Here are the detailed specifications for a refurbished Kobelco SK75SR-7 excavator:

Operating Weight and Dimensions

• Operating Weight: 7,300–7,700 kg
• Overall Length: ~6.3–6.6 meters
• Overall Width: ~2.3–2.4 meters
• Overall Height: ~2.6–2.8 meters
• Tail Swing Radius: ~1.5–1.7 meters (short radius design)
• Ground Clearance: ~370–400 mm
• Track Width: 450 mm standard

Engine and Powertrain

• Engine Model: Yanmar 4TNV98CT Tier 4 Final
• Rated Power Output: ~55–57 kW (74–76 hp) @ 2,000 rpm
• Maximum Torque: ~300–330 Nm
• Fuel Tank Capacity: ~120–140 liters
• Travel Speed: 2.8–5.0 km/h
• Swing Speed: ~10 rpm
• Gradeability: Up to 35°

Hydraulic System

• Main Pump Type: Variable displacement axial piston pump
• Flow Rate: ~2 × 120–130 L/min
• System Pressure: Up to 27.5–28 MPa
• Hydraulic Oil Capacity: ~160–180 liters
• Boom Cylinder Bore: ~100 mm
• Arm Cylinder Bore: ~85 mm
• Bucket Cylinder Bore: ~75 mm

Performance Metrics

• Bucket Capacity: 0.28–0.35 m³
• Max Digging Depth: ~4.1–4.3 meters
• Max Reach (Horizontal): ~7.2–7.5 meters
• Max Dump Height: ~4.8–5.0 meters
• Bucket Digging Force: ~55–60 kN
• Arm Digging Force: ~38–42 kN

Cab and Operator Features

• Cab Type: ROPS/FOPS certified
• Display: Color LCD monitor with diagnostics and fuel tracking
• Controls: Electro-hydraulic joysticks with customizable sensitivity
• Comfort: Air-conditioned cab, adjustable suspension seat, low noise and vibration
• Visibility: Wide glass area, rear-view camera, LED work lights

Smart Features and Efficiency

• Auto Idle & Eco Mode: Reduces fuel consumption during low-load operations
• Integrated Noise Reduction: Engine and hydraulic system tuned for quiet operation
• Telematics Ready: KOMEXS system for remote diagnostics and fleet tracking
• Centralized Lubrication: Optional for reduced maintenance

Attachments Compatibility

• Standard Bucket: 0.28–0.35 m³
• Optional Tools: Hydraulic breaker, compactor, grapple, ripper
• Quick Coupler: Hydraulic or manual options available

Refurbishment Scope

Refurbished SK75 units typically include:

• Engine overhaul (injectors, turbo, seals)
• Hydraulic pump recalibration or replacement
• Electrical system rewiring and sensor testing
• Cab restoration (seat, controls, HVAC, monitor)
• Structural repairs (boom welding, bushing replacement, repainting)

Overview of the Kobelco SK75 Excavator

The Kobelco SK75 is a mid-sized excavator that strikes the perfect balance between power and compactness. With a weight class between 7 and 8 tons, the SK75 is large enough to handle heavy-duty excavation tasks while remaining small and agile enough to work in confined or urban environments. This machine is known for its fuel-efficient design, ease of operation, and low maintenance costs, making it a popular choice for contractors looking for performance and value.

Key Specifications of the Kobelco SK75

• Operating Weight: 7,500 kg (16,534 lbs)

• Engine Power: 55.4 kW (74.3 horsepower)

• Max Digging Depth: 5.4 meters (17.7 feet)

• Max Reach: 8.4 meters (27.6 feet)

• Max Lifting Capacity: 2,750 kg (6,060 lbs) at a radius of 3 meters

• Bucket Capacity: Typically ranges from 0.2 to 0.3 cubic meters, depending on configuration

With these specifications, the SK75 offers excellent digging power and reach, making it suitable for various jobs from trenching to demolition in compact areas.

Key Features of the Kobelco SK75 Excavator

Efficient and Powerful Engine

The Kobelco SK75 is powered by a Kobelco diesel engine, which delivers a reliable 74 horsepower. Designed for fuel efficiency, the engine ensures that the machine performs optimally even during prolonged use while minimizing fuel consumption. This focus on fuel economy helps reduce operational costs, which is especially important for contractors managing tight project budgets.

• Fuel-Efficient Technology: Kobelco’s commitment to fuel efficiency in the SK75 allows the machine to maximize productivity without excessive fuel consumption. The eco-mode feature allows operators to adjust engine power based on the nature of the task, whether it’s light work or more demanding operations.

Advanced Hydraulic System

The SK75 is equipped with a sophisticated hydraulic system that provides high efficiency and precise control. This system ensures smooth operation when digging, lifting, or loading, resulting in faster cycle times and more effective material handling.

• Load-Sensing Hydraulics: This advanced hydraulic technology ensures that the system only provides as much power as required, preventing energy waste and extending the life of the hydraulic components.

