2017 Doosan DX55-9C Excavator, Henan-Pingdingshan City, $9,550

[MikePhua]

                                       

• Brand: Doosan
  
• Model: DX55-9C
  
• Year of Manufacture: 2017
  
• Operating Hours: 9200 hours
  
• Location: Pingdingshan, Henan
  
• Last Updated: Updated 4 hours ago
  

ID：1824856

The Doosan DX55-9C is a compact yet powerful excavator designed for a variety of earthmoving and construction tasks. Manufactured in 2017, this model has logged 9200 operating hours, making it a well-seasoned machine for those seeking reliable performance on the job site. With a mix of cutting-edge technology and practical design, the DX55-9C offers impressive digging, lifting, and maneuvering capabilities, making it an excellent choice for contractors needing a versatile machine for medium-scale projects.
Doosan: A Legacy of Excellence
Founded in South Korea in 1896, Doosan is a globally recognized name in the heavy equipment industry. Known for its innovation, durability, and commitment to quality, Doosan has earned a reputation for producing high-performing machinery that meets the demands of construction, mining, and other heavy-duty industries. The DX55-9C, part of Doosan's robust range of excavators, continues this tradition, offering a powerful combination of efficiency, power, and reliability.
Key Specifications of the Doosan DX55-9C
The Doosan DX55-9C is a 5-ton class crawler excavator, ideal for both urban and rural construction projects. Below are the key specifications for this model:

• Operating Weight: 5500 kg
  
• Engine Type: Traditional power system
  
• Bucket Type: Backhoe bucket (Reverse bucket)
  
• Engine Model: 4TNV94L
  
• Rated Power: 36.2 kW @ 2100 rpm
  
• Displacement: 3.99 L
  
• Number of Cylinders: 4
  
• Bucket Capacity: 0.18–0.21 m³
  
• Arm Length: 3000 mm
  
• Stick Length: 1600 mm
  

Weighing in at 5500 kg, the DX55-9C is powerful yet compact enough for working in tight spaces, such as urban areas or smaller job sites. Its backhoe bucket provides excellent digging and lifting capabilities, making it well-suited for a variety of tasks.
Powerful Engine and Hydraulic System
The heart of the Doosan DX55-9C is its engine and hydraulic system. Powered by the 4TNV94L engine, this model provides an output of 36.2 kW, delivering both the power and fuel efficiency required for demanding operations. The engine's cooling system ensures that it operates efficiently under heavy loads.
The hydraulic system is one of the standout features of this machine. It features a variable displacement pump capable of delivering a maximum flow rate of 2*57.8 L/min. The powerful hydraulic system is designed to support intensive tasks like digging, lifting, and material handling.
Key hydraulic cylinder dimensions include:

• Bucket Cylinder: 85 x 55 x 600 mm
  
• Arm Cylinder: 85 x 55 x 883 mm
  
• Boom Cylinder: 110 x 60 x 719 mm
  

These specifications ensure that the DX55-9C has the necessary power for tough digging and lifting jobs, while also enabling precise and controlled movements.
Impressive Performance and Efficiency
The Doosan DX55-9C combines power with efficiency, making it suitable for a variety of construction and earthmoving tasks. Its performance is characterized by the following:

• Swing Speed: 9.2 rpm
  
• Bucket Digging Force: 40.2 kN
  
• Arm Digging Force: 24.5 kN
  
• Travel Speed: 4.3 km/h (high), 2.4 km/h (low)
  

This performance allows the DX55-9C to excel in a wide range of tasks, from trenching and grading to lifting and material handling. The travel speeds provide a balance between efficiency and power, making it adaptable to various job site requirements.
Dimensions and Design
The DX55-9C is designed with a compact and rugged build, ideal for construction sites that require a machine with a small footprint but big capabilities. The key dimensions of the machine include:

• Transport Length: 5850 mm
  
• Transport Height: 1930 mm
  
• Counterweight Ground Clearance: 685 mm
  
• Minimum Ground Clearance: 360 mm
  
• Tail Swing Radius: 1650 mm
  
• Upper Width: 1860 mm
  
• Track Length: 2540 mm
  
• Track Width: 380 mm
  
• Track Rollers (One Side): 1
  
• Support Rollers (One Side): 5
  
• Track Pads (One Side): 40
  

These compact dimensions, combined with its powerful engine, allow the DX55-9C to operate efficiently in confined spaces, making it ideal for urban construction or projects with limited access.
Fuel Efficiency and Capacity
Fuel efficiency is a major concern for contractors, and the Doosan DX55-9C excels in this area. Its fuel tank capacity of 115 liters allows it to operate for long periods without frequent refueling, helping reduce downtime. Additionally, the hydraulic oil tank capacity of 62 liters supports the machine’s robust hydraulic system.
Operating Range and Capabilities
The Doosan DX55-9C offers an impressive operating range, making it versatile enough to handle a variety of tasks:

• Maximum Digging Radius: 6135 mm
  
• Maximum Digging Depth: 3800 mm
  
• Maximum Digging Height: 5795 mm
  
• Maximum Dump Height: 4110 mm
  
• Maximum Vertical Digging Depth: 3125 mm
  
• Maximum Effective Digging Depth: 3800 mm
  

The wide range of operational capabilities ensures that the DX55-9C is up to the task, whether you're digging deep trenches, lifting heavy materials, or preparing the site for construction.
Applications of the Doosan DX55-9C
The DX55-9C is versatile and well-suited for a variety of tasks in the construction industry:

1. Excavation: Its powerful digging capabilities make it ideal for trenching, digging foundations, and preparing sites for construction.
   
2. Landscaping: With its compact design and precise digging abilities, the DX55-9C is also used for landscaping and earthmoving tasks in residential and commercial projects.
   
3. Demolition: The strength of its digging force allows it to perform light demolition work, such as breaking concrete or removing debris.
   
4. Material Handling: The DX55-9C’s lifting power makes it perfect for moving materials on construction sites, such as dirt, concrete, or construction waste.
   

Conclusion
The Doosan DX55-9C is an excellent choice for contractors looking for a compact, powerful, and reliable excavator for their projects. With its efficient hydraulic system, fuel-saving features, and impressive digging and lifting capabilities, the DX55-9C stands out as a valuable asset for medium-scale excavation and earthmoving tasks. Its small size and robust performance make it versatile enough for a variety of applications, from trenching and landscaping to demolition and material handling. With proper maintenance, this machine will continue to deliver excellent performance for many years to come.