leg configurations:
A-type legs (for better stability)
U-type legs (for wider span applications)
III. Operator’s Cabin
Fully enclosed cabin with:
Adjustable ergonomic seat
Insulated flooring for safety
Tempered glass windows
Optional features:
Heating & cooling (HVAC)
Alarm buzzer (audible warning system)
Two-way radio communication
VI. Power Supply Options
1. Cable reel system (flexible for mobile operations)
2. Overhead conductor bar (slip line) (ideal for fixed installations)
Case
Application
Double girder hook gantry cranes are suitable for large span, frequently loading and unloading railroad freight yard, the port, open storage, container depots etc. applicable to long, large, bulky cargo and container handling operations.
Key Features & Benefits
✔ High load capacity – Dual girders ensure superior strength for heavy-duty lifting
✔ Customizable leg design – Choose between A-type or U-type legs based on application needs
✔ Operator comfort & safety – Enclosed cabin with optional climate control
✔ Flexible power supply – Supports both cable reel and overhead conductor systems
Why Choose Our Double Girder Gantry Crane?
✔ Versatile – Suitable for ports, steel mills, and heavy industrial applications
✔ Durable construction – Available in box-type or truss-type designs
✔ User-friendly operation – Ergonomic cabin with optional accessories
✔ 7x24h after sales service
