2017 Komatsu PC56-7 Excavator Sichuan - Mianyang City $9,831

[MikePhua]

                               

ID：1825782

• Brand: Komatsu
  
• Model: PC56-7
  
• Year of Manufacture: 2017
  
• Hours: 5493 hours
  
• Location: Sichuan - Mianyang City
  

The Komatsu PC56-7 is a compact and highly efficient mini excavator that has been developed for a wide range of construction and digging applications. Manufactured in 2017, the machine has seen moderate usage, with 5,493 working hours recorded. This excavator is ideal for operations in confined spaces, offering excellent maneuverability and superior performance in a variety of environments. With its roots in the reputable Komatsu brand, known for building durable and efficient machinery, the PC56-7 reflects the company's ongoing commitment to quality and innovation.
Key Specifications and Features

• Brand: Komatsu
  
• Model: PC56-7
  
• Year of Manufacture: 2017
  
• Hours Worked: 5,493 hours
  
• Location: Mianyang City, Sichuan Province, China
  

Dimensions and Weight
The Komatsu PC56-7 has a compact design, allowing for exceptional performance in tight spaces. The machine’s dimensions are as follows:

• Operating Weight: 5,300 kg
  
• Total Length (Transport): 5,935 mm
  
• Total Width (Transport): 1,960 mm
  
• Total Height (Transport): 2,550 mm
  
• Ground Clearance: 320 mm
  
• Rear Swing Radius: 1,650 mm
  
• Track Length: 2,500 mm
  
• Track Gauge: 1,560 mm
  
• Track Plate Width: 400 mm
  
• Track Total Width: 1,960 mm
  

These dimensions enable the PC56-7 to work in small spaces while maintaining stability and strength.
Engine and Power
The engine powering the PC56-7 is the Komatsu S4D87E-1, a reliable water-cooled, 4-stroke, in-line direct-injection engine. This engine delivers a rated power output of 34.5 kW at 2,300 rpm, with a displacement of 2.434 liters.

• Engine Model: Komatsu S4D87E-1
  
• Power: 34.5 kW @ 2,300 rpm
  
• Cooling: Water-cooled
  
• Displacement: 2.434 liters
  
• Stroke: 102.4 mm
  
• Bore: 87 mm
  

This engine provides sufficient power for various excavation tasks, ensuring efficient operation under tough conditions.
Hydraulic System
The Komatsu PC56-7 is equipped with a robust hydraulic system designed for excellent digging and lifting performance. The hydraulic system utilizes fixed and variable displacement piston motors, along with a well-balanced pump setup to ensure smooth and reliable operation.

• Swing Hydraulic Motor: Fixed Piston Motor x1
  
• Travel Hydraulic Motors: Variable Piston Motor x2
  
• Maximum Flow (Main Pump): 2 × 224 + 32 L/min
  
• Working Pressure (Hydraulic System): 26.5 MPa
  
• Boom Cylinder Size: 90 × 689.5 × 55 mm
  
• Arm Cylinder Size: 85 × 709.5 × 55 mm
  
• Bucket Cylinder Size: 75 × 580 × 50 mm
  

Performance
The PC56-7 is built for heavy-duty performance in construction and excavation tasks, providing high lifting and digging force for a machine of its size.

• Ground Pressure: 30.7 kPa
  
• Swing Speed: 9 rpm
  
• Travel Speed: 2.6 km/h (Low), 4.1 km/h (High)
  
• Maximum Digging Radius: 6,130 mm
  
• Maximum Digging Depth: 3,810 mm
  
• Maximum Digging Height: 5,860 mm
  
• Maximum Unloading Height: 4,130 mm
  
• Vertical Digging Depth: 3,060 mm
  

This makes it an efficient choice for both light and heavy-duty applications, offering the right balance of power and maneuverability.
Fuel and Fluid Capacities
The PC56-7 has a generous fuel tank, enabling extended operation before refueling is needed. The hydraulic fluid and engine oil capacities also support longer working hours.

• Fuel Tank: 120 L
  
• Hydraulic Oil Tank: 55 L
  
• Engine Oil Change Capacity: 9.7 L
  
• Coolant Capacity: 8 L
  

These capacities help ensure that the excavator remains in operation for longer periods without requiring frequent maintenance.
Applications and Suitability
The Komatsu PC56-7 is a versatile excavator, well-suited for a wide range of tasks, including:

• Urban construction and residential site development
  
• Small to medium-scale digging tasks
  
• Road and trench work
  
• Landscaping and utility installation
  

Its compact design and reliable performance make it an excellent choice for work in confined areas where larger machines would be impractical.
History and Market Impact
Komatsu has been a leader in the construction equipment industry for decades, known for its high-quality excavators and construction machinery. The PC56-7, with its powerful engine and efficient hydraulic system, represents a perfect example of Komatsu's commitment to delivering versatile, durable, and user-friendly machinery for various industries.