Educational Resources

Crane Sizes

Mar 7, 2023 | Crane Rental Service

 In the world of heavy machinery, cranes are the heroes that lift, hoist, and move loads with precision and power. Whether you’re a construction enthusiast or simply curious about these mechanical marvels, join us as we reach for new heights in understanding crane sizes. 

How to Know You Have the Right Size

Selecting the right crane size for your construction project is a critical decision. It can significantly impact project efficiency, safety, and cost-effectiveness. 

Consider these factors when selecting a crane size:

Lift Capacity

The most fundamental aspect of choosing the right crane is its lifting capacity. Calculate the heaviest load you’ll need to lift during your project. This includes potential future requirements. Ensure that the crane’s capacity exceeds this weight to allow for a safety margin. It’s essential to consult load charts provided by manufacturers to match your needs.

Working Radius

The crane’s working radius, or the horizontal distance between the crane’s center and load, is a critical factor. Ensure the crane can reach desired points without compromising stability.

Frequency and Duration

Determine how often and long you’ll need the crane. If you require it for an extended period, it may be more cost-effective to invest in a larger crane to minimize downtime and maximize efficiency.

Regulations and Permits

Ensure that you are aware of local regulations and permitting requirements. 

This includes: 

  • Obtaining necessary permits
  • Conducting safety inspections
  • Adhering to weight restrictions

Selecting the right crane size for your construction project involves careful thinking. By considering all these factors, you can ensure that you have the ideal crane for your project.

Signs That You Need Larger Crane Sizes

Knowing when to upgrade to a larger crane is crucial for the safety and efficiency of your construction project. Several signs and indicators can help you recognize when your current crane size may no longer be adequate:

Exceeding Load Capacity

If you consistently find that your crane is operating close to or exceeding its maximum load capacity, it’s a clear sign that you need a larger crane. Overloading a crane is extremely dangerous and can lead to catastrophic accidents.

Insufficient Boom Length

When your project requires reaching greater heights than your crane can handle, you need a larger crane. This is necessary to ensure that the job can be completed safely and efficiently. Attempting lifts beyond a crane’s reach can compromise stability and safety.

Extended Project Duration

If your construction project has an extended timeline, it’s worth considering investing in a larger crane. This can be particularly cost-effective if you anticipate using the crane frequently. Doing so can help reduce downtime and maximize overall project efficiency.

Frequent Boom Extensions

If you find yourself needing to extend the crane’s boom to its maximum length or relying on multiple boom extensions, this is an indication that your current crane size may not be well-suited to meet the typical requirements of your project. It’s advisable to consider whether a larger crane would be suitable for your needs to enhance efficiency.

Safety Concerns

Safety should always be a top priority. If you see the crane wobbling, moving side to side, or having trouble staying steady when lifting things, that’s a signal telling you that maybe the crane you’re using isn’t the right size for the job. It’s like using a wrench that’s too small for a big bolt – it just doesn’t work well together. So, you might want to think about getting a bigger crane that matches the job better.

Excessive Strain

When a crane has a hard time picking up heavy things or it feels like it’s working too hard when lifting, it’s not a safety concern. It can also cause more damage to the crane and make it need expensive fixes, causing the crane to be out of service for a while.

Changing Project Scope

As construction projects evolve, the scope and requirements may change. If your project’s requirements have grown, you should reevaluate the size of your crane. Check to see if your current equipment can still handle the increased demands. It’s crucial to ensure that your crane matches the new needs of the project.

Recognizing the signs that you need a larger crane size is essential to maintain safety, productivity, and project success. Evaluating your project’s lifting requirements and seeking professional advice can help you make informed decisions about upgrading to a more suitable crane size when necessary.

Frequently Asked Questions About Crane Sizes

What crane can lift 200 tons?

A crane capable of lifting 200 tons is typically categorized as a heavy-duty crane with a high lifting capacity. Several types of cranes can handle such a significant load, including:

  • Mobile All-Terrain Cranes: These versatile cranes are designed for off-road and on-road use. They have large wheels or tracks for maneuverability on various terrains and can lift heavy loads, including 200 tons or more. Brands like Liebherr, Grove, and Demag manufacture all-terrain cranes with such capabilities.
  • Crawler Cranes: Crawler cranes are known for their stability and lifting capacity. They are often used in large construction projects where heavy loads need to be hoisted. Crawler cranes can be configured to lift 200 tons or even more. Manufacturers like Manitowoc and Kobelco produce crawler cranes in this capacity range.
  • Tower Cranes: While tower cranes are primarily used for vertical lifts during construction, some models can achieve impressive lifting capacities. These cranes are typically stationary and are commonly used in the construction of tall buildings. Potain, Liebherr, and Terex are known for producing high-capacity tower cranes.

Can I modify or extend the boom of a crane to reach higher?

Modifying or extending the boom of a crane to increase its reach is a complex and specialized operation that requires careful consideration, engineering expertise, and adherence to safety regulations. It’s not a task that can be undertaken casually or without proper planning. 

While it is technically possible to extend the boom of a crane to increase its reach, it’s a complex process that should be approached with caution, expert guidance, and strict adherence to safety and regulatory requirements. 

Consulting with crane manufacturers, structural engineers, and crane experts is essential to ensure that any modifications are carried out safely and within the bounds of the law.

What factors should I consider when selecting the right crane size for my project?

Selecting the right crane size for your project is a crucial decision that can significantly impact safety, efficiency, and cost-effectiveness. To make an informed choice, consider the following key factors:

  • Load Capacity: Determine the maximum weight you need to lift during your project. Ensure that the crane’s capacity exceeds this weight comfortably to allow for a safety margin. Consult load charts provided by crane manufacturers for precise capacity information.
  • Boom Length: Evaluate the height and reach required for your lifts. Consider any obstacles or obstructions that might necessitate a longer boom. Crane booms can often be extended or configured differently to accommodate various job site conditions.
  • Working Radius: Assess the horizontal distance between the crane’s center and the load. Ensure that the crane can reach all necessary points without overextending or compromising stability.

Hire a Professional

Your growing business deserves the unparalleled lifting capacity of a large crane to speed up the growing production without any interruption. For a reliable lifting solution, you can count on Express Crane & Rigging. We offer a huge fleet of all-size rental crane truck solutions to various industries.

The information provided in this content offers general insights and opinions regarding crane sizes. It is essential to understand that every crane is unique, and specific details may vary. Therefore, before making any decisions about renting a crane, we strongly recommend consulting directly with a qualified professional who can provide precise guidance tailored to your project’s requirements. Express Crane and Rigging takes pride in its expertise but cannot be held responsible for individual choices made without professional consultation. Your safety and project success are our top priorities.