Contents
Overview of the Liebherr 912 Excavator
The Liebherr 912 excavator is a robust piece of machinery designed for a variety of construction and excavation tasks. Known for its versatility and reliability, this model has carved a niche for itself in the competitive world of heavy equipment. Whether you’re digging trenches, lifting heavy materials, or performing site preparation, the Liebherr 912 is engineered to handle it all with ease.
Key Features and Performance
One of the standout features of the Liebherr 912 is its compact design, which allows it to operate effectively in tight spaces where larger excavators simply can’t fit. This makes it an excellent choice for urban construction sites or projects with limited access. The machine’s hydraulic system is another highlight, providing powerful lifting capabilities and smooth operation. With a digging depth of up to 4.5 meters, the Liebherr 912 excels in tasks that require precision and power.
The excavator is equipped with a variety of attachments, enhancing its functionality. From buckets to grapples, these attachments allow operators to customize the machine for specific tasks, increasing productivity and efficiency. The Liebherr 912 is also known for its fuel efficiency, which is a crucial factor for contractors looking to manage operating costs.
In terms of operator comfort, the Liebherr 912 does not disappoint. The cab is designed with ergonomics in mind, featuring adjustable seating, intuitive controls, and excellent visibility. This ensures that operators can work long hours without discomfort, leading to improved focus and productivity on the job site.
Moreover, Liebherr has a reputation for durability and longevity, and the 912 model is no exception. Built with high-quality materials and components, this excavator can withstand the rigors of daily use, making it a worthwhile investment for any contractor.
In summary, the Liebherr 912 excavator stands out for its compact size, powerful performance, and operator-friendly design. Whether you’re a seasoned contractor or a newcomer to the industry, this machine offers the reliability and versatility needed to tackle a wide range of excavation tasks effectively.
Liebherr 912 Excavator Specifications
The Liebherr 912 excavator is engineered with a focus on performance, efficiency, and user-friendliness. Below, we delve into the detailed specifications that make this excavator a preferred choice for many construction professionals.
Engine Specifications
The engine is the heart of any excavator, and the Liebherr 912 does not disappoint. Here are the key engine specifications:
| Specification | Details |
|---|---|
| Engine Model | Liebherr D 934 TI-E |
| Power Output | 75 kW (100 HP) |
| Displacement | 3.8 liters |
| Number of Cylinders | 4 |
| Max Torque | 400 Nm @ 1,400 rpm |
| Fuel Type | Diesel |
Dimensions
The dimensions of the Liebherr 912 are crucial for understanding its capabilities and limitations on the job site. Here’s a breakdown of its dimensions:
| Specification | Details |
|---|---|
| Overall Length | 5,500 mm |
| Overall Width | 2,200 mm |
| Overall Height | 2,800 mm |
| Track Width | 600 mm |
| Track Length | 2,400 mm |
| Wheelbase | 2,300 mm |
Weight
Weight is a significant factor in the performance and stability of an excavator. Here are the weight specifications for the Liebherr 912:
| Specification | Details |
|---|---|
| Operating Weight | 12,000 kg |
| Max Load Capacity | 3,500 kg |
| Counterweight | 2,500 kg |
Working Specifications
The working specifications of the Liebherr 912 highlight its operational capabilities, making it suitable for various tasks:
| Specification | Details |
|---|---|
| Max Digging Depth | 4,500 mm |
| Max Reach | 6,400 mm |
| Max Dumping Height | 4,000 mm |
| Bucket Capacity | 0.5 – 0.6 m³ |
| Hydraulic Flow Rate | 120 l/min |
| Max Pressure | 350 bar |
The Liebherr 912 excavator combines a powerful engine, compact dimensions, and impressive working capabilities, making it a versatile tool for any construction project. Its specifications reflect a balance of power and efficiency that is essential for modern excavation tasks.
Common Problems and Recommendations for the Liebherr 912 Excavator
While the Liebherr 912 excavator is a reliable piece of machinery, like any heavy equipment, it can encounter issues that may affect its performance. Understanding these problems and knowing how to address them can save time and money on the job site.
Common Problems
Here are some of the most frequently reported issues with the Liebherr 912 excavator:
- Hydraulic System Leaks: Hydraulic fluid leaks can occur due to worn seals or damaged hoses, leading to decreased performance and potential safety hazards.
- Engine Overheating: Overheating can happen if the cooling system is not functioning properly, often due to a clogged radiator or low coolant levels.
- Electrical Failures: Electrical issues, such as faulty wiring or malfunctioning sensors, can lead to erratic behavior or complete shutdown of the machine.
- Track Wear: Excessive wear on the tracks can result from operating on rough terrain or improper maintenance, affecting mobility and stability.
- Bucket Attachment Problems: Issues with bucket attachments, such as improper fitting or wear and tear, can hinder digging efficiency and increase downtime.
Recommendations for Maintenance and Troubleshooting
To keep the Liebherr 912 excavator running smoothly and to mitigate potential problems, consider the following recommendations:
Regular Maintenance
– Hydraulic System Checks: Regularly inspect hydraulic hoses and seals for signs of wear. Replace any damaged components immediately to prevent leaks.
– Cooling System Maintenance: Keep the radiator clean and ensure that coolant levels are adequate. Regularly flush the cooling system to prevent clogs.
– Electrical System Inspections: Periodically check wiring and connections for signs of corrosion or damage. Address any electrical issues promptly to avoid more significant failures.
– Track Maintenance: Inspect tracks for wear and adjust tension as needed. Regularly clean the tracks to remove debris that can cause premature wear.
– Attachment Care: Ensure that all attachments are properly fitted and maintained. Regularly inspect for wear and replace components as necessary.
Operational Best Practices
– Proper Training: Ensure that operators are adequately trained on the Liebherr 912’s controls and capabilities. This reduces the risk of operator error, which can lead to equipment damage.
– Load Management: Avoid overloading the excavator beyond its specified capacity. This can strain the engine and hydraulic system, leading to premature wear.
– Terrain Awareness: Be mindful of the terrain when operating the excavator. Avoid rough or unstable ground whenever possible to minimize track wear and potential tipping hazards.
– Routine Inspections: Conduct daily pre-operation checks to identify any potential issues before they escalate. This includes checking fluid levels, inspecting for leaks, and ensuring all safety features are functional.
By addressing these common problems and following the recommended maintenance practices, operators can enhance the performance and longevity of the Liebherr 912 excavator, ensuring it remains a valuable asset on any job site.