Here are the detailed specifications for a refurbished Caterpillar Cat 308 excavator:

Operating Weight and Dimensions

• Operating Weight: 8,000–8,500 kg
• Transport Length: ~6.3–6.5 meters
• Transport Width: ~2.3 meters
• Transport Height: ~2.5–2.6 meters
• Tail Swing Radius: ~1.6–1.8 meters (compact radius design)
• Track Width: 450 mm standard
• Undercarriage: Fixed or variable gauge depending on variant

Engine and Powertrain

• Engine Model: Cat C3.3B (Tier 4 Final / EU Stage V compliant in newer builds)
• Rated Power Output: ~51.8 kW (69.5 hp) @ 2,200 rpm
• Fuel Tank Capacity: ~120–135 liters
• Travel Speed: 2.8–5.0 km/h
• Swing Speed: ~10–11 rpm
• Drive Type: Hydrostatic with planetary final drives

Hydraulic System

• Main Pump Type: Load-sensing, variable displacement piston pumps
• Flow Rate: ~2 × 110–120 L/min
• System Pressure: Up to 28 MPa
• Hydraulic Oil Capacity: ~90–100 liters
• Efficiency Features:
  • Smart flow distribution
  • Boom/swing priority
  • Regeneration circuits

Performance Metrics

• Bucket Capacity: 0.25–0.35 m³ (SAE heaped)
• Max Digging Depth: ~4.2–4.5 meters
• Max Reach (Horizontal): ~6.5–6.8 meters
• Max Dump Height: ~4.5–4.8 meters
• Bucket Digging Force: ~55–60 kN
• Arm Digging Force: ~40–45 kN

Cab and Operator Features

• Cab Type: ROPS/FOPS certified
• Display: LCD monitor with diagnostics and fuel tracking
• Controls: Pilot-operated joysticks with auxiliary hydraulic circuit
• Comfort: Adjustable seat, optional HVAC, low-noise cab
• Visibility: Wide glass area, rear-view camera, LED work lights

Smart Features and Efficiency

• Fuel Efficiency:
  • Auto idle and engine shutdown
  • ECO mode
• Emissions Control:
  • DOC + DPF + SCR (Tier 4 Final)
• Transportability: Easily trailerable under 9-ton class

Attachments Compatibility

• Standard Bucket: 0.25–0.35 m³
• Optional Tools: Hydraulic breaker, auger, compactor, ripper
• Quick Coupler: Manual or hydraulic options available

Refurbishment Scope

Refurbished Cat 308 units typically include:

• Engine Overhaul: Turbocharger, injectors, cooling system
• Hydraulic Restoration: Pump recalibration, valve block testing, hose replacement
• Electrical Diagnostics: Monitor, sensors, wiring harness
• Cab Reconditioning: Seat, joysticks, HVAC, repainting
• Structural Repairs: Boom/bucket welding, bushing replacement, undercarriage rebuild

Overview of the Caterpillar Cat 308 Excavator

The Caterpillar Cat 308 is a small-to-mid-sized, tracked hydraulic excavator that excels in a variety of tasks, including digging, grading, material handling, and light demolition. Its compact size and excellent stability make it ideal for working in restricted spaces, yet it still offers impressive reach and digging depth for its class.

Refurbished Cat 308 excavators undergo a comprehensive inspection and reconditioning process. This process replaces worn parts and brings the machine back to factory specifications, ensuring that it delivers the same high-level performance and reliability you would expect from a new machine but at a more affordable price.

Key Specifications of the Caterpillar Cat 308 Excavator

The Caterpillar Cat 308 is equipped with a variety of features and specifications that allow it to handle a wide range of applications:

• Operating Weight: Approximately 8,000 - 9,500 kg (17,600 - 20,900 lbs)

• Engine Power: 60 - 75 hp (45 - 56 kW)

• Max Digging Depth: Up to 5.5 meters (18 feet)

• Maximum Reach: 7.2 meters (23.6 feet)

• Bucket Capacity: Typically 0.3 - 0.6 cubic meters (10 - 21 cubic feet)

• Fuel Tank Capacity: Around 130 - 150 liters (34 - 40 gallons)

• Travel Speed: Up to 5.5 km/h (3.4 mph)

These specifications give the Cat 308 the flexibility to perform a wide variety of tasks, from excavation and trenching to material handling and demolition.

Performance and Efficiency of the Cat 308

The Caterpillar Cat 308 Excavator is engineered to deliver optimal performance while maintaining excellent fuel efficiency. It’s equipped with a powerful hydraulic system and an efficient engine that allows it to handle demanding tasks with ease.

Performance Highlights:

• Powerful Hydraulics: The Cat 308 is equipped with a high-performance hydraulic system that enables smooth and precise control of the boom, arm, and bucket. This allows for faster cycle times and improved productivity, particularly in tasks like digging, grading, and lifting.

• Fuel Efficiency: The Cat 308's engine is designed for fuel efficiency, helping operators save on operational costs without sacrificing performance. This feature makes it an excellent choice for long working hours and projects requiring frequent operation.

• Digging and Lifting Power: Despite its compact size, the Cat 308 offers excellent digging depth and reach, making it ideal for tasks like trenching, foundation work, and material handling. Its robust hydraulics ensure it can handle heavy lifting and tough soil conditions with ease.

• Precision Control: Operators can expect precise control and smooth operation when using the Cat 308, even in tight spaces. The responsive controls help perform delicate tasks such as grading and lifting with high accuracy, making the machine ideal for tasks requiring fine detail.

