Komatsu PC200LC-7 Hydraulic Excavator Overview

[MikePhua]

Introduction
The Komatsu PC200LC-7 is a hydraulic crawler excavator introduced in the early 2000s, designed to deliver exceptional performance in various construction and excavation tasks. With advancements in engine technology and hydraulic systems, the PC200LC-7 offers improved fuel efficiency, increased lifting capacities, and enhanced operator comfort.
Engine and Performance
The PC200LC-7 is powered by the Komatsu SAA6D102E-2 engine, a 6-cylinder turbocharged diesel engine. This engine delivers a net power output of 143 horsepower (107 kW) at 2,000 RPM, ensuring robust performance for demanding applications .
The excavator's operating weight is approximately 21,000 kg (46,300 lbs), providing a stable platform for heavy-duty operations. Its compact design allows for maneuverability in confined spaces, making it suitable for urban construction projects.
Hydraulic System
The PC200LC-7 features a closed-center load sensing hydraulic system, which optimizes hydraulic flow and pressure to match the demands of the work being performed. This system enhances fuel efficiency and reduces operational costs. The hydraulic pumps are driven by the engine, ensuring consistent power delivery to the implements.
Dimensions and Capacities
The excavator's dimensions are as follows:

• Overall Length: 9,495 mm (31.16 ft)
  
• Width: 2,710 mm (8.86 ft)
  
• Height: 3,000 mm (9.84 ft)
  
• Track Width: 800 mm (2.62 ft)
  
• Ground Clearance: 1,085 mm (3.56 ft)
  

The maximum digging depth is approximately 6.62 meters (21.7 ft), with a maximum reach of 9.7 meters (31.8 ft) .
Operator Comfort and Safety
The PC200LC-7 is equipped with a spacious, air-conditioned cab designed to reduce operator fatigue. The ergonomic layout of controls and adjustable seating enhances comfort during extended working hours. Safety features include ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) certifications, ensuring operator protection in hazardous environments.
Maintenance and Serviceability
Routine maintenance is essential to keep the PC200LC-7 operating at peak performance. Regular checks of hydraulic fluid levels, engine oil, and air filters are recommended. The excavator's design allows for easy access to key components, simplifying maintenance tasks and reducing downtime.
Applications
The PC200LC-7 is versatile and can be used in various applications, including:

• Excavation: Digging trenches and foundations.
  
• Demolition: Breaking down structures.
  
• Material Handling: Lifting and moving heavy materials.
  
• Landscaping: Shaping terrain and clearing vegetation.
  

Conclusion
The Komatsu PC200LC-7 hydraulic excavator stands out for its combination of power, efficiency, and operator comfort. Whether for urban construction or heavy-duty excavation, its design and features make it a reliable choice for contractors seeking performance and durability.