Double girder gantry crane is a kind of Heavy duty gantry crane, and it is also capable of handling large and heavy loads in outdoor workplaces, the lifting capacity of the gantry cranes are up to hundreds of tons (5 ton to 500 ton). The working class of the gantry crane can be A3-A7. Besides, Our product can be used in outdoor workplaces for loading and unloading operations, such as port, open yard, stock yard, shipyards, warehouse, railway freight station, construction site, etc.
Though the double beam gantry crane cost more than the single girder gantry crane, it has stronger lifting capacity, larger span, and better stability. We have many kinds of double beam gantry cranes, including AQ-BMG type indoor/outdoor use semi gantry crane; AQ-MG type gantry crane with/without cantilever; truss structure gantry crane. Among all of these types, AQ-MG type gantry crane is the most typical representative staple of the gantry crane and the box type is more often adopted than truss type. Furthermore, we also supply non-standard custom designs to meet the unique requirements of customers. We are very glad to receive your inquiry at your convenience.

Types of double girder gantry crane for sale
We can offer different double girder gantry crane from 5 Ton SWL up to 500 Ton SWL. The gantry cranes are designed with more heavy capacity and higher work duty than single girder crane. They can be designed with two side cantilever, one side cantilever or no cantilever. The control method could be a remote control or cabin control, our products are also equipped with an adjustable seat, fire extinguisher, air condition, etc. in the cabin.
Our company produces different kinds of gantry crane, mainly including semi gantry crane, AQ-MG type gantry crane, truss structure gantry crane, among which the AQ-MG gantry crane is the most commonly used type in the industries.
The capacity of this overhead gantry crane can reach 320 ton so as to meet a large variety of needs. This double girder crane has greater lifting speed and higher working level compared with single girder crane.

AQ-MG type double girder gantry crane parameters:
- Load capacity: 5-500t
- Span: 18-35m
- Lifting height: 6-18m
- Lifting speed: 1.5-11.5m/min
- Trolley running speed: 10-40.1m/min
- Crane running speed: 16-50m/min
- Work duty: A3-A7
AQ-BMG type crane is a semi gantry crane with one side mounted on tracks of the existing building and the other side supported by legs. It features light weight, simple structure, easy installation and high utilization.

Double girder semi gantry crane parameters:
- Load capacity: 5-32t
- Span: 12-30m
- Lifting height: 6-12m
- Lifting speed: 6-11.5m/min
- Trolley running speed: 37-40.1m/min
- Crane running speed: 37.7-40.1m/min
- Work duty: A3-A6

