Contents
Overview of the Kobelco SK120 Excavator
The Kobelco SK120 excavator is a robust piece of machinery that has carved a niche for itself in the construction and excavation industry. Known for its reliability and performance, this excavator is designed to tackle a variety of tasks, from digging and grading to lifting and demolition. With its compact size and powerful capabilities, the SK120 is particularly well-suited for urban construction sites where space is at a premium.
Performance and Versatility
One of the standout features of the Kobelco SK120 is its impressive performance. Powered by a reliable engine, this excavator delivers the power needed to handle demanding jobs while maintaining fuel efficiency. Its hydraulic system is designed for smooth operation, allowing for precise control when maneuvering in tight spaces. This makes the SK120 an ideal choice for contractors looking for a versatile machine that can adapt to various tasks without compromising on performance.
The SK120 is equipped with a range of attachments, including buckets, hammers, and grapples, enhancing its versatility. This adaptability means that operators can easily switch between tasks, making it a valuable asset on any job site. Whether you’re digging foundations, clearing debris, or performing landscaping work, the Kobelco SK120 can handle it all with ease.
Comfort and Operator Experience
Operator comfort is another area where the Kobelco SK120 excels. The cab is designed with ergonomics in mind, featuring adjustable seating, intuitive controls, and excellent visibility. This focus on operator comfort not only enhances productivity but also reduces fatigue during long working hours. The climate control system ensures that operators can work in comfort, regardless of external weather conditions.
Moreover, the machine’s low noise and vibration levels contribute to a more pleasant working environment. This is particularly important in urban areas where noise regulations may be stringent. The Kobelco SK120 allows operators to work efficiently without disturbing the surrounding community.
Durability and Maintenance
Durability is a hallmark of the Kobelco brand, and the SK120 is no exception. Built with high-quality materials and components, this excavator is designed to withstand the rigors of daily use. Regular maintenance is straightforward, thanks to easily accessible service points, which helps to minimize downtime and keep the machine running smoothly.
In summary, the Kobelco SK120 excavator is a powerful, versatile, and operator-friendly machine that stands out in the competitive landscape of construction equipment. Its combination of performance, comfort, and durability makes it a top choice for contractors looking to maximize efficiency on the job site. Whether you’re a seasoned professional or a newcomer to the industry, the SK120 is a reliable partner that can help you get the job done right.
Kobelco SK120 Excavator Specs
The Kobelco SK120 excavator is a well-engineered machine that combines power, efficiency, and versatility. It is designed to meet the demands of various construction and excavation tasks, making it a popular choice among contractors. Below, we delve into the detailed specifications that define the SK120, highlighting its engine, dimensions, weight, and working capabilities.
Engine Specifications
The heart of any excavator is its engine, and the Kobelco SK120 does not disappoint. Here’s a closer look at its engine specifications:
| Specification | Details |
|---|---|
| Engine Model | Isuzu 4HK1-T |
| Type | 4-Cylinder, Turbocharged |
| Power Output | 85 kW (114 HP) |
| Max Torque | 400 Nm @ 1,600 RPM |
| Displacement | 5.2 L |
| Fuel Tank Capacity | 160 L |
Dimensions
The dimensions of the Kobelco SK120 are crucial for its performance and maneuverability, especially in confined job sites. Here are the key dimensional specifications:
| Specification | Details |
|---|---|
| Overall Length | 5,900 mm |
| Overall Width | 2,490 mm |
| Overall Height | 2,650 mm |
| Track Length | 2,620 mm |
| Track Width | 600 mm |
| Ground Clearance | 400 mm |
Weight
Weight plays a significant role in the stability and performance of an excavator. The Kobelco SK120 is designed to strike a balance between power and weight:
| Specification | Details |
|---|---|
| Operating Weight | 12,000 kg |
| Counterweight | 3,000 kg |
Working Specifications
The working capabilities of the Kobelco SK120 are essential for its functionality on the job site. Here’s a breakdown of its working specifications:
| Specification | Details |
|---|---|
| Bucket Capacity | 0.5 – 0.6 m³ |
| Max Digging Depth | 5,500 mm |
| Max Reach | 8,500 mm |
| Max Dumping Height | 4,500 mm |
| Arm Length | 2,800 mm |
| Bucket Digging Force | 60 kN |
| Arm Digging Force | 40 kN |
The Kobelco SK120 excavator is a formidable machine that combines a powerful engine, compact dimensions, and impressive working capabilities, making it a reliable choice for a wide range of construction tasks. Its specifications reflect a commitment to performance and efficiency, ensuring that it can handle the demands of any job site.
Common Problems and Recommendations for the Kobelco SK120 Excavator
The Kobelco SK120 excavator is a reliable machine, but like any heavy equipment, it can encounter issues over time. Understanding these potential problems and knowing how to address them can help maintain the machine’s performance and longevity. Below, we explore some common problems associated with the SK120 and provide practical recommendations for operators and maintenance teams.
Common Problems
While the Kobelco SK120 is built for durability, operators may face several challenges:
1. Hydraulic System Issues
– Symptoms: Slow or unresponsive hydraulic movements, leaks, or unusual noises.
– Causes: Low hydraulic fluid levels, contaminated fluid, or worn-out hydraulic components.
2. Engine Performance Problems
– Symptoms: Reduced power, stalling, or excessive smoke from the exhaust.
– Causes: Clogged air filters, fuel system issues, or engine wear.
3. Electrical System Failures
– Symptoms: Dashboard warning lights, malfunctioning controls, or starting issues.
– Causes: Faulty wiring, dead batteries, or blown fuses.
4. Undercarriage Wear
– Symptoms: Uneven wear on tracks, excessive noise, or instability during operation.
– Causes: Poor maintenance, operating on rough terrain, or improper track tension.
5. Attachment Compatibility Issues
– Symptoms: Difficulty attaching or detaching implements, or poor performance of attachments.
– Causes: Incompatible attachments or worn-out quick couplers.
Recommendations for Maintenance and Operation
To mitigate these issues and ensure the Kobelco SK120 operates efficiently, consider the following recommendations:
1. Regular Hydraulic System Checks
– Monitor hydraulic fluid levels and quality regularly.
– Replace hydraulic filters as per the manufacturer’s schedule.
– Inspect hoses and connections for leaks or wear.
2. Engine Maintenance
– Change engine oil and filters at recommended intervals.
– Keep air filters clean and replace them when necessary.
– Regularly inspect fuel lines and injectors for clogs or leaks.
3. Electrical System Care
– Conduct routine inspections of wiring and connections.
– Test batteries regularly and replace them if they show signs of weakness.
– Keep the electrical system clean and free from corrosion.
4. Undercarriage Maintenance
– Regularly inspect tracks for wear and tension.
– Clean the undercarriage to prevent dirt buildup that can cause wear.
– Rotate tracks as necessary to ensure even wear.
5. Proper Use of Attachments
– Ensure that attachments are compatible with the SK120 before use.
– Regularly inspect quick couplers for wear and functionality.
– Train operators on the correct use of attachments to prevent damage.
By proactively addressing these common problems and adhering to maintenance recommendations, operators can enhance the performance and lifespan of the Kobelco SK120 excavator. Regular checks and proper care are essential to avoid costly repairs and downtime, ensuring that this powerful machine remains a reliable workhorse on any job site.