- May 16, 2025
- Case Studies
30 Tons, 40 Tons, 60 Tons, 100 Tons Heavy Duty Bridge Crane
Explore our range of heavy-duty bridge cranes, available in 30, 40, 60, and 100 tons. Engineered for durability and efficiency, these cranes enhance your lifting capabilities. Discover the perfect solution for your industrial needs today.
Yuantai Crane specializes in double-girder overhead bridge cranes for heavy-duty lifting applications. These cranes are engineered for high-capacity work – lifting 30, 40, 60, and up to 100tons – and are built to demanding industry standards. They serve heavy industries like steel mills, shipyards, power plants, and foundries. For example, Yuantai's double-girder 30–100ton cranes are used as industrial overhead cranes for steel plants and even as bridge cranes for shipyards. Each model is customizable (span, lift height, controls) and carries ISO9001, CE, and FEM certifications.
Yuantai Heavy-Duty Crane Models
Yuantai offers a lineup of heavy-duty overhead cranes in the 30, 40, 60, and 100ton ranges. All are double-girder, top-running cranes suited to long spans and heavy lifts. Key specifications of each model include span, lift height, and power requirements (typical values shown below):
- 30-Ton Bridge Crane: 7.5–31.5m span, up to 26m lift height. Voltage 380V/50Hz or 480V/60Hz options. IP55–IP67 protection.
- 40-Ton Bridge Crane: 10.5–31.5m span, up to 26m lift height. Voltage 220–440V (50/60Hz). IP55–IP67 rated.
- 60-Ton Bridge Crane: 6–31.5m span, lift height 6–26m. Voltage 220–440V (50/60Hz). Protection IP44–IP67.
- 100-Ton Bridge Crane: Heavy-duty double-girder design. Typical spans 10–35m, working classes A5 or higher. (Yuantai can custom-build spans and duty classes as required.)
Key Features of Yuantai Heavy-Duty Models
Each crane is built with high-integrity steel girders and heavy-duty end trucks. For example, a 60-ton model uses two parallel main girders on robust end carriages to support the load. The hoist unit (wire-rope or rack & pinion) runs on a trolley between the girders. Yuantai's cranes include features like built-in maintenance walkways on the bridge and easy access to the hoist, similar to industry-leading designs.

1. Structural construction and materials
Yuantai cranes are constructed with sturdy end trucks that can withstand fatigue and bending, as well as high-integrity, heavy-section steel girders. Plate and welded box profiles are used in the main girders to provide high rigidity and a consistent safety margin. End trucks use tapered roller bearings and big rollers to support the bridge loads. Sections and welds are sized by designers to control deflection and achieve fatigue life goals. As a result, the hoist alignment and travel remain smooth even under enormous weights because to a sturdy, long-lasting structure.
2. Hoist and trolley configuration
The hoist — either a heavy wire-rope unit or a winch — runs on a trolley that spans between the girders. Wire-rope hoists use multi-fall reeving to multiply lifting capacity and to control lifting speed. A winch offer a compact footprint for medium capacities and precise vertical control. Trolley beams, wheel profiles, and bearings are sized to match hoist loads and to distribute forces into the main girders and end trucks.
3. Built-in maintenance access and serviceability
Yuantai designs include built-in walkways and service platforms on the bridge to make routine inspection and repair safer and faster. Walkways provide clear access to the hoist, gearbox, motor, and electrical cabinets. Ladders, handrails, and designated inspection points reduce the need for temporary scaffolding. These features speed up maintenance visits, lower downtime, and improve operator safety during inspections.
4. Custom configurations and duty class
To accommodate their workflow and architectural limitations, customers can customize the span, lifting height, trolley placement, and control modes. Cabin operation, radio remote control, and fully automated PLC sequences are just a few of the customized controls and options that Yuantai provides. Standard versions are designed for continuous and high-cycle industrial use and are built to heavy-duty service levels (industry categories like A7/A8 or equivalent).
