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Komatsu PC130-8 Excavator
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The Komatsu PC130-8 is a mid-sized hydraulic crawler excavator designed to offer a balance between power, efficiency, and versatility. Manufactured by Komatsu Ltd., a Japanese multinational corporation renowned for its construction and mining equipment, the PC130-8 was introduced in the early 2000s as part of Komatsu's "Dash-8" series, which emphasized improved fuel efficiency, operator comfort, and environmental compliance.
Engine and Performance
At the heart of the PC130-8 lies the Komatsu SAA4D95LE-5 engine, a 4-cylinder turbocharged and air-to-air aftercooled powerplant. This engine delivers a net power output of approximately 91.7 horsepower (68.4 kW) at 2,200 rpm, providing the necessary muscle for various digging and lifting tasks. The engine's design complies with EPA Tier 3 and EU Stage 3A emissions standards, reflecting Komatsu's commitment to environmental responsibility.
Hydraulic System
The hydraulic system of the PC130-8 is a closed-center load sensing system, which ensures efficient power distribution and responsiveness. The system operates at a maximum pressure of 5,050 psi (approximately 350 bar) and is powered by a variable displacement piston pump. This setup allows for smooth and precise control of the boom, arm, and bucket movements, enhancing the machine's productivity and operator control.
Dimensions and Capacities
The PC130-8's compact design makes it suitable for urban construction sites and other confined spaces. Its operating weight ranges from 12,380 kg to 13,500 kg, depending on the configuration and attachments. The machine's dimensions include a track length of 2,900 mm, a track gauge of 2,540 mm, and a tail swing radius of 2,190 mm, allowing for maneuverability in tight areas.
Fuel efficiency is a key feature of the PC130-8, with a fuel tank capacity of 250 liters, enabling extended operation without frequent refueling. The hydraulic system's capacity is 90 liters, and the engine oil capacity is 13 liters, ensuring adequate lubrication and cooling during operation.
Operator Comfort and Safety
Komatsu has prioritized operator comfort in the PC130-8. The cabin is spacious and features a fully adjustable seat, air conditioning, and a high-resolution LCD monitor that provides real-time machine diagnostics and operational data. The joystick controls are ergonomically designed to reduce operator fatigue, and the low-noise design of the cabin contributes to a more comfortable working environment.
Safety features include a ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) certified cabin, ensuring operator protection in hazardous conditions. Additionally, the machine's design includes wide access steps and handrails for safe entry and exit.
Common Issues and Maintenance Tips
While the Komatsu PC130-8 is generally reliable, operators have reported a few common issues:
  • Hydraulic System Leaks: Over time, seals and hoses can wear, leading to hydraulic fluid leaks. Regular inspection and replacement of worn components can prevent this issue.
  • Electrical Problems: Issues such as faulty sensors or wiring can arise. It's advisable to periodically check the electrical system and address any anomalies promptly.
  • Undercarriage Wear: The undercarriage components, including tracks, rollers, and sprockets, are subject to wear. Regular maintenance and timely replacement of worn parts can extend the life of these components.
To maintain optimal performance, it's recommended to follow the manufacturer's maintenance schedule, use genuine Komatsu parts, and ensure that operators are properly trained in machine operation and care.
Conclusion
The Komatsu PC130-8 stands as a testament to Komatsu's engineering excellence, offering a blend of power, efficiency, and operator comfort. Its robust design and advanced features make it a valuable asset for various construction and excavation tasks. By adhering to regular maintenance practices and addressing common issues proactively, operators can ensure that the PC130-8 continues to deliver reliable performance throughout its service life.
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