Things to consider before buying a gantry crane

Guide to choosing the right gantry crane

Is your business considering investing in a gantry crane? Clarify several key factors before choosing a crane solution. The right gantry crane depends, amongst other things, on load capacity, lifting height, working area, mobility, ground conditions, safety, and future needs.

This guide provides an overview of the key considerations before purchasing a gantry crane and reviews different types of gantry cranes, making it easier to assess which solution best suits the task.

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When is a gantry crane the right solution?

A gantry crane can be a good solution when you need safe, efficient handling of heavy loads, but a fixed overhead crane or traveler crane isn't the best option..

This might be the case, for example, if:
  • the building is not suitable for a ceiling-mounted crane
  • lifting is required outdoors
  • the crane needs to be moved between work areas
  • large or heavy loads need to be handled
  • a flexible lifting solution is required without extensive structural alterations
  • lifting tasks vary from project to project

A gantry crane can be used in many sectors, including manufacturing, workshops, warehousing, construction, the concrete industry, ports, marine, and maintenance.

CERTEX-GH Gantry Crane

Which gantry crane should I choose?

No single gantry crane suits all needs. Base your choice on the specific lifting task and the physical conditions under which the crane will operate.

Before choosing a gantry crane, you should clarify:
  1. How heavy is the load to be lifted?
  2. How high does the load need to be lifted?
  3. How large a working area does the crane need to cover?
  4. Should the crane be fixed, mobile or motorised?
  5. Will the crane be used indoors or outdoors? 
  6. Does the load need to be moved whilst suspended from the crane?
  7. What are the requirements regarding safety, inspection and documentation?

The sooner you clarify these questions, the easier it is to choose a solution that meets operational, safety, and financial requirements


7 key considerations before purchasing a gantry crane

1. Capacity and maximum load

Capacity is one of the most important parameters when purchasing a gantry crane. The crane must be sized for the heaviest load to be lifted – not just the average load.

Also remember to factor in the weight of:
  • Lifting beams
  • Hooks
  • Hoists
  • Chains
  • Straps
  • Customised lifting equipment

Also consider whether requirements may change in the future. If production is expected to handle larger or heavier items later on, it may be advantageous to choose a solution with extra capacity from the outset.

Questions to ask:
  • What is the weight of the heaviest load?
  • How often will lifting be required?
  • Will the crane be used for repetitive lifting or occasional tasks?
  • Do you need an extra safety margin?
  • Does the load need to be transported suspended beneath the crane?

2. Lifting height and span

Lifting height determines how high the load can be lifted, while span determines how wide an area the crane can cover. Both factors are crucial to the crane's day-to-day efficiency.

When choosing a gantry crane, you should consider:
  • Clear height inside the building
  • Height of the loads to be lifted
  • Height of machinery, racking or transport equipment
  • The space required for the hoist and hook
  • Required working width between the crane's legs

A crane that is too low may restrict its use, whilst a crane that is too large may be unnecessarily expensive or difficult to position. Therefore, always assess lifting height and span in the context of the workflow.


3. Fixed, mobile or motorised gantry crane?

A key part of the decision is determining how flexible the solution needs to be.

Fixed or rail-mounted gantry crane

A fixed or rail-mounted gantry crane is suitable when lifting tasks take place within a clearly defined area. It may be well suited to production, warehousing, shipyards, or outdoor handling of large items;

Advantages:

  • High stability
  • Suitable for repetitive lifting
  • Suitable for heavy loads
  • Can cover large working areas
  • Suitable for fixed production flows/li>
  • Can be customised for capacity, height and span

This type of gantry crane is often a good choice where there is a permanent need and loads must be moved safely within a defined area.

Mobile gantry crane on wheels

A mobile gantry crane on wheels can be moved between different work areas and is therefore well suited to businesses with varying lifting requirements.

Advantages:

  • Flexible positioning
  • Can be used in multiple locations within the business
  • Typically requires less installation work
  • Ideal for servicing, assembly and maintenance
  • Can be an alternative to multiple fixed cranes

For portable/mobile gantry cranes, check whether the crane is permitted to move while carrying a load and whether the floor is suitable for travel.

Motorised or self-propelled gantry crane

A motorised gantry crane may be appropriate when heavy loads need to be moved more efficiently between work areas. It can be an alternative where an overhead crane is too large, too expensive or impossible to install.

