Here are the detailed specifications for a refurbished Caterpillar Cat 303.5E CR mini excavator:

Operating Weight and Dimensions

• Operating Weight: 3,510–3,690 kg (7,734–8,139 lb)
• Overall Length: ~4.5–4.7 meters
• Overall Width: ~1.78 meters
• Overall Height: ~2.5 meters
• Tail Swing Radius: ~1.3 meters (compact radius design)
• Ground Clearance: ~300 mm
• Track Width: 300–350 mm standard

Engine and Powertrain

• Engine Model: Cat® C1.8
• Net Power: 23.6 kW (31.6 hp) @ 2,400 rpm
• Gross Power: 24.8 kW (33.3 hp)
• Maximum Torque: ~110–120 Nm
• Fuel Tank Capacity: ~45 liters
• Travel Speed: 2.8–4.8 km/h
• Swing Speed: ~9.5 rpm
• Gradeability: Up to 30°

Hydraulic System

• Main Pump Type: Variable displacement axial piston pump
• Flow Rate: ~2 × 65–75 L/min
• System Pressure: Up to 22.5 MPa
• Hydraulic Oil Capacity: ~45–50 liters
• Boom Cylinder Bore: ~80 mm
• Arm Cylinder Bore: ~70 mm
• Bucket Cylinder Bore: ~60 mm

Performance Metrics

• Bucket Capacity: 0.08–0.12 m³
• Max Digging Depth: ~2.9 meters (9.6 ft)
• Max Reach (Horizontal): ~5.0–5.2 meters
• Max Dump Height: ~3.2–3.4 meters
• Bucket Digging Force: ~28–30 kN
• Arm Digging Force: ~18–20 kN

Cab and Operator Features

• Cab Type: ROPS/FOPS certified (open or enclosed cab options)
• Display: LCD monitor with diagnostics and fuel tracking
• Controls: Pilot joystick controls with proportional auxiliary hydraulics
• Comfort: Optional climate control, ergonomic seat, low vibration cab
• Visibility: Wide glass area, optional rear-view camera, LED work lights

Smart Features and Efficiency

• Fuel Efficiency: Auto idle and load-sensing hydraulics
• Emissions Control: Tier 4 Final compliant
• Telematics Ready: Cat Product Link™ (optional)
• Ease of Transport: Trailer-compatible, under 4-ton class

Attachments Compatibility

• Standard Bucket: 0.08–0.12 m³
• Optional Tools: Hydraulic breaker, auger, compactor, grapple
• Quick Coupler: Manual or hydraulic options available

Refurbishment Scope

Refurbished Cat 303.5 units typically include:

• Engine Overhaul: Injectors, turbo, seals, 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 303.5 Excavator

The Caterpillar Cat 303.5 is a compact, versatile mini-excavator with a variety of applications, ranging from trenching and grading to landscaping and utility work. Its compact size allows it to operate in confined spaces, making it ideal for jobs where maneuverability is key. Despite its smaller footprint, the Cat 303.5 delivers impressive power, lifting capacity, and hydraulic efficiency.

Key Specifications of the Caterpillar Cat 303.5

• Operating Weight: 3,600–3,800 kg (7,900–8,400 lbs)

• Engine Power: 25.5–27.5 kW (34–37 hp)

• Max Digging Depth: 3.6 meters (11.8 feet)

• Max Reach: 5.6 meters (18.4 feet)

• Bucket Capacity: 0.1–0.2 cubic meters

• Travel Speed: 5.5–6.5 km/h (3.4–4.0 mph)

• Fuel Tank Capacity: 55–60 liters (14.5–15.8 gallons)

These specifications make the 303.5 a powerhouse in its class, delivering solid performance in a wide variety of applications. Its digging depth and reach allow it to handle most tasks typically required in urban construction projects, landscaping, and site development.

Engine and Hydraulics for High Efficiency

The Cat 303.5 is equipped with an efficient and fuel-friendly engine, designed to meet performance demands while keeping operating costs in check. The hydraulics are highly responsive, allowing operators to make precise movements when digging, grading, or lifting materials.

• Fuel-Efficient Engine: The 303.5 is powered by a compact, high-output diesel engine that ensures excellent fuel economy, making it an excellent choice for long-term cost efficiency.

