Skip to content Skip to sidebar Skip to footer

Dragline Excavator: Function, Types, Pros and Cons

EquippedDragline Excavator is one type of excavator that is usually found in construction work. A dragline excavator is a large machine used in civil engineering and surface mining. It uses a wire rope to drag a bucket through the overburden, which is the material overlying a desirable deposit or seam of mineral or coal. 

The dragline can move the bucket in a horizontal or vertical direction and can be used to excavate material from trenches, pits and other confined areas. The dragline is one of the most cost-effective pieces of equipment for earthmoving and is used in many different industries, including mining, construction and quarrying.

Dragline Excavator

Dragline Excavator Function

A dragline excavator is a large industrial machine used in civil engineering and surface mining projects. This type of excavator is used to remove large quantities of earth and other material from the ground. 

The dragline excavator works by using a long boom and a large bucket suspended from the boom, which is then dragged across the ground. The material is scooped up in the bucket, lifted out of the hole, and then dumped into a pile or truck. Dragline excavators are used in a variety of industries including coal mining, construction, and civil engineering.

Dragline Excavator Benefits

This following are some of the benefits of using dragline excavators for building construction:

  1. High Efficiency: Dragline excavators are incredibly powerful and efficient pieces of equipment, capable of digging large amounts of earth in a short period of time.
  2. Versatility: Due to their flexibility, dragline excavators can be used for a variety of projects, from digging trenches and foundations to clearing debris and preparing sites for construction.
  3. Low Operating Costs: As compared to other excavation methods, dragline excavators are cost-effective, requiring fewer personnel to operate and less fuel to run.
  4. Safety: Dragline excavators are designed to provide a safe working environment for the operator and other personnel on site.
  5. Durability: Dragline excavators are strong and durable, able to handle tough terrain and withstand harsh weather conditions.

Dragline Excavator Advantages and Disadvantages


  • High reach and power: Dragline excavators have a longer reach and much more power than regular excavators, allowing them to dig deeper and more efficiently.
  • Low cost: Dragline excavators are generally cheaper to purchase and operate than other types of excavators.
  • Versatility: Dragline excavators are well suited for a variety of tasks, including digging, loading and hauling, and can be adapted for many types of jobs.
  • Safety: Dragline excavators are generally safer to operate than other types of excavators.


  • Slow speed: Dragline excavators are slow to operate and can take longer to complete tasks than other types of excavators.
  • Limited mobility: Dragline excavators are limited in their mobility and are not well suited for areas with restricted access.
  • High maintenance: Dragline excavators require regular maintenance and can be expensive to repair.
  • High skill level: Dragline excavators require a higher level of skill to operate than most other types of excavators.

Dragline Excavator Types

1. Electric Rope Shovels

These are large-scale excavation machines that feature a wire rope and a bucket system to dig trenches and holes. They are commonly used in surface mining operations, such as strip and open-pit mining.

2. Draglines

These are large-scale excavation machines that feature a cable and bucket system to move large amounts of material over long distances. They are commonly used in surface mining operations, such as strip and open-pit mining.

3. Clamshells

These are large-scale excavation machines that feature a cable and bucket system to scoop up material and move it over long distances. They are commonly used in dredging operations.

4. Backhoes

Backhoes is one of the type of excavator is typically used for digging trenches, holes, foundations, and other construction projects. It features a long arm with a bucket at the end that is used for digging.

5. Long Reach Excavators

Long reach excavators are large-scale excavation machines that feature a long arm with a bucket and other attachments at the end that are used for digging, moving and manipulating large amounts of material. They are commonly used in deep excavations, such as for foundation work and tunneling.

Is a Dragline a Crane?

No, a dragline is not a crane. A dragline is a type of excavator that uses a wire rope or chain to move or drag heavy objects. Cranes, on the other hand, are machines that use a variety of mechanisms, such as pulleys and winches, to lift and move objects.

How big is a dragline excavator?

The size of a dragline excavator depends on the size and power of the machine. Generally, dragline excavators range in size from 15 to 25 meters in height, with a weight ranging from 90 to 800 metric tons.

Dragline Excavator Price

The cost of a dragline excavator varies greatly depending on size, age, and features. A small, used dragline excavator can start at around $50,000, while a large, new dragline excavator can cost up to $1 million or more.

The Best of Dragline Excavator Brands

  1. Caterpillar
  2. Komatsu
  3. Hitachi
  4. Liebherr
  5. John Deere
  6. Volvo
  7. Hyundai
  8. Doosan
  9. Terex
  10. JCB

Dragline Excavator for Sale

Dragline excavators are large pieces of heavy equipment used in the construction industry to excavate large amounts of material such as earth, rock, and gravel. These machines are typically mounted on crawler tracks and feature a large boom arm with a bucket suspended from the end. The bucket is used to scoop up material and deposit it in a pile or onto a conveyor belt. 

If you're looking to purchase a dragline excavator, there are a few things you should consider. First, you'll need to consider the size and type of job you'll be using the machine for. Draglines come in various sizes, from small to very large, and the size you choose should depend on the size of the job.

Additionally, you'll need to consider the power and fuel type of the machine, as this will determine its efficiency and performance. Finally, you should also consider the cost of the machine, as these types of excavators can be expensive. 

When it comes to finding a dragline excavator for sale, it's important to do your research and make sure you're getting the best machine for your needs. You can find dragline excavators for sale from dealers, auctions, and online. 

It's important to compare prices and features to ensure you're getting the best deal. Additionally, you should always check reviews and ratings of the machine you're considering to make sure it's reliable and efficient.