2003 Caterpillar 320C Excavator Guangdong - Shenzhen $13,904

[MikePhua]

                               

ID：1825960

• Brand: Caterpillar
  
• Model: 320C
  
• Year of Manufacture: 2003
  
• Hours: 8,800 hours
  
• Location: Guangdong - Shenzhen
  

The Caterpillar 320C, manufactured in 2003, remains a benchmark in mid-sized hydraulic excavators. With a working weight of 21,115 kg and a bucket capacity of 0.8 m³, it was designed to balance power, efficiency, and versatility in construction and earthmoving operations. The 320C is widely recognized for its durability and the longevity of its components, making it a reliable choice even after thousands of hours of operation.
Engine and Power System

• Engine Model: CAT 3066 ATAAC
  
• Rated Power: 110 kW at 1800 rpm
  
• Cooling System: Water-cooled
  
• Cylinder Bore × Stroke: 102 × 130 mm
  
• Displacement: 6.4 L
  
• Power Type: Conventional diesel
  
• Manufacturer: Joint venture/import
  

The engine features a direct-injection system providing consistent torque and efficient fuel use. Its power output allows the 320C to handle heavy-duty tasks such as digging, trenching, and loading without compromising performance.
Hydraulic and Performance Parameters

• Ground Pressure: 48.02 kPa
  
• Swing Speed: 11.5 rpm
  
• Bucket Digging Force: 132 kN
  
• Arm Digging Force: 99 kN
  
• Travel Speed: 5.5 km/h
  

Equipped with a variable displacement hydraulic pump delivering 205 L/min, the 320C ensures smooth and precise movements of the boom, arm, and bucket. The hydraulic system includes separate circuits for travel and swing, maintaining optimal pressure and responsiveness under demanding conditions.
Hydraulic Cylinders Configuration

• Bucket Cylinder: 1 × 120 mm × 1030 mm
  
• Arm Cylinder: 1 × 140 mm × 1430 mm
  
• Boom Cylinder: 2 × 120 mm × 1260 mm
  

Fluid Capacities

• Fuel Tank: 320 L
  
• Hydraulic Oil Tank: 120 L
  
• Engine Oil Replacement: 30 L
  
• Coolant: 24 L
  
• Total Hydraulic System: 200 L
  

These capacities ensure extended operation between maintenance intervals, reducing downtime and improving project efficiency.
Dimensions and Travel Components

• Transport Length: 9390 mm
  
• Transport Width: 2800 mm
  
• Transport Height: 3050 mm
  
• Cabin Height: 3050 mm
  
• Minimum Ground Clearance: 460 mm
  
• Rear Swing Radius: 2770 mm
  
• Track Length: 4070 mm
  
• Track Gauge: 2200 mm
  
• Track Shoe Width: 600 mm
  
• Total Track Width: 2800 mm
  
• Track Ground Contact Length: 3260 mm
  

Operating Range

• Maximum Digging Depth: 6550 mm
  
• Maximum Digging Height: 9440 mm
  
• Maximum Dumping Height: 6770 mm
  
• Maximum Vertical Digging Depth: 5440 mm
  
• Maximum Excavation Radius at Ground Level: 9710 mm
  

The 320C provides operators with extended reach and height capabilities, enabling efficient material handling, trenching, and excavation in construction sites, mining operations, and infrastructure projects. Its compact dimensions relative to its power allow it to work in confined spaces while maintaining stability.
Operational Insights
Many operators appreciate the 320C for its intuitive controls, consistent hydraulic response, and reliable engine performance. In regions like Guangdong, it is often employed in urban construction, road projects, and residential developments due to its combination of strength and manageable size. With proper maintenance, these machines can remain productive well beyond 20,000 operating hours.