【Product Overview】
The Doosan DH225LC-7 is a 22-ton crawler hydraulic excavator belonging to Doosan Infracore's classic LC series. This model is equipped with Doosan's self-developed DB58TIS engine and features advanced hydraulic systems and electronic control technology, delivering strong power output, excellent fuel economy, stable operation, and superior durability. The machine adopts a backhoe configuration and is widely used in various applications including building construction, road construction, mining operations, and earthworks.

【Key Specifications】

【Key Features】

1. Powerful and Fuel-Efficient Engine
Equipped with the Doosan DB58TIS turbocharged engine delivering 110kW rated power with 6.3L displacement, providing strong power output. Advanced fuel control technology ensures effective fuel utilization, reducing operating costs.

2. High-Efficiency Hydraulic System
Features a variable axial piston pump with maximum flow of 2×215 L/min and main relief pressure of 33 MPa, delivering rapid response and strong digging force. Bucket digging force reaches up to 144.1 kN for easy handling of hard materials.

3. Sturdy and Durable Structure
Constructed with high-strength steel and robust structural design for excellent stability and durability. The boom and arm feature reinforced design with strengthened key points, maintaining good working condition even under harsh conditions.

4. Comfortable Operation with Ergonomic Design
Spacious cab equipped with shock-absorbing seat and advanced sound insulation to effectively reduce noise and vibration. Multi-adjustable seat and ergonomically designed control levers reduce operator fatigue during extended working hours.

5. Easy Maintenance and Cost-Effective Operation
Well-organized component layout with easily accessible daily inspection points for convenient maintenance. Durable main components extend replacement cycles and reduce overall operating costs.

6. Multiple Configurations for Strong Adaptability
Various bucket sizes (0.5-1.28 m³) and attachments (breaker, grab, etc.) available to meet diverse application requirements.

【Operating Environment Requirements】

• Ambient Temperature: -20℃ to +40℃

• Applicable Environment: General outdoor working conditions, mining, infrastructure, earthworks

• Not Applicable For: Explosive gas/dust environments (explosion-proof type required)

【Main Application Areas】

• Building Construction

• Road Construction

• Mining Operations

• Earthworks and Excavation

• Water Conservancy Projects

• Port and Terminal Handling

• Municipal Engineering

【Standard Equipment】

• Backhoe bucket (1.0-1.15 m³)

• Doosan DB58TIS engine

• Air conditioned cab

• Hydraulic pilot control system

• Reinforced undercarriage and working attachment

【Optional Configurations】

• Various bucket sizes (0.5-1.28 m³)

• Hydraulic breaker

• Hydraulic grab

• Extended boom/arm