• Hydraulic System: The machine features a load-sensing hydraulic system, which adjusts the flow of hydraulic fluid according to the required load, optimizing fuel consumption while maintaining excellent performance.

• Powerful Digging Force: Despite its compact size, the Cat 303.5 is capable of delivering a strong digging force, allowing it to handle even challenging soil conditions.

Maneuverability and Stability

One of the standout features of the Caterpillar Cat 303.5 is its exceptional maneuverability in tight spaces. The machine’s compact size and low tail-swing radius allow operators to work in confined areas without sacrificing performance.

• Compact Size: With an overall width of less than 2 meters (6.5 feet), the 303.5 is perfect for work in narrow alleys, urban construction sites, or residential areas where space is limited.

• Stability and Balance: Despite its small size, the Cat 303.5 is well-balanced, ensuring stability while working on slopes or uneven ground. The machine’s low center of gravity prevents tipping, even when lifting heavy loads.

• Advanced Track System: The 303.5 is equipped with durable rubber tracks that provide excellent traction while minimizing ground disturbance, making it ideal for use on sensitive surfaces like lawns and paved areas.

Operator Comfort and Safety

The Caterpillar Cat 303.5 doesn’t compromise on operator comfort, despite being a compact machine. The operator’s cabin is designed for ease of use and visibility, contributing to overall productivity and safety.

• Ergonomically Designed Cabin: The cabin offers excellent visibility and features ergonomic controls that are easy to operate. The machine’s joystick controls allow for smooth and precise movements during operation.

• Comfort Features: The 303.5 features an adjustable seat, air conditioning, and an easily accessible control panel, reducing operator fatigue and enhancing productivity during long shifts.

• Safety Features: The machine is equipped with ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) to protect the operator in case of an accident. It also features a slew brake and alarms to prevent accidents and ensure safe operation.

Benefits of Choosing a Refurbished Caterpillar Cat 303.5 Excavator

Opting for a refurbished Cat 303.5 excavator offers several key benefits, especially for contractors looking for a high-quality machine at a more affordable price.

• Cost Savings: A refurbished Cat 303.5 provides a cost-effective solution, often priced significantly lower than a new model. Refurbishment ensures that the machine’s key components are repaired or replaced, making it a great value proposition for budget-conscious buyers.

• Thorough Refurbishment Process: Refurbished Cat 303.5 units undergo comprehensive inspections, which include engine checks, hydraulic system tests, undercarriage inspection, and other critical components to ensure optimal performance.

• Warranty and Support: Many refurbished units come with a limited warranty, giving buyers peace of mind and coverage against unforeseen issues.

• Sustainability: Purchasing a refurbished machine is an environmentally responsible choice, as it extends the lifespan of the equipment and reduces the need for new manufacturing.

Maintenance Tips for a Long-Lasting Cat 303.5

To ensure your Caterpillar Cat 303.5 remains in top working condition, regular maintenance is essential. Following the recommended maintenance schedule can extend the life of the machine and keep operating costs low.

• Regular Engine Maintenance: Check engine oil and hydraulic fluid levels regularly, and replace filters and fluids as recommended in the operator’s manual.

• Undercarriage Inspection: Inspect the tracks and undercarriage for signs of wear and tear. Regularly clean the undercarriage to remove dirt, debris, and mud that can cause excessive wear.

• Hydraulic System Care: Monitor hydraulic lines for leaks and ensure the system remains clean to avoid costly repairs.

• Cabin Care: Keep the cabin clean and check safety features, such as the seatbelt and protective structures, to ensure the safety of the operator.

Conclusion

The Caterpillar Cat 303.5 excavator is a compact powerhouse that combines versatility, power, and ease of use in a highly maneuverable package. Whether used for digging, trenching, grading, or lifting, the 303.5 is a reliable solution for contractors working in tight spaces. A refurbished Cat 303.5 offers a cost-effective way to access this exceptional piece of machinery, with all the benefits of a new machine at a lower price point. With its strong performance, comfortable operator environment, and low operating costs, the Cat 303.5 is a valuable asset for businesses in need of a reliable, compact excavator.

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