5. High-capacity hoist details
Yuantai usually installs strong wire-rope hoists with several falls and big drums for the heaviest models, such as 60-t and 100-t cranes, in order to improve safety margins and lessen rope wear. For stable lifting, these hoists have several rope guides, brakes, and sturdy gearboxes. Compact windlass or rack-and-pinion hoists can be used for 30 to 40 t duty to provide accurate control and preserve headroom.
6. Power, drive and control systems
For smooth acceleration and soft starts, bridges and trolleys often use AC variable-frequency drives (VFDs) to power three-phase motors rated for 380–440 V at 50/60 Hz. VFDs provide positional control and lessen mechanical shock. Pendant stations, radio remotes, cabin controls, and complete PLC integration for automated handling are examples of control possibilities. To increase safety and accuracy, modern systems frequently incorporate overload relays, load-limiting devices, anti-two-block protection, and optional motion-profiling or anti-sway features.
Bridge Cranes of Different Tonnages
1. 30-Ton & 40-Ton Cranes
Yuantai's 30-ton and 40-ton bridge cranes are double-girder EOT cranes designed for reliable heavy lifting in factories, warehouses, and industrial plants. Both models share a strong structural design, with robust girders and end trucks that stay stable under 30–40-ton loads, and standard spans up to about 31.5 meters with lifting heights reaching 26 meters. They are equipped with electric hoists and mechanical hooks as standard, and can be fitted with grab buckets or electromagnetic attachments for special handling needs. Frequency-driven controls provide smooth starting, stopping, and precise load positioning, which improves safety and operator comfort. These cranes are widely used in steel fabrication, equipment assembly, and general material handling, where they often replace several smaller cranes to boost efficiency. For specific applications, Yuantai also supplies specialized versions in these capacities, including grab cranes for scrap handling and electromagnetic cranes for lifting steel plates and coils.
2. 60-Ton Crane
The 60-Ton Bridge Crane from Yuantai Crane is a heavy-duty lifting solution designed for demanding industrial work. It uses a double-girder overhead crane design, with two strong box girders that provide high stability and excellent load-bearing capacity. The crane is equipped with robust end trucks that run on heavy rails, a 60-ton wire-rope hoist with a reinforced drum and hook block, and a trolley that moves the hoist smoothly across the bridge. This structure allows the crane to lift very large and heavy loads, such as steel molds, turbine components, and large machinery parts, with precise control and safe operation. The 60-ton crane is widely used in power plants, steel mills, heavy manufacturing workshops, and warehouses handling oversized loads. Special versions are also available, including ladle cranes with heat-resistant components for steelmaking, grab cranes for bulk materials, and magnet cranes for scrap steel handling, making it a flexible solution for many heavy-lifting applications.
60Ton Specifications (typical): Span up to 31.5m; lift height up to 26m. Protection class IP44–IP67. Service class A6–A7 for foundry duty.
3. 100-Ton Crane
The 100-Ton Crane from Yuantai is a true heavy-duty lifting solution designed for the most demanding industrial applications. It is a double-girder, top-running overhead crane built with massive box-beam girders and a highly robust steel structure to ensure strength, stability, and long service life. This crane typically spans over 20 meters and offers lifting heights of 10 to 20 meters, depending on building conditions. It is widely used in steel plants for handling slabs or coils, in shipyards for moving large hull sections, and in heavy manufacturing facilities for oversized components. Yuantai's 100-ton cranes can be configured as standard EOT, European-type, explosion-proof, or underhung designs to suit different operating environments, including hazardous areas that require non-sparking components. Key features include high-grade steel to FEM A7/A8 standards, customizable span and lifting height, overload protection, multiple hoisting speeds, and an optional second trolley for dual-lift operations. Designed in line with international heavy-crane standards, Yuantai's 100-ton cranes deliver reliable performance, precise control, and flexibility for high-capacity lifting tasks.