U type gantry crane parameters:
- Load capacity: 10-50t
- Span: 18-35m
- Lifting height: 6-18m
- Lifting speed: 5.9-13.3m/min
- Trolley running speed: 31.3-40.1m/min
- Crane running speed: 40.1-44m/min
- Work duty: A5-A6
Customers can choose the crane with different designs and configurations according to the specific needs. The lifting capacity of the crane is usually in the range of 5-500 ton, its span is from 18 to 35 meters, lifting height is within 6-18m, and its working duty is A3-A7.
Besides, we supply other types of gantry cranes including rail mounted gantry crane, rubber tyred gantry crane, container gantry crane and portable gantry crane for your choice.
Application of double beam gantry crane
Double Girder Gantry Crane is mainly used in Steel, Forest Products, Inter-modal, Biomass/Pellet, Concrete and many other industries. Our product can be used in outdoor workplaces for loading and unloading operations, such as port, open yard, stock yard, shipyards, warehouse, railway freight station, construction site, etc.
Features of double girder gantry cranes
Double beam gantry cranes are an ideal choice for you to use in various places, and it is quicker and easy to install. Double beam gantry crane is equipped with all the necessary safety device with high-reliability component, and it suits for both outdoor and indoor, which can bear heavy capacity and longtime work.
Double girder gantry crane technical parameters
AQ-MG
Technical Parameter of AQ-MG Double Girder Gantry Crane | ||||||
Capacity | t | 5 | 10 | 16 | 20 | 32 |
Span | S(m) | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 |
Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
Lifting speed | m/min | 11.5 | 8.5 | 7.9 | 7.2 | 6 |
Trolley speed | m/min | 37.2 | 37.4 | 40.1 | 40 | 37 |
Crane speed | m/min | 37.7 | 37.7 | 40.1 | 40.1 | 38 |
Work duty | A3-A7 | A3-A7 | A3-A7 | A3-A7 | A3-A7 | |
Track type | P43 | P43 | P43 QU70 | P43 QU70 | P50 QU80 |
Capacity | t | 50 | 75 | 100 | 160 | 200 |
Span | S(m) | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 |
Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
Lifting speed | m/min | 5.9 | 4.7 | 3.9 | 3.5 | 3.5 |
Trolley speed | m/min | 31.3 | 38.2 | 33.9 | 22.5 | 29 |
Crane speed | m/min | 44 | 38.3 | 32.3 | 28 | 28 |
Work duty | A3-A7 | A3-A7 | A3-A7 | A3-A7 | A3-A7 | |
Track type | QU80 | QU80 | QU100 | QU100 | QU100 |
Capacity | t | 250 | 320 | 400 | 450 | 500 |
Span | S(m) | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 |
Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
Lifting speed | m/min | 2.2 | 2.3 | 1.5 | 1.5 | 1.5 |
Trolley speed | m/min | 28 | 16.6 | 10 | 10 | 11.5 |
Crane speed | m/min | 50 | 28 | 18 | 18 | 16 |
Work duty | A3-A7 | A3-A7 | A3-A7 | A3-A7 | A3-A7 | |
Track type | QU120 | QU120 | QU120 | QU120 | QU120 |
AQ-MDU
Technical Parameter of AQ-MDU Double Girder Gantry Crane | |||||||
Capacity | t | 10 | 16 | 20 | 32 | 40 | 50 |
Span | S(m) | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 |
Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
Lifting speed | m/min | 13.3 | 7.9 | 7.2 | 6 | 5.9 | 5.9 |
Trolley speed | m/min | 37.4 | 40.1 | 40 | 37 | 31.3 | 31.3 |
Crane speed | m/min | 41 | 40.1 | 44 | 40.1 | 40.1 | 40.1 |
Work duty | A5-A6 | A5-A6 | A5-A6 | A5-A6 | A5-A6 | A5-A6 | |
Track type | P43 | P43 QU70 | QU70 | QU80 | QU80 | QU100 |
AQ-BMG
Technical Parameter of AQ-BMG Double Girder Semi Gantry Crane | ||||||
Capacity | t | 5 | 10 | 16 | 20 | 32 |
Span | S(m) | 12~30 | 12~30 | 12~30 | 12~30 | 12~30 |
Lifting height | m | 6~12 | 6~12 | 6~12 | 6~12 | 6~12 |
Lifting speed | m/min | 11.5 | 8.5 | 7.9 | 7.2 | 6 |
Trolley speed | m/min | 37.2 | 37.4 | 40.1 | 40 | 37 |
Crane speed | m/min | 37.7 | 37.7 | 40.1 | 40.1 | 38 |
Work duty | A3~A6 | A3~A6 | A3~A6 | A3~A6 | A3~A6 | |
Track type | P43 | P43 | P43 QU70 | P43 QU70 | P50 QU80 |
Double Beam Gantry Crane Manufacturer & Supplier
Our company has specialized in manufacturing gantry cranes for years. Our company has the latest production technology, timely after-sales service, and our products have comprehensively structure, best quality with beautiful and generous appearance, and respond quickly to market feedback for our customers. We hope our company can be a great help to our customers to facilitate productivity and seek to maximal interests sincerely.
Our beautiful-appearance, light-weight, strong, durable products, dependable services, and good reputation, making us the leading position in the industry. We are looking forward to helping our customers to find proper gantry crane from our company no matter what kinds of gantry crane you need. Our customers are extremely welcomed to contact us online and also visit our factory.
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A type double girder gantry crane is suitable for indoor and outdoor use. Gantry crane is designed for maximum flexibility and reduces structural and rail maintenance to a minimum. The design of gantry crane is easy to inspect flaws.
Truss type double girder gantry crane
Truss type gantry crane’s main girder and support leg both with truss type, it is more suitable for the open area, can bear strong wind pressure. The cost will reduce in case of the crane self-weight is lighter than the single girder gantry crane. The truss type double girder crane is usually used in outdoor, concrete beam yard, as engineer gantry crane, and lifting mechanism usually is open.
U type double girder gantry crane
This type of gantry crane design with U type, is it more convenient for large size goods from middle position move to the cantilever, like gantry crane which used in the hydropower station with very large wheel gauge. This kind of crane usually equipped with lifting spreader.