Advantages:

  • Makes it easier to move heavy items
  • Reduces manual handling
  • Provides better ergonomics for the operator
  • Suitable for transport between workstations
  • Can offer high flexibility without a fixed crane runway

Carefully assess this type of solution for surface, operation, safety, and maneuvering space.


4. Indoor or outdoor use

The environment plays a major role in determining which gantry crane you should choose. A crane for indoor workshop use has different requirements to a gantry crane for outdoor industrial use, at a port or in a marine environment.

For indoor use, you should particularly consider:
  • Ceiling height
  • Door openings
  • Floor load-bearing capacity
  • Space around machinery
  • Whether the crane needs to be movable
  • Access to a power supply
For outdoor use, you should also consider:
  • Wind conditions
  • Rain, frost and temperature fluctuations
  • Korrosion protection
  • Salt water or corrosive environments
  • Parking and securing requirements
  • Base or rail system

If the gantry crane is to be used in port or marine environments, you may need a particularly robust solution with high resistance to wind, moisture, and corrosion.

Gantry crane in a gateway

5. Foundation, floor and track

The foundation is crucial for both safety and functionality. Before purchasing a gantry crane, you should check whether the floor or ground can support the total load from the crane, the load and any wheel pressure

Consider, amongst other things:
  • whether the foundation is level
  • whether the floor has sufficient load-bearing capacity
  • whether there are any cracks, joints or differences in level
  • whether the crane will run on wheels or rails
  • whether the ground is affected by oil, water or dirt whether there is sufficient space for safe maneuvering

A wheeled gantry crane typically requires a level, stable surface, while a rail-mounted solution requires proper installation of a crane runway or rails.

Remote control

6. Does the load need to be moved whilst under load?

Not all gantry cranes are designed to be moved whilst carrying a load. Therefore, clarify whether the crane will be used solely for vertical lifts or whether the load also needs to be transported from one location to another.

Questions you should ask:
  • Does the load only need to be lifted up and down?
  • Does it need to be moved sideways?
  • Does the crane need to be moved whilst the load is suspended?
  • Should the transport be manual or motorised?
  • Is a remote control required?
  • Is there a risk of the load swinging? 

If the load is to be transported underneath the crane, this places greater demands on stability, wheels, brakes, steering and safety equipment .


7. Safety, service and statutory inspections

A gantry crane is a lifting solution that must operate safely every day. Safety, documentation and service should therefore be a natural part of the purchasing decision.

When purchasing a gantry crane, you should ensure:
  • Correct sizing
  • CE marking and documentation
  • Clear indication of the maximum load
  • Suitable hoist and lifting equipment
  • User training
  • Schedule for statutory inspections
  • Access to service and spare parts
  • Risk assessment of the work area

It may be beneficial to involve a crane specialist early on in the process, so that both technical requirements and health and safety aspects are properly assessed.

Image | © CERTEX Danmark A/S

Other types of gantry cranes

Aluminium gantry crane (lightweight gantry crane)

An aluminium gantry crane is typically lightweight, flexible and easy to handle. It is often used for servicing, assembly, maintenance and temporary lifting tasks.

Advantages:

  • Low dead weight
  • Easy to transport
  • Quick set-up
  • Suitable for confined spaces
  • Good for temporary lifting
  • Often easier to dismantle and store
  • Suitable for service and maintenance tasks

An aluminum gantry crane is often a good choice when mobility and low weight matter more than very high lifting capacity.

Semi-gantry crane

Semi-gantry cranes are a flexible, space-saving solution for safe lifting in production facilities, warehouses, and workshops. The crane runs with one side on a floor rail, whilst the other side is mounted on a wall- or column-supported track. This allows for optimal use of existing buildings and frees up floor space

A semi-gantry crane can be customized for lifting capacity, span, and control systems to suit specific tasks. It can also be combined with various hoists and lifting attachments. The result is improved ergonomics, high operational reliability, and more efficient workflows.

Foldable gantry crane

A foldable gantry crane is suitable when the crane is not used constantly or when storage space is limited.

Advantages:

  • Space-saving
  • Easy to store
  • Quick to set up when needed
  • Suitable for periodic tasks
  • Flexible for changing work locations
  • Does not necessarily require permanent installation

This type suits businesses where lifting requirements vary or where the crane needs to be put away after use.

