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Hitachi 120-2 Excavator: An Overview
The Hitachi 120-2 excavator is a robust piece of machinery designed for a variety of construction and excavation tasks. Known for its reliability and efficiency, this excavator has carved out a niche in the heavy equipment market, appealing to contractors and operators who demand performance without compromise. Whether you’re digging trenches, lifting heavy materials, or performing site preparation, the Hitachi 120-2 is built to handle the job with ease.
Why Choose the Hitachi 120-2?
When it comes to excavators, the Hitachi 120-2 stands out for several reasons:
– Versatility: This machine is designed to tackle a wide range of applications, from residential landscaping to large-scale construction projects. Its adaptability makes it a favorite among contractors who need a reliable workhorse.
– Durability: Built with high-quality materials and engineering, the Hitachi 120-2 is designed to withstand the rigors of daily use. Its robust construction ensures that it can handle tough working conditions without faltering.
– Operator Comfort: The cabin of the Hitachi 120-2 is designed with the operator in mind. It features ergonomic controls, ample space, and excellent visibility, allowing operators to work efficiently and comfortably throughout long shifts.
– Fuel Efficiency: In an era where fuel costs can significantly impact project budgets, the Hitachi 120-2 offers impressive fuel efficiency. This not only helps in reducing operational costs but also minimizes the environmental footprint of your work.
– Ease of Maintenance: Regular maintenance is crucial for the longevity of any heavy equipment. The Hitachi 120-2 is designed with accessibility in mind, making it easier for operators and technicians to perform routine checks and repairs without hassle.
In summary, the Hitachi 120-2 excavator is a well-rounded machine that combines power, efficiency, and operator comfort. Its versatility makes it suitable for various applications, while its durability ensures that it can withstand the demands of the job. If you’re in the market for an excavator that delivers on multiple fronts, the Hitachi 120-2 is certainly worth considering.
Hitachi 120-2 Excavator Specs
The Hitachi 120-2 excavator is engineered for performance and efficiency, making it an essential tool for various construction and excavation projects. Below, we delve into the detailed specifications that define this powerful machine.
Engine Specifications
The heart of any excavator is its engine, and the Hitachi 120-2 does not disappoint. Here are the key engine specifications:
| Specification | Details |
|---|---|
| Engine Model | Isuzu 4BG1 |
| Type | 4-Cylinder, Water-Cooled Diesel |
| Power Output | 85 HP (63 kW) @ 2,200 RPM |
| Torque | 230 Nm @ 1,500 RPM |
| Displacement | 3.9 L |
| Fuel Tank Capacity | 120 L |
Dimensions
The dimensions of the Hitachi 120-2 are crucial for understanding its operational capabilities and maneuverability on the job site.
| Specification | Details |
|---|---|
| Overall Length | 5,600 mm |
| Overall Width | 2,200 mm |
| Overall Height | 2,600 mm |
| Track Width | 600 mm |
| Track Length | 2,400 mm |
| Ground Clearance | 300 mm |
Weight
Understanding the weight of the Hitachi 120-2 is essential for assessing its stability and lifting capabilities.
| Specification | Details |
|---|---|
| Operating Weight | 12,000 kg |
| Counterweight | 2,500 kg |
Working Specifications
The working specifications highlight the excavator’s capabilities in various tasks, from digging to lifting.
| Specification | Details |
|---|---|
| Bucket Capacity | 0.5 m³ |
| Maximum Digging Depth | 4,200 mm |
| Maximum Reach | 6,200 mm |
| Maximum Dumping Height | 4,000 mm |
| Swing Radius | 1,800 mm |
The Hitachi 120-2 excavator is a well-rounded machine that excels in various applications. Its specifications reflect a balance of power, efficiency, and versatility, making it a valuable asset for any construction or excavation project.
Problems and Recommendations for the Hitachi 120-2 Excavator
While the Hitachi 120-2 excavator is a reliable workhorse, like any piece of heavy machinery, it is not without its challenges. Understanding these potential problems and knowing how to address them can significantly enhance the machine’s performance and longevity.
Common Problems
Here are some issues that operators may encounter with the Hitachi 120-2:
1. Hydraulic System Leaks
Hydraulic leaks can lead to decreased efficiency and performance. Common signs include:
– Reduced lifting capacity
– Sluggish operation of the boom and arm
– Visible fluid on the ground
2. Engine Overheating
Overheating can be a significant issue, especially during prolonged use. Symptoms include:
– Warning lights on the dashboard
– Steam or smoke from the engine compartment
– Reduced power output
3. Electrical Failures
Electrical issues can disrupt operations and lead to unexpected downtime. Common problems include:
– Malfunctioning gauges
– Inconsistent starting
– Failure of safety features
4. Track Wear and Tear
The tracks of the Hitachi 120-2 can wear down over time, affecting stability and mobility. Signs of wear include:
– Uneven track movement
– Excessive noise during operation
– Visible cracks or breaks in the track
Practical Recommendations
To mitigate these problems and ensure optimal performance, consider the following recommendations:
1. Regular Maintenance
Implement a strict maintenance schedule to catch issues before they escalate. This includes:
– Checking hydraulic fluid levels and inspecting for leaks
– Monitoring engine temperature and coolant levels
– Regularly inspecting electrical connections and components
2. Operator Training
Ensure that all operators are adequately trained on the Hitachi 120-2’s features and functions. Proper training can help prevent misuse and reduce wear and tear. Key training points include:
– Understanding the machine’s controls
– Recognizing warning signs of potential issues
– Safe operation practices to minimize risks
3. Use Quality Parts
When replacing parts, always opt for OEM (Original Equipment Manufacturer) components. This ensures compatibility and reliability. Consider:
– Using genuine Hitachi parts for repairs
– Consulting with a certified technician for complex issues
4. Monitor Operating Conditions
Be mindful of the conditions in which the excavator is being operated. Adverse conditions can exacerbate wear and tear. Recommendations include:
– Avoiding overloading the machine
– Operating on stable ground to prevent tipping
– Limiting use in extreme temperatures whenever possible
By being proactive about maintenance and operator training, many common issues with the Hitachi 120-2 excavator can be avoided. Keeping a close eye on the machine’s performance and addressing problems promptly will ensure that it remains a reliable asset on any job site.