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Hitachi 850 Excavator: An Overview
The Hitachi 850 excavator stands as a robust piece of machinery in the construction and excavation industry. Known for its reliability and performance, this excavator is designed to tackle a variety of heavy-duty tasks, from digging and grading to lifting and material handling. With a reputation built on quality engineering, the Hitachi 850 is favored by contractors who demand efficiency and durability on the job site.
Performance and Versatility
One of the standout features of the Hitachi 850 is its impressive performance capabilities. Equipped with a powerful engine, this excavator delivers the muscle needed for demanding tasks. The hydraulic system is finely tuned to provide smooth operation, allowing for precise control during excavation and material handling. Whether you’re working on a large-scale construction project or a smaller site, the Hitachi 850 adapts seamlessly to various applications.
The versatility of the Hitachi 850 is further enhanced by its range of attachments. Operators can easily switch between buckets, hammers, and other tools, making it suitable for different tasks without the need for multiple machines. This adaptability not only saves time but also reduces operational costs, as one machine can handle multiple functions.
Operator Comfort and Efficiency
Hitachi understands that operator comfort directly impacts productivity. The 850 excavator features a spacious cab designed with ergonomics in mind. The controls are intuitively placed, allowing for easy access and minimal strain during long hours of operation. Additionally, the cab is equipped with climate control, ensuring a comfortable working environment regardless of external conditions.
Fuel efficiency is another critical aspect of the Hitachi 850. With rising fuel costs, this excavator is designed to minimize consumption while maximizing output. The engine management system optimizes performance, allowing operators to get more work done with less fuel, which is a significant advantage in today’s competitive market.
Durability and Maintenance
Durability is a hallmark of the Hitachi brand, and the 850 excavator is no exception. Built with high-quality materials and components, this machine is designed to withstand the rigors of tough job sites. Regular maintenance is straightforward, with easily accessible service points that simplify routine checks and repairs. This ease of maintenance helps reduce downtime, keeping projects on schedule.
In summary, the Hitachi 850 excavator combines power, versatility, and operator comfort, making it a top choice for professionals in the construction and excavation fields. Its robust performance and efficient design ensure that it can handle a wide range of tasks, making it a valuable asset on any job site.
Hitachi 850 Excavator Specifications
The Hitachi 850 excavator is engineered to deliver exceptional performance across a variety of demanding applications. Below, we delve into the detailed specifications that make this machine a reliable choice for construction and excavation professionals.
Engine Specifications
The heart of the Hitachi 850 is its powerful engine, which is designed to provide the necessary power and efficiency for heavy-duty tasks. Here are the key engine specifications:
| Specification | Details |
|---|---|
| Engine Model | Isuzu 6HK1 |
| Power Output | 200 HP (149 kW) @ 2,000 RPM |
| Displacement | 7.79 L |
| Fuel Type | Diesel |
| Emission Standards | Tier 4 Final |
Dimensions
The dimensions of the Hitachi 850 excavator are crucial for understanding its capabilities and suitability for various job sites. Here’s a breakdown of its dimensions:
| Specification | Details |
|---|---|
| Overall Length | 11,200 mm (440.9 in) |
| Overall Width | 3,200 mm (126 in) |
| Overall Height | 3,400 mm (133.9 in) |
| Track Length | 4,100 mm (161.4 in) |
| Track Width | 600 mm (23.6 in) |
Weight
The operational weight of the Hitachi 850 is a critical factor that influences its stability and performance. Here are the weight specifications:
| Specification | Details |
|---|---|
| Operating Weight | 38,000 kg (83,800 lbs) |
| Counterweight | 7,000 kg (15,400 lbs) |
| Maximum Load Capacity | 12,000 kg (26,500 lbs) |
Working Specifications
The working specifications of the Hitachi 850 excavator highlight its capabilities in various tasks, from digging to lifting. Here’s what you need to know:
| Specification | Details |
|---|---|
| Maximum Digging Depth | 6,300 mm (248 in) |
| Maximum Reach | 10,300 mm (405 in) |
| Bucket Capacity | 1.5 – 2.0 m³ (1.96 – 2.61 yd³) |
| Arm Length | 3,500 mm (137.8 in) |
| Boom Length | 5,800 mm (228.3 in) |
The Hitachi 850 excavator is a powerhouse designed for efficiency and reliability. Its specifications reflect a machine built to handle the toughest jobs while providing operators with the comfort and control they need to get the job done right.
Common Problems and Recommendations for the Hitachi 850 Excavator
While the Hitachi 850 excavator is a robust and reliable machine, like any heavy equipment, it can encounter issues over time. Understanding these potential problems and knowing how to address them can help maintain optimal performance and extend the machine’s lifespan.
Common Problems
Here are some of the most frequently reported issues with the Hitachi 850 excavator:
1. Hydraulic System Failures
– Hydraulic leaks can occur due to worn seals or hoses.
– Insufficient hydraulic fluid can lead to decreased performance and responsiveness.
– Overheating of the hydraulic system can result from excessive load or inadequate cooling.
2. Engine Performance Issues
– Reduced power output may be experienced due to clogged fuel filters or air filters.
– Engine overheating can occur if the cooling system is not functioning properly.
– Unusual noises from the engine could indicate mechanical wear or failure.
3. Electrical System Malfunctions
– Battery issues can lead to starting problems, especially in cold weather.
– Faulty wiring or connections can cause erratic behavior of controls and instruments.
– Sensor failures may result in inaccurate readings or warning lights.
4. Undercarriage Wear
– Track wear can lead to decreased stability and performance.
– Idler and roller failures can cause uneven wear and potential track derailment.
– Loose bolts and components can lead to further damage if not addressed promptly.
Recommendations for Maintenance and Troubleshooting
To mitigate these issues and ensure the Hitachi 850 excavator operates at peak performance, consider the following recommendations:
1. Regular Maintenance
– Schedule routine inspections of the hydraulic system to check for leaks and fluid levels.
– Change engine oil and filters according to the manufacturer’s guidelines to maintain engine health.
– Inspect and clean air and fuel filters regularly to ensure optimal engine performance.
2. Monitor Hydraulic Fluid Levels
– Regularly check hydraulic fluid levels and top off as necessary to prevent system failures.
– Use the recommended hydraulic fluid to avoid compatibility issues and ensure proper lubrication.
3. Electrical System Checks
– Inspect battery connections and terminals for corrosion and tightness.
– Regularly test electrical components and sensors to identify potential issues before they escalate.
– Keep wiring harnesses protected from wear and damage, especially in high-movement areas.
4. Undercarriage Care
– Conduct frequent inspections of the undercarriage for signs of wear or damage.
– Replace worn tracks and components promptly to prevent further damage to the machine.
– Keep the undercarriage clean to avoid buildup of dirt and debris that can lead to premature wear.
By proactively addressing these common problems and adhering to a comprehensive maintenance schedule, operators can enhance the performance and longevity of the Hitachi 850 excavator. Regular attention to these aspects will not only improve efficiency but also reduce the likelihood of costly repairs down the line.