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Overview of the Komatsu PC490 Excavator
The Komatsu PC490 excavator stands out in the heavy machinery landscape, designed for those who demand power, precision, and reliability. This machine is a true workhorse, tailored for a variety of applications, including construction, mining, and heavy-duty earthmoving tasks. With its robust build and advanced technology, the PC490 is engineered to tackle the toughest jobs while ensuring operator comfort and efficiency.
Key Features and Performance
At the heart of the PC490 is its impressive hydraulic system, which delivers exceptional lifting capacity and breakout force. This excavator is equipped with a powerful engine that not only provides ample horsepower but also ensures fuel efficiency, making it a cost-effective choice for long-term projects. The advanced hydraulic system allows for smooth and precise control, enabling operators to execute complex maneuvers with ease.
One of the standout features of the Komatsu PC490 is its versatility. It can be fitted with a range of attachments, including buckets, hammers, and grapples, making it suitable for various tasks. Whether you’re digging trenches, demolishing structures, or lifting heavy materials, this excavator adapts to meet the demands of the job.
Operator comfort is another priority in the design of the PC490. The spacious cab is equipped with ergonomic controls, excellent visibility, and climate control, allowing operators to work efficiently throughout long shifts. Safety features, such as a reinforced structure and advanced monitoring systems, further enhance the machine’s reliability on the job site.
In terms of maintenance, the PC490 is designed for easy access to key components, reducing downtime and simplifying service tasks. This focus on maintainability ensures that operators can keep the machine running smoothly, maximizing productivity and minimizing costs.
Overall, the Komatsu PC490 excavator is a formidable machine that combines power, versatility, and operator comfort. Whether you’re in construction, mining, or any heavy-duty application, this excavator is built to deliver exceptional performance and reliability, making it a top choice for professionals in the industry.
Komatsu PC490 Excavator Specs
The Komatsu PC490 excavator is engineered for heavy-duty performance and versatility, making it a preferred choice for contractors and operators across various industries. Below, we delve into the detailed specifications that define this powerful machine.
Engine Specifications
The engine of the Komatsu PC490 is a critical component that drives its performance. Here’s a breakdown of its engine specifications:
| Specification | Details |
|---|---|
| Engine Model | Komatsu SAA6D125E-5 |
| Type | 6-Cylinder, Water-Cooled, Turbocharged Diesel |
| Net Power | 270 HP (201 kW) @ 2,000 RPM |
| Displacement | 7.17 L |
| Max Torque | 1,200 Nm @ 1,500 RPM |
| Fuel Tank Capacity | 400 L |
Dimensions
The dimensions of the PC490 are designed to provide stability and maneuverability, essential for various job site conditions. Here are the key measurements:
| Specification | Details |
|---|---|
| Overall Length | 10,180 mm |
| Overall Width | 3,340 mm |
| Overall Height | 3,200 mm |
| Track Length | 4,200 mm |
| Track Width | 600 mm |
| Ground Clearance | 450 mm |
Weight
Weight plays a crucial role in the excavator’s stability and performance. Here’s how the PC490 measures up:
| Specification | Details |
|---|---|
| Operating Weight | 48,000 kg |
| Counterweight | 7,500 kg |
| Max Load Capacity | 5,500 kg |
Working Specifications
The working capabilities of the Komatsu PC490 are designed to enhance productivity on the job site. Here are the essential working specifications:
| Specification | Details |
|---|---|
| Max Digging Depth | 6,800 mm |
| Max Reach at Ground Level | 10,400 mm |
| Max Digging Height | 9,800 mm |
| Max Dumping Height | 7,000 mm |
| Bucket Capacity | 0.3 – 1.2 m³ (varies by attachment) |
The Komatsu PC490 excavator is a robust machine that combines powerful specifications with advanced technology, making it a reliable choice for heavy-duty applications. Its design and engineering reflect a commitment to performance, efficiency, and operator comfort, ensuring that it meets the demands of modern construction and excavation projects.
Problems and Recommendations for the Komatsu PC490 Excavator
While the Komatsu PC490 excavator is a powerhouse in the heavy machinery sector, it is not without its challenges. Understanding these potential problems and how to address them can enhance the machine’s performance and longevity.
Common Problems
Despite its robust design, operators may encounter several issues with the PC490. Here are some of the most common problems:
Hydraulic System Issues
– Leakage: Hydraulic fluid leaks can occur due to worn seals or damaged hoses, leading to reduced efficiency and potential system failure.
– Overheating: If the hydraulic fluid overheats, it can cause the system to malfunction, resulting in sluggish operation.
Engine Performance
– Fuel Efficiency: Some operators report that the PC490 can be less fuel-efficient under heavy loads, leading to increased operational costs.
– Starting Problems: Cold weather can affect starting performance, especially if the engine is not properly maintained.
Electrical System Failures
– Sensor Malfunctions: Faulty sensors can lead to incorrect readings, affecting the machine’s performance and safety features.
– Wiring Issues: Corroded or damaged wiring can cause electrical failures, impacting various functions of the excavator.
Recommendations for Maintenance and Operation
To mitigate these problems and ensure the Komatsu PC490 operates at peak performance, consider the following recommendations:
Regular Maintenance
– Hydraulic System Checks: Regularly inspect hoses and seals for wear and tear. Replace any damaged components immediately to prevent leaks.
– Fluid Changes: Adhere to the manufacturer’s schedule for hydraulic fluid and oil changes to maintain optimal performance.
Engine Care
– Pre-Start Checks: Always conduct pre-start inspections, including checking fluid levels and battery condition, especially in cold weather.
– Fuel Quality: Use high-quality fuel and consider additives to improve combustion efficiency and reduce emissions.
Electrical System Management
– Routine Inspections: Regularly inspect electrical connections and wiring for signs of corrosion or damage. Clean and repair as necessary.
– Sensor Calibration: Ensure that all sensors are calibrated according to the manufacturer’s specifications to avoid performance issues.
Operator Training
– Proper Training: Ensure that all operators are adequately trained on the machine’s features and functions. This can prevent misuse and reduce wear and tear.
– Load Management: Educate operators on load limits and proper techniques to avoid overloading the machine, which can lead to premature wear.
By addressing these common problems and following the recommended maintenance practices, operators can significantly enhance the performance and lifespan of the Komatsu PC490 excavator. This proactive approach not only minimizes downtime but also maximizes productivity on the job site.