• Variable Displacement Pump: The variable displacement pump ensures that the machine provides hydraulic power precisely when and where it's needed, reducing power loss and enhancing fuel efficiency.

The hydraulic system gives operators the ability to manage loads with high accuracy and speed, increasing productivity for projects that require fine control.

Compact and Durable Design

The Kobelco SK75 is designed for work in tight or urban spaces. It features a compact body that provides excellent maneuverability, making it ideal for applications in areas where larger machines cannot reach. Its durable undercarriage is built to withstand rough terrain while providing stability during operation.

• Heavy-Duty Undercarriage: The SK75 is equipped with a robust undercarriage that can handle tough work environments. The wide tracks and reinforced chassis provide stability and minimize the risk of tipping when working on uneven ground.

• Compact Tail Swing: The SK75 offers a compact tail swing that prevents the rear of the machine from swinging too far out, allowing it to work safely in confined areas where space is limited.

Comfortable Operator Cabin

The cabin of the Kobelco SK75 is designed for maximum operator comfort and safety. Operators can work for extended hours without experiencing fatigue, thanks to ergonomic features and excellent visibility. Some of the key comfort features include:

• Spacious Cabin: The cabin provides ample space for operators, with adjustable seats and controls to ensure comfort during long workdays.

• Air Conditioning and Heating: The machine is equipped with a climate control system that ensures comfort, regardless of weather conditions.

• Excellent Visibility: The cabin features wide windows and minimal obstructions, giving operators clear visibility of their work area, enhancing safety and efficiency.

Advantages of Purchasing a Refurbished Kobelco SK75 Excavator

Cost-Effective Investment

One of the most significant advantages of purchasing a refurbished Kobelco SK75 is the cost savings. A refurbished machine can cost up to 30-40% less than a new one, providing businesses with a substantial reduction in capital expenditures. These savings can be reinvested into other areas of the business, such as purchasing additional equipment or covering operational costs.

Certified Refurbishment Process

A refurbished Kobelco SK75 undergoes a comprehensive refurbishment process to restore it to optimal condition. Key steps include:

• Engine Inspection and Repair: The engine is checked for wear, and any faulty components are replaced. This ensures that the machine operates at peak performance.

• Hydraulic System Overhaul: The hydraulic components are inspected and repaired, ensuring smooth, efficient operation for years to come.

• Cosmetic Restoration: The machine is cleaned, repainted, and restored to look almost as good as new, improving its appearance and market value.

• Comprehensive Testing: Once repairs are completed, the machine is tested thoroughly to ensure it meets all performance standards and specifications.

Typically, refurbished excavators come with warranties, which add a layer of security to the investment.

Environmental Benefits

Choosing a refurbished SK75 is also a more eco-friendly option compared to buying new. Refurbishing existing equipment reduces the need for manufacturing new machines, which in turn decreases the overall environmental impact of production. This makes a refurbished Kobelco SK75 a greener choice for contractors looking to minimize their carbon footprint.

Maintenance Tips for the Kobelco SK75 Excavator

Proper maintenance is essential for extending the life of the Kobelco SK75 and keeping it in optimal working condition. Here are some maintenance tips to ensure long-term performance:

Regular Engine and Fluid Checks

• Change the engine oil and replace oil filters regularly to keep the engine in peak condition.

• Inspect and clean the air filters to prevent debris from entering the engine, which could lead to overheating and poor performance.

• Check coolant levels frequently to avoid engine overheating.

Hydraulic System Maintenance

• Regularly check the hydraulic fluid levels and inspect the hydraulic lines for signs of wear or leakage.

• Change hydraulic filters at recommended intervals to prevent contamination, which could affect performance and cause system failures.

• Periodically inspect the hydraulic cylinders for leaks and damage.

Undercarriage Maintenance

• Inspect the tracks, rollers, and idlers for wear and tear. Replace any damaged or worn-out components to ensure smooth movement and stability.

• Keep the undercarriage clean to avoid debris buildup, which can cause unnecessary wear on components.

Cabin and Operator Comfort Maintenance

• Regularly clean and inspect the air conditioning system and heating system to maintain comfort for the operator.

• Ensure that windows and mirrors are clean and free of cracks to provide clear visibility.

Conclusion

The Kobelco SK75 is a versatile, reliable, and fuel-efficient excavator designed for tasks requiring precision and power. A refurbished SK75 offers significant savings, making it an excellent option for businesses looking to get the most value for their investment without compromising on performance.

With its advanced hydraulic system, efficient engine, compact design, and operator-friendly features, the Kobelco SK75 is an excellent choice for contractors who need a machine that can handle a variety of tasks in tight spaces. Proper maintenance will ensure that a refurbished SK75 continues to perform reliably for years to come, making it a smart and cost-effective solution for your equipment needs.

Our Commitment

1. 2 years / 4000 hours warranty.
2. EPA certified.
3. No sweatshop labor.

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• Navigation: G206 (Sishu Bridge) in Changfeng County, Hefei City, Anhui Province, 200 meters north to the east