
Double-girder-gantry-crane
Double girder gantry crane is composed of bridge frame, wagon running mechanism, trolley and electrical equipment, etc.It is widely used for open warehouse, yard, railway freight station, port dock cargo area,etc.Can also be matched with a
- Capacity
- 0.5~800t
- Span
- 12~50m or Customized
- Left/Right Cantilever
- 1/3 of Span
- Classification/Duty
- A3-A8
- Lifting Height
- 3~80m/Customized
- Lifting Speed
- 2~16m/min/Customized
Quotation in 24 hours · CAD drawing in 48 hours · FEM / DIN / ISO design
Product Overview
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Technical Features
- Heavy Duty Trolley Festoon System
- High-strength Alloy Forged Hook
- LT Power Supply Cable Reel Drum
- Double Girder Gantry Crane Systems are designed in accordance with ISO, FEM and DIN standard.
- In double girder gantry crane , mechanism selections are made in accordance with the desired lifting and running speeds and working class .
- The use of box-shaped double beam welding structure, increase the working space and easy to transport, installation and maintenance.
- The car adopts the opposite rail cable conductive device.
- Standardization, serialization and generalization of parts and components.
- There are two kinds of cable coil type (divided into left and right end) and sliding line type (divided into left and right end) for users to choose.
- Integrated Diagnostics and Maintenance Monitoring : Offers real-time monitoring and diagnostics to predict maintenance needs and minimize downtime.
Where It Is Used
- This setup enables efficient and secure heavy load lifting and movement, making the double girder gantry crane a reliable solution for various industrial applications.
- Double girder gantry crane is suitable for open warehouse, yard, railway freight station, port dock cargo area, such as loading and unloading and lifting.Can also be matched with a variety of spreaders for some special work.
- Steel structure: Q235B/Q345B carbon structural steel with seamless once forming technology more strong and elegant. Suitable for different operation temperature
Specifications
Values below are the published standard configuration. Anything outside this range is a customisation question, not a catalogue lookup.
| Capacity | 0.5~800t |
|---|---|
| Span | 12~50m or Customized |
| Left/Right Cantilever | 1/3 of Span |
| Classification/Duty | A3-A8 |
| Lifting Height | 3~80m/Customized |
| Lifting Speed | 2~16m/min/Customized |
| Cross Speed | 20~60m/min/Customized |
| Control Type | Pendant/Remote/Cab |
| Power Supply | 3PH 220V-480V/Customized |
| Lifting Mechanism | Reducer, drum, motors protection class F class, China or World top quality motor brands, such as Jiamusi, SEW, ABM, etc |
| Hook | Finest steel forged hook, long using life |
| Wheels | Vacuum casting, with compact structure, convenient maintenance, high transmission efficiency and long service life |
| Loading Capacity | 0.5~800t |
|---|---|
| Lifting Height | 3~80m or customized |
| Lifting Speed | Single speed: 2~30 m/min or customized |
| Variable speed: 2-30 m/min or customized | |
| Span | 3~50m |
| Left Cantilever | 1/3 of Span |
| Right Cantilever | 1/3 of Span |
| Lifting Mechanism | Winch |
| Work Duty | A3~A8 |
| Power Supply | AC-3Phase-220/230/380/400/415/440V-50/60Hz |
| Control Method | Ground handle control(Push button), wireless remote control, cabinet control |
| Application Area | Factory,workshop,warehouse,power station,logistic,etc. |
Quality Control
Raw steel arrives with a Material Test Certificate and is spot inspected. Welders hold Class I international qualification. Girders are shot blasted to Sa2.5 before paint, and paint thickness is checked.
Customisation
Capacity, span, lifting height, duty group, power supply, control mode and service environment are all specified per order. Special products customisation is a standard service.
Documentation and Support
Equipment and main parts qualification certificates, electrical drawing diagram, installation operation and maintenance manual, and commissioning instructions ship with the equipment. Online support runs 24/7.
Use Guide
- Confirm the duty group. Count average lifts per hour and average load, not peak tonnage. This sets the FEM classification and drives the whole design.
- Check the building. Wheel load, headroom and hook approach decide whether the unit fits. Ask for the CAD drawing before ordering.
- Specify the environment. Temperature, dust, humidity and any hazardous area classification change the motor, brake and enclosure rating.
- Plan the power supply. Long travel needs a conductor rail or festoon system, which is quoted separately and must match the runway length.
- Book commissioning. Installation supervision or online commissioning support, plus operator training, before the unit goes into production.
Related Products

1-20-ton-light-gantry-crane
- Capacity
- 1~20 Tons
- Lift Height
- 3~40m

20-ton-heavy-gantry-crane
- Capacity
- 0.5~800t
- Span
- 12~50m or Customized

Semi-gantry-crane
- Capacity
- 0.25-80 Ton
- Lift Height
- 12m

Portable-gantry-crane
- Capacity
- 0.5-10 tons
- Lift Height
- 1-10m
Frequently Asked Questions
What information do you need to quote a double-girder-gantry-crane?
Capacity, span rail centre to rail centre, lifting height, duty or working condition, power supply, travel distance and the service area conditions. A workshop drawing speeds it up considerably.
Can the double-girder-gantry-crane be customised?
Yes. Sinomac provides a special products customisation service, and free production drawings for regional partners and clients buying crane kits.
How long does a quotation take?
A quotation is issued within 24 hours and a CAD drawing within 48 hours, both free of charge.
What testing is done before shipment?
Every hoist is pre-commissioned before packing and the crane is pre-assembled for a factory acceptance test. A third party inspection can be arranged at your request.
Are your cranes built to FEM and DIN standards?
Yes. Sinomac designs to FEM, DIN and ISO. Duty group is set from your real lifting cycle, so the classification on the nameplate matches how the crane is actually used.
Can you supply a crane kit instead of a complete crane?
Yes. Sinomac supplies hoist, end carriages, drives, control system and anti-sway as a kit, and provides free production drawings of the girder for regional partners and clients buying kits, which lowers shipping cost.
Request a Quotation for the Double-girder-gantry-crane
Send capacity, span, lifting height and duty. A quotation follows within 24 hours.