Design and Safety Features
These heavy-duty bridge cranes are built for serious lifting in demanding plants. The design focuses on strength, control, and long service life. Safety systems work together to protect your load, your people, and your building. If you handle 30 to 100 tons every day, these features help you lift with confidence and keep downtime low.
1. Modular Steel Structure
The bridge and girders use a modular steel design that makes the crane strong and consistent. Plates are cut by CNC machines and welded by automated systems for stable quality. Every critical weld goes through ultrasonic or X-ray testing. This process helps prevent hidden defects and gives you a structure you can trust for long-term use.
2. Reduced Weight & Wheel Loads
The girders use optimized profiles that balance strength and weight. You get high load capacity without unnecessary steel. This lowers wheel loads on the rails and reduces stress on the building. For you, this often means lower civil work costs and better compatibility with existing structures.
3. Variable-Frequency Drives
All crane motions use VFD control, including hoisting, trolley travel, and bridge travel. Movement starts and stops smoothly, without jerks. This protects the load and reduces wear on mechanical parts. You also benefit from better energy efficiency and easier speed control during precise handling.
4. Synchronization (Multi-hook)
For long or flexible loads, Yuantai can provide synchronized multi-hook systems. Multiple hoists on one bridge move together in a controlled way. This keeps the load level and reduces internal stress. If you lift beams, shells, or long assemblies, this feature helps you work faster and safer.
5. Anti-Sway Control
The anti-sway system actively reduces load swing during travel and positioning. It supports the operator by stabilizing the load automatically. This improves accuracy and shortens handling time. In daily operation, you notice smoother movements and fewer corrections near the target position.
6. Limit Switches & Brakes
Each motion axis has upper and lower limit switches to prevent overtravel. The hoist and bridge use dual braking systems, combining electromagnetic brakes with mechanical disc brakes. Even during power loss, the system keeps the load secure. This no-drop design is essential for heavy-duty lifting.


7. Overload Protection
Load-sensing devices monitor the actual lifting force in real time. If the load exceeds the rated capacity, the system stops the hoist from lifting further. This protects the crane structure and prevents unsafe operation. For you, it also reduces the risk of costly damage caused by overloading.
8. No-Voltage Protection
The control system includes no-voltage protection as a standard safety function. If control power is lost, the crane stops safely instead of restarting unexpectedly. When power returns, the operator must reset the system intentionally. This helps avoid sudden movements that could endanger people or equipment.
9. Collision and Zone Protection
Optional systems can add another layer of safety in busy workshops. These include crane-to-crane collision detection, end-of-travel buffers, and zone or area protection. They help prevent the crane from entering restricted spaces. If you run multiple cranes in one bay, these options can greatly reduce operational risk.
10. Ergonomic Control
You can choose the control method that best fits your workflow. Operator cabins offer clear visibility, safety glass, and climate control for long shifts. Pendant controls and wireless remotes allow safe operation from the ground. This flexibility helps you improve comfort, visibility, and overall job safety.
Application Industries
Heavy-duty bridge cranes play a key role wherever large and heavy loads must move safely and efficiently. The 30–100 ton range covers most demanding industrial lifts. These cranes work indoors and outdoors. They support daily production, maintenance, and assembly tasks. Choosing the right capacity and configuration helps you improve safety, reduce downtime, and protect valuable equipment.
1. Steel & Metallurgy
In steel mills and metallurgical plants, overhead bridge cranes move raw materials and finished products throughout the production line. You will see them handling steel slabs, hot billets, coils, and scrap. A 30–40 ton crane often serves rolling and processing workshops where coils need steady and precise transfers. A 60 ton magnet crane is common for lifting ingots or scrap metal quickly and efficiently. These cranes must handle high temperatures, heavy duty cycles, and long operating hours. Strong structures, stable lifting, and reliable controls are critical for keeping steel production running smoothly.
