Kobelco SK140LC-8 Excavator - Equipment Original Factory Parameters

[MikePhua]

The Shin Caterpillar SK140LC-8 is a mid-sized hydraulic excavator, designed for versatility in a wide range of construction and demolition applications. Manufactured by Shin Caterpillar, a renowned name in the heavy machinery industry, this model strikes a balance between performance, power, and fuel efficiency. The SK140LC-8 has been a popular choice among contractors due to its robust design and operational capabilities. Let’s explore its key features and specifications in detail.
Key Specifications

• Brand: Shin Caterpillar
  
• Model: SK140LC-8
  
• Manufacture Year: 2017
  
• Operating Hours: 10,500 hours
  
• Location: Chongqing, China
  
• Operating Weight: 13,200 kg
  
• Bucket Capacity: 0.57 m³ (Standard)
  
• Engine Model: Mitsubishi D04FR-KDP2TAAC
  
• Rated Power: 74 kW at 2000 rpm
  
• Displacement: 4.249 L
  
• Torque: 375 Nm at 1600 rpm
  
• Cylinders: 4
  
• Fuel Tank Capacity: 275 L
  
• Hydraulic Oil Tank Capacity: 101 L
  

Engine and Powertrain
The Shin Caterpillar SK140LC-8 is powered by the Mitsubishi D04FR-KDP2TAAC engine, a highly efficient and reliable engine for demanding construction tasks. The engine is turbocharged, with direct fuel injection and a water-cooled, four-stroke system. This engine delivers a rated power of 74 kW at 2000 rpm, which ensures the machine can handle tough conditions while remaining fuel-efficient. The maximum torque of 375 Nm at 1600 rpm allows the excavator to handle heavy lifting and digging operations with ease.
Performance and Efficiency
This machine is designed to excel in performance across a range of tasks. Here are some of the performance specifications that make the SK140LC-8 stand out:

• Ground Pressure: 45 kPa
  
• Swing Speed: 11 rpm
  
• Climbing Ability: 70%
  
• Bucket Digging Force: 90.1 kN
  
• Arm Digging Force: 64.4 kN
  
• Maximum Traction Force: 139 kN
  
• Travel Speed: 3.4 km/h (low) to 5.6 km/h (high)
  

These attributes, combined with the powerful hydraulic system, enable the SK140LC-8 to work on various terrains and effectively handle digging, lifting, and material handling tasks.
Hydraulic System
The hydraulic system of the SK140LC-8 is a high-performance system designed for efficient power delivery to the various components, ensuring consistent operation in tough environments.

• Main Pump Maximum Flow: 2 x 130 L/min
  
• Walking Hydraulic Circuit: 34.3 MPa
  
• Swing Hydraulic Circuit: 28 MPa
  
• Control Hydraulic Circuit: 5 MPa
  
• Pilot Pump Flow: 20 L/min
  
• Boom Cylinder Dimensions: 2 x 125 mm x 1320 mm
  
• Bucket Cylinder Dimensions: 1 x 95 mm x 903 mm
  

These specifications ensure that the hydraulic system provides sufficient power for demanding tasks, while also maintaining fuel efficiency.
Dimensions and Design
The Shin Caterpillar SK140LC-8 is built with a sturdy frame that guarantees durability under challenging working conditions. It has the following dimensions:

• Total Length: 7,790 mm
  
• Total Width: 2,490 mm
  
• Total Height: 2,870 mm
  
• Ground Clearance: 440 mm
  
• Front Work Device Minimum Swing Radius: 2,620 mm
  
• Rear Swing Radius: 2,190 mm
  
• Total Track Length: 3,750 mm
  
• Track Width: 500 mm
  

These measurements make the SK140LC-8 maneuverable in tight spaces while ensuring stability during operations. The track length provides a solid base for the machine to distribute its weight efficiently.
Operational Range
One of the standout features of the SK140LC-8 is its impressive working range. The excavator can dig up to:

• Maximum Digging Radius: 8,340 mm
  
• Maximum Digging Depth: 5,520 mm
  
• Maximum Digging Height: 8,500 mm
  
• Maximum Unloading Height: 6,090 mm
  
• Maximum Vertical Digging Depth: 4,880 mm
  

With this extensive working range, the SK140LC-8 can reach areas that other machines might struggle to access, making it suitable for a variety of applications from excavation to material handling.
Fuel Efficiency and Operating Costs
With a fuel tank capacity of 275 L, the SK140LC-8 ensures long operational periods between refuels, minimizing downtime and operational costs. Combined with the efficient hydraulic system, this excavator delivers excellent fuel economy, which is crucial for contractors looking to reduce operating expenses.
Maintenance and Serviceability
Shin Caterpillar has designed the SK140LC-8 with serviceability in mind. The machine offers easy access to its key components, making it easier for technicians to perform maintenance and repairs. Regular maintenance helps ensure the longevity of the equipment, which is critical for machines with high operating hours such as this one, with over 10,500 hours of use.
Conclusion
The Shin Caterpillar SK140LC-8 is a reliable, efficient, and versatile excavator that is well-suited for a wide range of construction tasks. Its powerful engine, advanced hydraulic system, and impressive operational range make it an excellent choice for heavy-duty work. Additionally, its compact design, fuel efficiency, and serviceability further enhance its appeal. Whether you’re handling excavation, lifting, or demolition tasks, the SK140LC-8 offers the performance and durability you need for success in the field.