Gantry crane
Large Tonnage Heavy Loading Wheel Gantry Crane with Hook (Double Girder)

Product Overview
Built for heavy blocks like precast concrete and stone, this double‑girder wheel gantry crane delivers stable, high‑duty lifting across yards, ports, rail terminals, and open‑air warehouses. The A‑ or U‑frame designs support long travel on rails, with options for cantilevers. Steel wire rope winch/trolley, robust box or truss main beams, and industrial‑grade electrics provide precise handling and dependable performance in outdoor environments.1
Product Advantages
Heavy‑Duty Double‑Girder Structure
Medium‑to‑heavy class crane with rigid box/truss beams, long service life, and stable running.1
Broad Working Envelope
Spans from 18–35 m typical; A‑type for general cargo, U‑type for container clearance; cantilever optional.1
Operator‑Focused Controls
Remote and cabin control; insulated floors, tempered glass windows, and safety accessories as specified.1
Industrial‑Grade Components
Q235/Q345 steel, shot‑blasted Sa2.5, epoxy zinc‑rich paint; branded electrics (CHINT/Siemens/Schneider).1
Documentation & Warranty
1‑year warranty; free replacement parts and online technical support; rail and power matched to load.1
Application Scenarios
Open‑air warehouses and material yards
Precast/stone yards and construction sites
Ports, rail freight stations, logistics parks
Hydropower stations and large component handling
Product Specifications
| Parameter | Details |
|---|---|
| Type/Model | MG Double Girder Gantry Crane; A‑type and U‑type |
| Rated Capacity | 5/10/16+3.2/20+5/32+5/50+10 t typical; listing variant up to 450/80 t |
| Span Range | 18–35 m typical; platform range 10.5–31.5 m |
| Max. Lifting Height | Main hook ~10 m; Aux hook ~12 m (examples from table) |
| Work Duty | A4/A5/A6/A7 |
| Lifting Mechanism | Electric winch/trolley with steel wire rope |
| Hoisting Speed | Main ~10 m/min; Aux ~15 m/min |
| Trolley Travel Speed | ~35 m/min |
| Crane Travel Speed | ~40 m/min |
| Motors | Heavy‑duty slip‑ring motors; main hoist 15/22/37/45/55 kW; trolley 15/22/37 kW |
| Long‑Travel Drive | 2×6.3/2×8.5/2×11 kW |
| Control Methods | Remote control; Cabin control |
| Power Supply | 3‑phase AC 380 V, 50 Hz; conductor via cable reel or busbar |
| Structure Material | Q235 or Q345 steel; shot‑blasting Sa2.5; epoxy zinc‑rich coating |
| Electrical Brands | CHINT / Siemens / Schneider |
| Safety Functions | Travel limit switch, current/voltage protection, overload protection, emergency stop |
| Rail Recommendation | 30 kg/m, 38 kg/m, 43 kg/m, 50 kg/m (per load/span) |
| Application | Outside: port, yard, open‑air warehouse, logistics |
| Documentation | Machinery test report N/A on listing; general specs and images provided |
| Warranty | 1 year |
| Brand/Make | Yuntian / SGY |
| Lead Time | 30 days for 1 set; >1 set negotiable |

Features at a Glance
Double‑girder rigidity for heavy blocks and large components
A‑/U‑frame options, cantilever capability, long‑travel stability
Remote and cabin controls for safe, precise operations
Q235/Q345 steel, Sa2.5 blasting, epoxy zinc‑rich paint
1‑year warranty; replacement parts and online support
FAQ
1. What’s the information should I provide when inquiry?
More details or drawings, better. A: Lift capacity B: Crane arm length C: lift height: hook travel distance D: What material to lift E: power source or other specials you give us will be more appreciated.
2. How many operating methods for my selection?
Standard operating methods: A: pendent controller with push buttons .B: remote control with push buttons. Choose any type as you like.
3. Can this type work in hazardous environment?
Sure! We can customize for you, acid proof or explosion proof, no problem for that.
4. What about warranty time ?
Use within the standard for the next 12 months.
5. How can we install the crane? Our senior engineer can be your side to do the installation guide service and training.
6. May I visit your factory?
Of course. We can pick you up at train station, high-speed rail station or airport, and book hotel for you.