1985 Komatsu PC200LC: Performance and Considerations

[MikePhua]

Introduction: Overview of the Komatsu PC200LC
The 1985 Komatsu PC200LC is a mid-sized hydraulic excavator that has been a reliable piece of heavy equipment for many construction projects since its release. Known for its robust design and versatility, the Komatsu PC200LC is used in various industries, including excavation, demolition, and roadwork. This article will provide a detailed look at the performance, advantages, and potential issues of this model based on user feedback and experiences.
Performance and Capabilities

1. Engine and Power
   The Komatsu PC200LC is powered by a Komatsu S6D125 engine, which provides solid performance for its class. The engine is known for its fuel efficiency and reliability, providing the necessary power for tough tasks.
   • Pro: The engine offers enough power for medium to heavy excavation work while maintaining good fuel efficiency.
     
   • Con: As the machine ages, the engine may require more frequent maintenance, especially if it has not been properly cared for.
     
2. Hydraulic System
   The hydraulic system of the Komatsu PC200LC is one of its key features, providing smooth and efficient operation of the boom, arm, and bucket. The hydraulic system is designed to offer strong lifting capability, enabling the machine to handle heavy materials.
   • Pro: The hydraulic system is known for its responsiveness and power, making it capable of lifting and digging with ease.
     
   • Con: Over time, hydraulic leaks or issues with the pumps and hoses can occur, leading to decreased efficiency and requiring costly repairs.
     

Advantages of the Komatsu PC200LC

1. Durability
   One of the standout characteristics of the Komatsu PC200LC is its durability. Built with strong, high-quality materials, this excavator can withstand tough working conditions and last for many years with proper maintenance.
   • Pro: The PC200LC is highly durable, with a solid undercarriage and body construction that can handle rough work environments.
     
   • Con: As with any machine, neglecting maintenance can lead to faster wear and potential breakdowns.
     
2. Versatility
   The Komatsu PC200LC excels in a variety of tasks, including trenching, material handling, and lifting. Its size and capabilities make it an excellent choice for contractors who need an excavator that can be used on both large and medium-sized projects.
   • Pro: Its versatility allows it to adapt to many tasks, making it a valuable asset for contractors.
     
   • Con: While versatile, it may not be the best choice for extreme heavy-duty work compared to larger models in the Komatsu lineup.
     
3. Operator Comfort
   The operator's cab of the Komatsu PC200LC is designed with comfort and ease of operation in mind. The cab is spacious and provides good visibility, making it easier for operators to maneuver the machine in tight spots or while working on detailed tasks.
   • Pro: Comfortable controls and a clear view from the operator’s seat contribute to ease of operation, especially on long shifts.
     
   • Con: Some older models may experience wear on the seat and controls, which could affect operator comfort over time.
     

Potential Issues and Considerations

1. Hydraulic System Leaks
   One of the common issues reported with the Komatsu PC200LC is hydraulic leaks. Over time, the seals and hoses in the hydraulic system may degrade, causing fluid leaks that affect performance.
   • Cause: Hydraulic leaks are typically a result of worn seals or hoses, which can degrade due to prolonged exposure to pressure and heat.
     
   • Solution: Regular inspection of the hydraulic system and immediate repair of any leaks will ensure that the machine continues to operate efficiently.
     
2. Undercarriage Wear
   Like many excavators, the undercarriage of the Komatsu PC200LC is prone to wear, especially in rough terrains. Tracks and rollers can become worn over time, leading to reduced stability and performance.
   • Cause: Prolonged use in abrasive or rocky conditions accelerates undercarriage wear.
     
   • Solution: Regular maintenance and replacement of worn undercarriage parts can prevent more serious issues and improve machine longevity.
     
3. Electrical System Issues
   Some owners have reported electrical issues with the Komatsu PC200LC, particularly with the starter and alternator systems. These electrical problems can lead to difficulty starting the machine or poor charging of the battery.
   • Cause: Electrical issues often stem from aging components or poor wiring connections.
     
   • Solution: Regularly check the electrical system, ensure that all connections are tight, and replace any worn components as needed.
     

Maintenance Tips for the Komatsu PC200LC

1. Regular Oil Changes
   Keeping the engine oil clean is crucial for maintaining the performance of the Komatsu PC200LC. Regular oil changes help prevent engine wear and keep the hydraulic system running smoothly.
   
2. Inspect Hydraulic System
   Inspect the hydraulic lines, hoses, and cylinders frequently to check for leaks or wear. Replace any damaged parts as soon as possible to avoid downtime.
   
3. Monitor Track Condition
   The tracks on the PC200LC should be checked regularly for wear. If you notice significant damage to the tracks or rollers, it is best to replace them before they cause further damage to the undercarriage.
   
4. Check Electrical Components
   Ensure that the battery is in good condition and the electrical system is functioning properly. Regularly clean the battery terminals and inspect the starter and alternator to prevent electrical failures.
   

Conclusion: Is the Komatsu PC200LC Right for You?
The 1985 Komatsu PC200LC is a reliable and versatile machine that has stood the test of time in the heavy equipment industry. Its durable construction, powerful hydraulic system, and operator-friendly design make it a solid choice for many types of excavation and construction projects. However, as with any older machine, it is essential to stay on top of maintenance to prevent issues with the engine, hydraulic system, and undercarriage.
If you’re considering purchasing a Komatsu PC200LC, be sure to thoroughly inspect the machine for any signs of wear or hydraulic leaks. With proper care, this excavator can continue to provide reliable performance for many years, making it a great investment for medium to heavy-duty tasks.