Excavator Komatsu PC850-8R1 Hydraulic Specifications

The Komatsu PC850-8R1 Excavator stands as a testament to industrial strength and efficiency, revered for its durability and formidable performance. The cornerstone of its functionality lies in its hydraulic system, a pivotal element that enhances its operational prowess. Hydraulics are indispensable in excavation, facilitating an array of tasks from digging to lifting. This discourse delves into the hydraulic parameters and features that distinguish the Komatsu PC850-8R1 within its echelon.

Genesis and Evolution

Komatsu, the eminent Japanese multinational, boasts a venerable legacy in crafting construction and mining apparatus. The PC850-8R1 epitomizes decades of innovation and engineering mastery. This model has evolved to meet the dynamic exigencies of the construction realm, showcasing Komatsu's relentless pursuit of excellence.

General Specifications

The Komatsu PC850-8R1 is a behemoth in the excavator domain, tipping the scales at approximately 80,000 kg (176,370 lbs). It is powered by a robust engine that delivers unparalleled performance, making it ideal for diverse applications, including mining and extensive construction projects.

Performance Attributes

Performance is the forte of the PC850-8R1. It excels in digging capabilities, boasting a maximum dig depth of nearly 8 meters (26 ft). The machine's lifting and carrying capacities are equally impressive, enabling it to manage heavy loads with remarkable ease.

Engine Specifications

The heart of the PC850-8R1 is the Komatsu SAA6D140E-5 engine, renowned for its reliability and fuel efficiency. This powerhouse generates a net output of about 363 kW (487 hp), empowering the excavator to tackle the most arduous tasks.

Hydraulic System Synopsis

Hydraulics are the lifeblood of any excavator, and the PC850-8R1 is no exception. Its hydraulic system is engineered for seamless, potent, and efficient operation. It orchestrates the movement of the boom, arm, bucket, and other attachments, underscoring its critical role in the machine's functionality.

Hydraulic System Components

The hydraulic framework of the PC850-8R1 comprises several key elements:

  • The main hydraulic pump channels hydraulic fluid to various machine sections, facilitating movement and operation.
  • Hydraulic cylinders maneuver the boom, arm, and bucket.
  • Control valves regulate the hydraulic fluid flow, ensuring precise control over the machine's movements.

Hydraulic System Specifications

The hydraulic system of the PC850-8R1 is designed for optimal performance, featuring:

  • Hydraulic Flow Rates: The primary hydraulic pump boasts a flow rate of about 580 liters per minute (153 gallons per minute), ensuring smooth and efficient operation.
  • Hydraulic Pressure Levels: The system's maximum pressure is around 320 bar (4,641 psi), providing ample power for heavy-duty applications.

Hydraulic Efficiency

The Komatsu PC850-8R1's hydraulic system is lauded for its efficiency. Its design and engineering ensure optimal utilization of hydraulic fluid, reducing fuel consumption and operational costs. Advances in hydraulic technology have further enhanced the machine's overall performance and reliability.

Operator's Cabin and Controls

The PC850-8R1's operator's cabin is designed for comfort and functionality. It features ergonomic seating and advanced controls that integrate seamlessly with the hydraulic system, enabling precise and effortless operation.

Safety Features

Komatsu prioritizes safety, equipping the PC850-8R1 with numerous safety features. These include enhanced stability control systems and operator protection measures that bolster operational safety, particularly concerning the hydraulic system.

Attachments and Versatility

The PC850-8R1 is a versatile machine, compatible with various hydraulic attachments such as buckets, hammers, and grapples. These accessories enhance its versatility, allowing it to perform a myriad of tasks with ease.

Maintenance and Service

Regular maintenance of the PC850-8R1's hydraulic system is crucial. Komatsu has designed the machine for easy access to service points, simplifying routine maintenance and servicing. Proper upkeep ensures the hydraulic system's longevity and peak performance.

User Reviews and Feedback

The PC850-8R1 has garnered positive feedback from users. Operators appreciate its high performance, reliability, and advanced hydraulic system. The machine's ease of use and cabin comfort are also well-received. Some users note the initial cost can be steep, but the long-term benefits often justify the investment.

Comparison with Other Models

When juxtaposed with other excavators in its class, the PC850-8R1 stands out for its power, efficiency, and versatility. While other models may share similar features, the Komatsu PC850-8R1's reputation for reliability and superior engineering gives it a competitive edge.

Conclusion

In conclusion, the Komatsu PC850-8R1 Excavator is a formidable machine. Its exceptional hydraulic system, powerful engine, and versatile capabilities make it an invaluable asset for any large-scale construction or mining operation. The PC850-8R1 delivers stellar performance even in the most challenging environments, thanks to its blend of efficiency, power, and durability.

FAQs

1. What is the hydraulic pressure on the Komatsu PC850-8R1?
The Komatsu PC850-8R1's hydraulic system has a maximum pressure of approximately 320 bar (4,641 psi), providing the necessary power for heavy-duty tasks.

2. How fuel efficient is the Komatsu PC850-8R1?
The PC850-8R1 is equipped with a Komatsu SAA6D140E-5 engine, designed for maximum fuel efficiency, reducing operational costs and minimizing environmental impact.

3. What are some popular hydraulic attachments for the PC850-8R1?
Common hydraulic attachments for the PC850-8R1 include buckets, hammers, and grapples. These accessories enhance the machine's versatility, allowing it to handle various tasks with ease.

4. How frequently should the hydraulic system be serviced?
The PC850-8R1's hydraulic system requires regular maintenance. Following the manufacturer's servicing guidelines, typically involving routine checks and maintenance every 500 hours of operation, is recommended.

5. Is the PC850-8R1 suitable for large construction projects?
Yes, the PC850-8R1 is ideal for heavy construction projects. Its robust performance, advanced hydraulic system, and rugged design make it perfect for tasks such as excavation, lifting, and material handling on large construction sites.

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