The Case 688 Excavator is a remarkable piece of equipment designed for a variety of construction, demolition, and earthmoving tasks. As one of the newest models in the Case lineup, the 688 excavator offers enhanced performance, durability, and efficiency. Whether you are a contractor looking to invest in a reliable machine or an operator wanting to understand its capabilities, this article will provide a comprehensive overview of the specifications and features of the Case 688 Excavator.
General Overview
The Case 688 Excavator is engineered to provide optimal performance in a variety of working environments. Its robust design and powerful engine make it suitable for heavy-duty tasks, while its advanced hydraulic system ensures precision and control during operation.
Key Specifications
Understanding the specifications of the Case 688 Excavator is crucial for evaluating its performance capabilities. Below are some of the essential specifications:
Engine
- Model: Case 6CTA8.3
- Type: Turbocharged, diesel engine
- Power Output: 130 horsepower (97 kW)
- Displacement: 8.3 liters
- Max Torque: 540 Nm at 1,400 RPM
- Fuel Tank Capacity: 140 liters
The powerful engine enables the Case 688 to handle demanding tasks with ease, providing the necessary power for digging, lifting, and moving heavy materials.
Dimensions
- Operating Weight: 13,500 kg
- Overall Length: 7,150 mm
- Overall Width: 2,550 mm
- Overall Height: 2,850 mm
- Boom Length: 3,200 mm
- Stick Length: 1,800 mm
These dimensions make the Case 688 both compact enough for urban environments and robust enough for rural or construction sites.
Hydraulic System
- Type: Closed-center load-sensing hydraulic system
- Pump Flow Rate: 160 liters per minute
- Max Operating Pressure: 350 bar
The hydraulic system is designed for high efficiency and responsiveness, ensuring that the excavator can perform tasks such as trenching, grading, and lifting with precision.
Performance and Capabilities
The performance of the Case 688 Excavator makes it a preferred choice for many professionals in the construction industry.
Digging and Lifting Capability
- Max Dig Depth: 4,500 mm
- Max Reach at Ground Level: 7,600 mm
- Bucket Digging Force: 90 kN
- Arm Digging Force: 60 kN
The digging and lifting capabilities of the Case 688 are impressive, allowing it to tackle a variety of excavation tasks efficiently. The powerful bucket and arm forces enable operators to break through tough soil and lift heavy materials.
Bucket Options
The Case 688 offers various bucket options catering to different tasks:
1. General Purpose Bucket: Ideal for standard digging tasks.
2. Grading Bucket: Suitable for grading and leveling surfaces.
3. Rock Bucket: Designed for heavy-duty applications involving hard materials.
Choosing the right bucket for the job can enhance productivity and ensure optimal results.
Operator Comfort and Control
The Case 688 Excavator is designed with the operator's comfort and efficiency in mind. A well-designed cab and intuitive controls make it easier for operators to perform their tasks effectively.
Cab Features
- Spacious Cab: Provides ample room for operator movement.
- Air Conditioning and Heating: Ensures comfort in various weather conditions.
- Adjustable Seat: Allows operators to find their optimal working position.
- Large Windows: Provides excellent visibility of the worksite.
These features contribute to a comfortable work environment, allowing operators to focus on their tasks without distractions.
Control System
The control system of the Case 688 is designed for ease of use and precision. Key features include:
- Ergonomic Joysticks: For smooth operation of the boom and bucket.
- Multi-function Controls: Allow operators to perform multiple actions simultaneously.
- Digital Display: Provides real-time information on machine performance and diagnostics.
The combination of these controls enhances the overall efficiency of the excavator.
Maintenance and Durability
Regular maintenance is key to ensuring the longevity and performance of the Case 688 Excavator. The design of the machine facilitates easy access to critical components.
Maintenance Schedule
It is essential to follow a regular maintenance schedule, which typically includes:
1. Daily Checks: Inspect fluid levels, filters, and hoses.
2. Weekly Maintenance: Grease joints and check for wear on tracks.
3. Monthly Inspections: Examine hydraulic components and electrical systems.
4. Annual Service: Conduct a thorough inspection by a qualified technician.
Adhering to these maintenance guidelines will help keep the Case 688 in optimal working condition.
Durability Features
The Case 688 is built for durability with features such as:
- Reinforced Frame: Designed to withstand heavy loads and rough terrain.
- Heavy-duty Undercarriage: Provides stability and support during operation.
- Quality Materials: Ensures resistance to wear and tear over time.
These durability features make the Case 688 a reliable choice for heavy-duty applications.
Conclusion
The Case 688 Excavator stands out in the market for its impressive specifications, robust performance, and operator-friendly design. With a powerful engine, advanced hydraulic system, and comfortable cab, it is equipped to handle a variety of tasks ranging from excavation to grading. Its durability and ease of maintenance further solidify its reputation as a reliable piece of heavy machinery. Whether you are a contractor looking to enhance your fleet or an operator seeking a capable machine, the Case 688 Excavator is a strong contender that promises efficiency and performance on any job site.
Frequently Asked Questions
What is the operating weight of the Case 688 excavator?
The operating weight of the Case 688 excavator is approximately 22,000 pounds (10,000 kg).
What type of engine does the Case 688 excavator use?
The Case 688 excavator is equipped with a Tier 4 Final engine, typically a 4-cylinder diesel engine that provides efficient power and meets emissions standards.
What is the maximum digging depth of the Case 688 excavator?
The maximum digging depth of the Case 688 excavator is around 14 feet (4.3 meters).
What is the hydraulic flow rate of the Case 688 excavator?
The hydraulic flow rate of the Case 688 excavator is approximately 25 gallons per minute (95 liters per minute), allowing for efficient operation of attachments.
What is the bucket capacity of the Case 688 excavator?
The standard bucket capacity of the Case 688 excavator ranges from 0.5 to 1.0 cubic yards, depending on the specific bucket attachment used.