Durability and Longevity of the Cat 308

Caterpillar machines are well-known for their durability and longevity, and the Cat 308 is no exception. Built to withstand tough working conditions, this excavator is designed for high performance over extended periods.

Durability Features:

• Reinforced Undercarriage: The undercarriage of the Cat 308 is designed for durability, ensuring that it can handle rough and uneven terrain without issues. The tracks, sprockets, and rollers are built to last, contributing to the machine's overall longevity.

• Long-Lasting Engine: The engine in the Cat 308 is designed for long-term performance. With proper maintenance, the engine can deliver thousands of hours of reliable operation, making it a valuable investment for businesses looking for a dependable machine.

• Hydraulic System Durability: The hydraulic components of the Cat 308 are built to perform under high pressure and in tough conditions. This helps ensure long-term reliability and reduces the need for frequent repairs or replacements.

Comfort and Safety of the Cat 308

Operator comfort and safety are key considerations in the design of the Cat 308. The cabin is spacious, ergonomic, and offers excellent visibility, ensuring operators can work efficiently and safely for extended periods.

Comfort and Safety Features:

• Spacious and Ergonomic Cabin: The Cat 308 features a well-designed cabin with adjustable seating and controls, allowing operators to work comfortably, even during long shifts. The cabin's ergonomic layout helps reduce operator fatigue, increasing productivity and comfort.

• Noise and Vibration Reduction: To improve comfort and reduce operator fatigue, the Cat 308 is equipped with features that minimize noise and vibration within the cabin. This is particularly useful when working long hours on challenging tasks.

• Safety Features: The Cat 308 comes equipped with various safety features, including Roll Over Protection (ROPS) and Falling Object Protection (FOPS) to safeguard the operator. Its stable design and low center of gravity enhance safety, especially when working on uneven or inclined surfaces.

Versatility and Attachments for the Cat 308

The Caterpillar Cat 308 is highly versatile and can be equipped with a range of attachments to handle a variety of tasks. Whether you need to dig, lift, break, or move materials, the Cat 308 can be tailored to suit your specific needs.

Common Attachments for the Cat 308:

• Buckets: The Cat 308 can be fitted with a variety of buckets, including general-purpose, heavy-duty, and grading buckets. The bucket capacities typically range from 0.3 - 0.6 cubic meters (10 - 21 cubic feet), allowing for efficient material handling.

• Hydraulic Breakers: For demolition and heavy-duty material breaking, the Cat 308 can be equipped with hydraulic breakers. These attachments allow the excavator to break concrete, rock, and other materials with ease.

• Augers: The Cat 308 can be fitted with auger attachments, ideal for digging precise, deep holes for applications like foundations, post installations, or underground utilities.

• Grapples: Grapple attachments are perfect for handling and moving materials such as logs, scrap metal, or debris, making the Cat 308 suitable for light demolition and material transport.

• Quick Couplers: Quick couplers allow operators to rapidly switch between attachments, improving efficiency and reducing downtime on the job site.

Benefits of Purchasing a Refurbished Caterpillar Cat 308 Excavator

Investing in a refurbished Cat 308 offers several key advantages over purchasing a brand-new machine, especially for businesses working within a specific budget.

Key Benefits:

• Cost Savings: Refurbished Cat 308 machines are significantly more affordable than new models, providing high-quality performance at a lower cost. This makes them a great option for businesses looking to reduce expenses without sacrificing reliability.

• Thorough Reconditioning: Each refurbished Cat 308 undergoes a detailed inspection and reconditioning process. Worn components are replaced with genuine Caterpillar parts to bring the machine back to factory standards, ensuring it’s ready for years of service.

• Warranty: Many refurbished models come with a warranty, giving buyers peace of mind that their investment is protected. This ensures that the machine will perform reliably after purchase.

• Environmental Impact: Purchasing refurbished equipment is an environmentally responsible choice. It reduces waste and extends the life of existing machinery, contributing to sustainability in the construction and heavy equipment industries.

Maintenance Tips for the Caterpillar Cat 308 Excavator

To ensure that the Cat 308 continues to operate at peak performance, regular maintenance is essential. Performing routine checks and addressing issues early can prevent costly repairs and prolong the life of the machine.

Maintenance Recommendations:

• Engine Maintenance: Regularly check engine oil, replace air filters, and monitor coolant levels to prevent overheating and maintain engine efficiency.

• Hydraulic System: Inspect hydraulic hoses for leaks and replace hydraulic filters regularly. Proper care of the hydraulic system ensures smooth and efficient operation.

• Undercarriage: Regularly inspect the undercarriage for wear, particularly the tracks, sprockets, and rollers. Timely replacement of damaged parts helps prevent costly repairs and downtime.

• Attachments: Inspect buckets, grapples, and other attachments for signs of wear. Repair or replace damaged parts to maintain optimal functionality.

Conclusion

The Caterpillar Cat 308 Excavator is a reliable and versatile machine that offers excellent performance, fuel efficiency, and durability. A refurbished Cat 308 provides a cost-effective solution without compromising quality, making it an ideal choice for businesses and contractors. With proper maintenance, the Cat 308 can continue to deliver top-notch performance for years, making it a valuable investment for any construction, landscaping, or demolition project.

Our Commitment

1. 2 years / 4000 hours warranty.
2. EPA certified.
3. No sweatshop labor.

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• Navigation: G206 (Sishu Bridge) in Changfeng County, Hefei City, Anhui Province, 200 meters north to the east