6 hours ago
ID:1825286
The 2011 Doosan DH225-9 is a 22-ton hydraulic excavator designed for medium-to-heavy construction, earthmoving, and infrastructure projects. With 9,687 operating hours and currently located in Jiaozuo, Henan, this machine provides reliable digging performance and robust conventional power suitable for both urban and rural construction sites. Its backhoe bucket configuration allows for efficient excavation and loading operations, making it a practical choice for contractors seeking a durable machine with a proven track record.
Manufacturer Background and Development
Doosan Infracore, part of the South Korean Doosan Group, has a long-standing history in construction equipment manufacturing, dating back to the early 20th century. Known for its combination of Korean engineering and international collaboration, Doosan has developed a reputation for reliability and efficiency. The DH series, including the DH225-9, was introduced to provide high-performance excavators in the 20–25 ton range with a balance between hydraulic efficiency, fuel economy, and ease of maintenance.
By 2011, Doosan had sold thousands of DH225-9 units worldwide, particularly in Asia and the Middle East, where its durability and component quality made it a preferred choice for mid-scale projects. The machine benefits from Doosan’s global supply chain and technology partnerships, ensuring consistent standards and availability of spare parts.
Core Specifications
- Operating weight: 22 tons
- Power source: Conventional diesel engine
- Bucket type: Backhoe
- Manufacturer: Joint venture/imported
Engine and Powertrain
Although specific engine details are not listed, the DH225-9 typically features a high-torque, fuel-efficient diesel engine in the 150–180 kW range. This engine provides sufficient power for continuous operation in tough conditions while maintaining reasonable fuel consumption. The conventional powertrain allows for straightforward maintenance and long-term reliability.
Performance Metrics
- Excavation capacity: Suitable for mid-sized construction tasks
- Bucket configuration: Backhoe type for improved digging efficiency
- Operational hours: 9,687 hours indicating moderate use for a 2011 model
Hydraulic System
The DH225-9 is equipped with a conventional hydraulic system optimized for durability and cost-effective maintenance. While specific pump flow rates and pressures are not detailed, the system is designed to provide smooth operation, precise control, and reliable lifting and digging force. Routine checks on hydraulic fluid levels and seals are recommended to maintain performance and prevent downtime.
Operator Comfort and Safety
Doosan cabins emphasize operator ergonomics, with a well-placed control console, comfortable seating, and basic ROPS protection. Although not as advanced as newer models, the DH225-9’s cabin provides sufficient visibility and safety features for medium-scale construction environments.
Maintenance and Serviceability
- Easy access to engine and hydraulic components
- Conventional powertrain allows straightforward maintenance
- Recommended inspections include hydraulic fluid analysis, filter replacement, and lubrication at regular intervals
Market Value and Applications
Currently, a 2011 DH225-9 with around 9,687 hours typically sells for approximately $20,000–22,000 depending on condition and location. Its value stems from reliability, ease of maintenance, and versatility. It is well-suited for urban construction, roadworks, landscaping, and utility projects where moderate excavation depth and precision are required.
Conclusion
The 2011 Doosan DH225-9 illustrates how a well-engineered mid-size excavator can provide dependable performance over years of service. With its combination of conventional diesel power, backhoe bucket configuration, and robust build quality, it remains a practical and economical choice for contractors seeking a reliable excavator for a wide range of construction and earthmoving projects.