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Kobelco 85 Excavator: A Comprehensive Overview
The Kobelco 85 Excavator is a compact yet powerful machine that has carved out a niche for itself in the construction and excavation industry. Designed for versatility and efficiency, this excavator is ideal for a variety of applications, from residential projects to commercial construction sites. With its robust performance and user-friendly features, the Kobelco 85 stands out in a crowded market.
Performance and Versatility
One of the key selling points of the Kobelco 85 Excavator is its exceptional performance. Equipped with a powerful engine, this machine delivers impressive digging force and lifting capacity, making it suitable for heavy-duty tasks. Whether you’re digging trenches, lifting heavy materials, or grading surfaces, the Kobelco 85 can handle it all with ease. Its compact size allows for maneuverability in tight spaces, which is a significant advantage on urban job sites where space is often limited.
The excavator’s hydraulic system is another highlight, providing smooth and precise control over various attachments. This flexibility allows operators to switch between tasks quickly, enhancing productivity. From buckets to hammers, the Kobelco 85 can accommodate a range of attachments, making it a versatile tool for any contractor.
Operator Comfort and Safety
Operator comfort is a crucial aspect of any heavy machinery, and the Kobelco 85 does not disappoint. The cab is designed with ergonomics in mind, featuring adjustable seating and intuitive controls that reduce operator fatigue during long hours of work. Visibility is also a strong point, with large windows that provide an unobstructed view of the work area, ensuring that operators can work safely and efficiently.
While safety features are not the primary focus of this review, it’s worth noting that the Kobelco 85 is equipped with essential safety measures. These include a ROPS (Roll-Over Protective Structure) and a FOPS (Falling Object Protective Structure), which help protect the operator in case of accidents.
Fuel Efficiency and Maintenance
In today’s economy, fuel efficiency is a critical concern for contractors. The Kobelco 85 Excavator is designed with this in mind, boasting an efficient engine that minimizes fuel consumption without sacrificing performance. This not only helps reduce operational costs but also lessens the environmental impact, making it a more sustainable choice for contractors.
Maintenance is another area where the Kobelco 85 excels. The machine is designed for easy access to key components, simplifying routine checks and repairs. This user-friendly design means less downtime and more time on the job, which is crucial for meeting project deadlines.
In summary, the Kobelco 85 Excavator is a reliable and efficient machine that offers a blend of power, versatility, and operator comfort. Whether you’re a seasoned contractor or a DIY enthusiast, this excavator is worth considering for your next project.
Kobelco 85 Excavator Specs
The Kobelco 85 Excavator is engineered for performance and reliability, making it a top choice for contractors and operators alike. Below, we delve into the detailed specifications that define this powerful machine.
Engine Specifications
The heart of any excavator is its engine, and the Kobelco 85 does not disappoint. Here’s a breakdown of its engine specifications:
| Specification | Details |
|---|---|
| Engine Model | Yanmar 4TNV98 |
| Type | Diesel, 4-cylinder |
| Net Power | 55.4 kW (74.3 HP) @ 2,200 RPM |
| Max Torque | 300 Nm @ 1,500 RPM |
| Displacement | 3.3 L |
| Fuel Tank Capacity | 70 L |
Dimensions
The dimensions of the Kobelco 85 Excavator are designed to provide stability and maneuverability, making it suitable for various job sites.
| Specification | Details |
|---|---|
| Overall Length | 4,860 mm |
| Overall Width | 2,200 mm |
| Overall Height | 2,570 mm |
| Track Width | 400 mm |
| Track Length | 2,380 mm |
| Ground Clearance | 320 mm |
Weight and Capacity
Understanding the weight and capacity of the Kobelco 85 is essential for assessing its operational capabilities.
| Specification | Details |
|---|---|
| Operating Weight | 8,500 kg |
| Max Digging Depth | 4,540 mm |
| Max Reach at Ground Level | 6,500 mm |
| Bucket Capacity | 0.3 – 0.4 m³ |
| Max Dumping Height | 4,200 mm |
Working Performance
The working performance of the Kobelco 85 Excavator is a critical aspect that defines its utility on the job site.
| Specification | Details |
|---|---|
| Max Arm Reach | 5,800 mm |
| Max Digging Force (Bucket) | 50 kN |
| Max Digging Force (Arm) | 35 kN |
| Swing Speed | 10.5 RPM |
| Travel Speed | 2.5 km/h |
The Kobelco 85 Excavator is a powerful machine with specifications that cater to a wide range of excavation needs. Its engine performance, dimensions, weight, and working capabilities make it a reliable choice for contractors looking to maximize efficiency and productivity on the job site.
Common Problems and Recommendations for the Kobelco 85 Excavator
While the Kobelco 85 Excavator is a robust and reliable machine, like any piece of heavy equipment, it can encounter issues over time. Understanding these potential problems and knowing how to address them can save operators time and money. Below are some common problems and practical recommendations for maintaining the Kobelco 85.
Common Problems
1. Hydraulic System Issues
Hydraulic systems are crucial for the operation of excavators, and problems can arise due to:
– Leaks: Hydraulic fluid leaks can occur from hoses, fittings, or seals, leading to reduced performance.
– Overheating: Excessive heat can damage hydraulic components, often caused by low fluid levels or contaminated fluid.
– Slow Response: If the hydraulic system is sluggish, it may indicate air in the lines or low fluid levels.
2. Engine Performance Problems
Engine-related issues can significantly affect the excavator’s performance:
– Starting Difficulties: Problems with the starter motor or battery can prevent the engine from starting.
– Power Loss: A decrease in power can be caused by fuel system issues, clogged filters, or exhaust restrictions.
– Excessive Smoke: Blue or black smoke can indicate improper fuel combustion or oil leaks.
3. Undercarriage Wear
The undercarriage is subject to wear and tear, which can lead to:
– Track Damage: Worn or damaged tracks can affect stability and mobility.
– Roller and Idler Wear: These components can wear out, leading to uneven track tension and potential track derailment.
– Sprocket Wear: Worn sprockets can lead to inefficient power transfer and increased wear on the tracks.
Recommendations for Maintenance
To mitigate these issues, regular maintenance and proactive measures are essential. Here are some recommendations:
1. Regular Inspections
– Conduct daily visual inspections of hydraulic hoses and connections for leaks.
– Check fluid levels and top off hydraulic fluid as needed.
– Inspect the undercarriage for signs of wear and damage.
2. Scheduled Maintenance
– Follow the manufacturer’s recommended maintenance schedule for oil changes, filter replacements, and other routine services.
– Clean or replace air filters regularly to ensure optimal engine performance.
– Schedule periodic hydraulic system flushes to remove contaminants.
3. Operator Training
– Ensure that operators are trained on the proper use of the excavator to prevent misuse that can lead to damage.
– Encourage operators to report any unusual sounds or performance issues immediately.
4. Use Quality Parts
– When replacing parts, use OEM (Original Equipment Manufacturer) components to ensure compatibility and reliability.
– Invest in high-quality hydraulic fluids and lubricants to enhance system performance and longevity.
By being aware of these common problems and implementing the recommended maintenance practices, operators can enhance the lifespan and performance of the Kobelco 85 Excavator. Regular attention to these details will ensure that the machine remains a reliable workhorse on any job site.