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ID:1825312
The Doosan brand, originating from South Korea, has a long-standing reputation in heavy machinery, producing durable and high-performance construction equipment. Established in the 1960s, Doosan expanded into excavators in the 1970s and has since become a global player in the construction and mining industry. The DH215-9E model, produced in 2011, represents the culmination of Doosan's engineering expertise in mid-sized excavators, combining traditional power with advanced hydraulics for reliable performance. It has been widely adopted in both domestic and international markets, with a total sales volume exceeding 15,000 units globally by 2015.
Basic Specifications
- Brand: Doosan
- Model: DH215-9E
- Year of Manufacture: 2011
- Operating Hours: 4,680
- Location: Sichuan-Ganzi Tibetan Autonomous Prefecture
- Operating Weight: 21,300 kg
- Bucket Capacity: 0.86 m³
- Boom Length: 5,700 mm
- Arm Length: 2,900 mm
- Bucket Type: Backhoe
- Origin: Yantai, Shandong, China
- Power Type: Conventional diesel
The DH215-9E is powered by the DE08TIS engine, a six-cylinder turbocharged diesel unit with mechanical control and direct injection. Key engine specifications include:
- Rated Power: 110 kW at 1,950 rpm
- Bore × Stroke: 111 × 139 mm
- Displacement: 8.07 L
- Engine Type: Turbocharged, mechanically controlled, direct injection
Performance Capabilities
The DH215-9E excels in medium-scale excavation projects with a ground pressure of 49 kPa and a swing speed of 12.4 rpm. Excavation forces are impressive, with bucket digging force reaching 144.1 kN and arm digging force at 102.9 kN. The machine can traverse construction sites at a maximum speed of 5.4 km/h on flat surfaces and 3.1 km/h on slopes, with a climbing capacity of 35 degrees, making it versatile across uneven terrains.
Hydraulic System
Doosan designed the DH215-9E with a sophisticated hydraulic system to ensure smooth and precise operation. Highlights include:
- Swing Hydraulic Motor: Axial piston ×1
- Travel Hydraulic Motors: Axial piston ×2
- Main Pump Maximum Flow: 2 × 212 L/min
- Travel Circuit Pressure: 32.4 MPa
- Swing Circuit Pressure: 27.5 MPa
- Main Pump Type: Variable displacement piston pump
- Hydraulic Cylinders: Boom – 2×120×85×1280 mm; Arm – 1×135×95×1538 mm; Bucket – 1×120×80×1050 mm
Fuel and Oil Capacities
- Fuel Tank: 310 L
- Hydraulic Tank: 135 L
- Engine Oil Change: 32 L
- Coolant: 42 L
Machine Dimensions
- Total Transport Length: 9,645 mm
- Width: 2,990 mm
- Height to Cab Top: 3,025 mm
- Minimum Ground Clearance: 480 mm
- Undercarriage Track Length: 4,070 mm
- Track Width: 600 mm
- Total Track Width: 2,800 mm
- Front Minimum Turning Radius: 3,685 mm
- Rear Swing Radius: 2,840 mm
Operational Range
- Maximum Digging Radius: 9,965 mm
- Maximum Digging Depth: 6,655 mm
- Maximum Excavation Height: 9,660 mm
- Maximum Dumping Height: 6,800 mm
- Maximum Vertical Digging Depth: 5,980 mm
- Max Effective Digging Depth: 6,470 mm
- Parking Area Max Digging Radius: 9,780 mm
Advantages and Recommendations
The DH215-9E offers high digging forces, reliable engine performance, and efficient hydraulics. It is ideal for contractors seeking a mid-size excavator with versatile capabilities. Operators should regularly monitor hydraulic fluid levels and perform scheduled engine maintenance to maximize operational lifespan. For projects requiring extended reach or deeper excavation, pairing this model with specialized long-arm or heavy-duty buckets is recommended.
Conclusion
The 2011 Doosan DH215-9E represents a balance of power, efficiency, and versatility. Its robust engine, advanced hydraulics, and durable structure make it a competitive choice for construction projects in mountainous terrains and challenging conditions. With moderate operating hours and proven reliability, this excavator continues to serve as a trusted asset for construction companies seeking dependable performance.