Gantry cranes for ports and marine environments

Gantry cranes for port and marine environments must withstand demanding conditions. They often handle heavy loads, operate outdoors, and withstand wind, moisture, and corrosion.

Advantages:

  • Robust construktion
  • Suitable for outdoor use
  • Can be adapted to harsh environments
  • Ideal for handling boats and heavy components
  • Potential for high capacity
  • Can be customised for specific lifting tasks

This type of solution should always be designed to meet capacity, environmental and safety requirements.

Guide to gantry cranes: How to choose the right one

When choosing a gantry crane, it can be helpful to take a systematic approach to assessing your requirements..

RequirementsRelevant type of gantry crane
Temporary lifting tasksFoldable gantry crane or aluminium gantry crane
Service and maintenanceAluminium gantry crane or mobile gantry crane
Changing work areasMobile gantry crane on wheels
Transport of heavy loads between workstationsMotorised gantry crane
Repetitive lifting within a fixed areaRail-mounted gantry crane
Outdoor industrial useHeavy-duty steel gantry crane
Port or marineCustomised gantry crane for demanding environments
Limited headroom or building without a crane runwayMobile or freestanding gantry crane

Common mistakes when purchasing a gantry crane

To choose the right solution, it is also important to know the typical mistakes many people make during the process.

Choosing too low a capacity: If the crane is sized too close to the current maximum load, it can quickly become a limiting factor if requirements change.

Overlooking the weight of the lifting equipment: Hoists, slings, hooks and other lifting gear all contribute to the total load. Always include this in the calculation.

Underestimating space requirements: The crane's legs, wheels, hook travel and manoeuvring area all require space. It is important to consider the entire working area – not just the lift itself.

Forgetting the ground surface: An uneven or inadequate floor can affect both safety and ease of use, particularly with mobile gantry cranes.

Choosing without considering future needs: A gantry crane is a long-term investment. Therefore, the assessment should consider future products, workflows, and capacity requirements.

Does the gantry crane need to be customised?

In many cases, a standard solution may be sufficient. However, if the crane is to be used for specialised loads, demanding environments or complex workflows, a customised solution may be required.

Customisation may, for example, involve:
  • Special span
  • Increased lifting height
  • Specific capacity
  • Outdoor corrosion protection
  • Motorised drive
  • Special lifting attachments
  • Adaptation to existing production flow
  • Integration with other equipment

A customized gantry crane can be advantageous if standard models are not ideally suited to the task.


Get advice on choosing a gantry crane

If you are unsure which gantry crane to choose, ask for advice early in the process. The right solution depends on load, working area, environment, safety and day-to-day use.

At CERTEX Danmark A/S, we can help you assess your requirements and find a gantry crane that suits your company's lifting tasks. With the right advice and a clear understanding of your requirements, it becomes easier to choose a gantry crane that is safe, efficient and future-proof.


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Frequently Asked Questions about buying a gantry crane

Before choosing a gantry crane, clarify the lifting capacity, lifting height, span, working area, mobility, ground conditions, and whether the crane will be used indoors or outdoors. Also consider safety, documentation, servicing, and future requirements so the solution suits both operational and financial needs.

The gantry crane must be sized according to the heaviest load to be lifted – not just the average load. Also factor in the weight of lifting equipment such as hoists, hooks, chains, slings, and lifting beams. It is advisable to choose extra capacity in case you need to lift heavier items in the future.

It depends on the lifting task. A fixed or rail-mounted gantry crane suits repetitive lifting within a fixed area. A mobile gantry crane on wheels suits changing work areas, as well as service and maintenance. A motorised gantry crane is appropriate when heavy loads need to be moved efficiently between workstations and manual handling needs to be reduced.

Yes, but outdoor use requires specific considerations. Consider wind, rain, frost, temperature fluctuations, corrosion protection, the ground surface, and any safety measures required when parked. In port and marine environments, an extra-robust solution may be required to withstand moisture, salt water, and corrosion.

Not all gantry cranes are designed to be moved whilst carrying a suspended load. Clarify in advance whether the crane will be used solely for vertical lifts or whether the load will also be transported. If the load is to be moved whilst suspended from the crane, this places greater demands on stability, wheels, brakes, steering and safety equipment.

Are you considering buying a crane??

Here, you can read about the considerations you should make first. We have listed 10 important things to consider in this article.

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