2006 Komatsu PC200-7 Excavator, Nanchang, Jiangxi - $16,853

[MikePhua]

                                       

ID：1825275

The Komatsu PC200-7, introduced in 2006, is a highly regarded 20-ton hydraulic crawler excavator designed to meet the demanding requirements of construction, mining, and other heavy-duty industries. With its powerful performance, efficient hydraulics, and durable design, the PC200-7 continues to be a reliable workhorse for contractors worldwide. This article explores the key specifications, features, and real-world applications of the PC200-7 to understand its capabilities and why it remains a popular choice in the heavy equipment industry.
Key Specifications and Features
The PC200-7 combines strength, precision, and versatility, making it suitable for a wide range of tasks. Below are the key specifications:

• Operating Weight: 20,253 kg (20 tons)
  
• Bucket Capacity: 0.8 m³
  
• Arm Length: 1840 mm / 2410 mm
  
• Engine Power: 107 kW
  
• Engine Model: Komatsu SAA6D102E-2
  
• Displacement: 5.883 L
  
• Cylinder Dimensions: 102 mm × 120 mm
  

These specifications position the PC200-7 as an efficient and powerful machine, capable of handling demanding tasks such as digging, lifting, and material handling in various environments.
Hydraulic and Power System
The hydraulic and power systems of the PC200-7 are designed to deliver optimal performance under a variety of working conditions. Key features of the system include:

• Main Pump Flow: 2×214 L/min
  
• Travel Hydraulic Circuit Pressure: 37.3 MPa
  
• Swing Hydraulic Circuit Pressure: 28.9 MPa
  
• Control Hydraulic Circuit Pressure: 3.2 MPa
  
• Main Pump Type: Variable displacement piston pump
  

These specifications ensure that the PC200-7 delivers fast cycle times, excellent lifting power, and precise movements. The variable displacement piston pump ensures smooth and efficient operation while minimizing fuel consumption.
Engine Performance and Fuel Efficiency
The Komatsu SAA6D102E-2 engine is a water-cooled, four-stroke, direct-injection engine that provides 107 kW of power. It has a displacement of 5.883 liters, with a cylinder size of 102 mm by 120 mm. The engine is built for durability and efficiency, making the PC200-7 ideal for extended hours of operation in challenging conditions.

• Engine Power: 107 kW
  
• Fuel Tank Capacity: 400 L
  
• Engine Oil Change Capacity: 24 L
  
• Coolant Capacity: 22.4 L
  

The combination of engine power and fuel tank capacity ensures that the PC200-7 can work long shifts without frequent refueling, contributing to higher productivity on the job site.
Performance and Work Capacity
The PC200-7 is designed to handle a wide range of tasks, from excavation to heavy lifting. Below are some of the machine’s performance highlights:

• Bucket Digging Force: 149 kN
  
• Arm Digging Force: 145 kN
  
• Travel Speed: 12.4 km/h
  
• Maximum Digging Depth: 5380 mm
  
• Maximum Digging Radius: 9380 mm
  
• Maximum Digging Height: 9800 mm
  
• Maximum Dumping Height: 6890 mm
  
• Maximum Swing Radius: 8660 mm
  

These performance metrics ensure that the PC200-7 is suitable for various applications, including trenching, digging foundations, and lifting heavy loads. Its powerful digging forces allow for efficient material handling, even in tough soil conditions.
Dimensions and Maneuverability
Despite its robust size, the PC200-7 is designed for excellent maneuverability, allowing it to work effectively in confined spaces and navigate complex job sites. Its dimensions include:

• Transport Length: 9480 mm
  
• Transport Width: 3000 mm
  
• Transport Height: 2985 mm
  
• Cab Height: 2095 mm
  
• Tail Swing Radius: 3270 mm
  
• Track Length: 4080 mm
  
• Track Width: 600 mm
  

The spacious track width of 600 mm ensures stability on rough terrain, while the tail swing radius of 3270 mm allows for smooth rotation in tight spaces.
Operational Range and Reach
The PC200-7 is designed for impressive reach and digging depth, making it ideal for a variety of construction tasks:

• Maximum Digging Radius: 9380 mm
  
• Maximum Digging Depth: 5380 mm
  
• Maximum Digging Height: 9800 mm
  
• Maximum Dumping Height: 6890 mm
  

The long reach and depth make the PC200-7 highly versatile for tasks such as deep excavation and high lifting.
Applications and Versatility
The PC200-7 is a highly versatile machine suitable for numerous applications:

• Excavation and Trenching: Ideal for digging foundations, trenches, and utility installations.
  
• Material Handling: Efficient at lifting and moving heavy materials across job sites.
  
• Road Construction: Suitable for road construction and earthmoving tasks that require high lifting and digging capacities.
  
• Landscaping: Capable of handling landscaping tasks that require precise digging and grading.
  

Its wide operational range, powerful engine, and durable construction make it an asset to any project, whether in urban or rural settings.
Maintenance and Serviceability
The Komatsu PC200-7 is designed with ease of maintenance in mind. The machine's large fluid capacities (fuel, hydraulic oil, engine oil) ensure that the equipment runs for extended periods before requiring attention. Regular servicing of the engine, hydraulic system, and undercarriage is essential to maintain optimal performance.
Conclusion
The Komatsu PC200-7 excavator remains one of the most reliable and powerful machines in the 20-ton class. Its combination of power, efficiency, and maneuverability makes it an ideal choice for a wide range of construction applications. Whether you're involved in digging, lifting, or material handling, the PC200-7 delivers consistent and high-quality performance that contractors can rely on. With its durable construction and fuel-efficient engine, it offers long-term value, making it a favorite in the heavy equipment industry.