2. Foundries
Foundries rely on heavy-duty ladle cranes to transport molten metal from furnaces to casting areas. A 60 ton ladle crane is a typical choice for medium to large foundries. These cranes are designed with heat insulation, reinforced girders, and dual braking systems to improve safety during critical lifts. Smooth travel and accurate positioning help prevent splashing and reduce risk to workers. If you operate a foundry, matching crane capacity to ladle weight and temperature conditions is essential for safe and consistent casting operations.
3. Shipyards & Ports
Shipyards use large bridge cranes to assemble hull sections, install engines, and handle oversized components. Capacities usually range from 50 to 100 tons, depending on vessel size and workflow. These cranes often work in harsh coastal environments, so corrosion-resistant coatings and sealed components are important. Rail layouts can vary, and customized end trucks help adapt the crane to existing infrastructure. For you, a well-designed shipyard bridge crane improves lifting efficiency and supports complex assembly tasks without disrupting other operations.
4. Power Plants
Power plants and turbine workshops depend on heavy-duty bridge cranes for installing and maintaining generators, turbines, transformers, and boilers. Lifting capacities typically fall between 30 and 100 tons, which fits well within this crane range. These cranes often operate continuously and must meet strict safety and reliability standards. Stable lifting and precise control protect high-value equipment during installation and maintenance.
5. Mining & Minerals
In mining and mineral processing plants, overhead cranes handle crushers, screens, heavy equipment, and ore containers. Working conditions can be dusty, humid, or hazardous. In coal mines or chemical environments, explosion-proof cranes with flameproof motors and spark-free components are often required. These features help reduce risks and keep operations compliant with safety regulations. For you, selecting the right protection level ensures both worker safety and uninterrupted material handling.
6. Construction & Heavy Manufacturing
Heavy manufacturing plants and construction-related workshops use bridge cranes to assemble large machines such as presses, extruders, and heavy vehicles. A 30–60 ton crane is common for equipment installation and workshop handling. These cranes support precise positioning and repeated lifts during assembly and maintenance. Strong structures and smooth operation help reduce wear on machinery and improve overall productivity. If your facility handles large components daily, a properly sized crane becomes a core part of your workflow.
Yuantai vs. General Market
Yuantai's heavy-duty cranes are comparable to international offerings in design and performance. As noted, Yuantai designs follow international standards (FEM, ISO) and the company holds CE and ISO9001 certifications. This means the cranes' core features (FEM A-class frames, modern drives, safety devices) match global best practices. For example, like other suppliers, Yuantai uses frequency-controlled motors and modular design to reduce deadweight and power consumption.
Compared to general market options:
- Capacity Range: Many standard suppliers offer heavy cranes up to 320–500t. Yuantai not only covers 30–100t fully, but can go beyond (up to 550t) for extreme cases.
- Customization: Yuantai emphasizes tailor-made configurations. The company will adjust specifications (span, height, temperature, explosion-proofing) for site needs. This level of customization is on par with other crane OEMs but often with more flexible pricing.
- Quality Components: Yuantai sources or manufactures key parts (motors, gearboxes, control systems) from well-known brands or equivalent Chinese brands. This is similar to other global suppliers, ensuring reliability. For example, European-style hoists and drives are offered.
- Safety Standards: Just like famous brands, Yuantai integrates advanced safety controls (limit switches, interlocks, anti-collision sensors). We also offer similar Safe Features (sway control, microspeed, etc.) either standard or as options.
- Cost & Support: Yuantai, as a Chinese manufacturer, often provides cost-competitive pricing. We maintain global support with project engineering, installation guidance, and on-site training.
Summary
Yuantai's 30, 40, 60, and 100ton overhead bridge cranes offer robust solutions for heavy industrial lifting. Each is a double-girder, modular crane with powerful hoisting machinery and comprehensive safety features. Technical specifications (spans, lift heights, speeds) are set to industry norms, and all designs comply with FEM/ISO standards. In practice, these cranes are used as industrial overhead cranes for steel plants, foundry cranes for molten metal, bridge cranes for shipyards, and more. Yuantai also provides specialized variants (grab, magnet, ladle, explosion-proof) to match application needs.