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The Doosan DX220LC-7 is a powerful, efficient, and reliable hydraulic crawler excavator designed for heavy-duty construction, mining, and earth-moving operations. Part of Doosan’s 7-series, it combines advanced technology with enhanced fuel efficiency, superior performance, and operator comfort.

Key Features and Specifications:

• Operating Weight: Approximately?22,300 kg (49,150 lbs), making it ideal for medium to heavy-duty applications.
• Engine: Powered by a?Doosan DL08V?turbocharged, 6-cylinder engine with an intercooler, delivering?149 kW (200 hp)?of gross power at 1,800 rpm. The engine is designed to meet stringent emission standards and provide excellent fuel economy.
• Hydraulic System: The DX220LC-7 features a fully electronically controlled hydraulic system that ensures precise, smooth, and responsive operation, enhancing productivity while minimizing fuel consumption.
  • Hydraulic Pump Flow:?425 L/min (112.1 gpm).
  • Relief Valve Pressure:?350 bar (5076.3 psi).
• Swing Speed:?11 rpm?for fast and efficient swinging movements.
• Fuel Tank Capacity:?410 L (108.6 gal), offering extended operational hours.
• Bucket Capacity: Typically, the bucket size ranges from?1.2 m? to 1.3 m? (1.57 to 1.70 yd?), depending on the attachment.
• Dimensions:
  • Length:?9.87 m (32.4 ft).
  • Width:?2.99 m (9.8 ft).
  • Height:?2.95 m (9.7 ft).
  • Tail Swing Radius:?2.85 m (9.4 ft).

Performance:

• The?DX220LC-7?is engineered for excellent performance, providing high digging power and efficient hydraulic operation. It can handle a variety of tasks, including heavy lifting, digging, and trenching, while maintaining fuel efficiency through Doosan’s intelligent hydraulic management system.
• Fuel Efficiency: The?DX220LC-7?offers up to?10% fuel savings?compared to previous models, thanks to improved engine and hydraulic systems.

Operator Comfort:

• The?spacious and ergonomic cabin?is designed for operator comfort, with features like an adjustable air suspension seat, a large touchscreen display for monitoring the machine’s performance, and air conditioning for a cool working environment. The intuitive joystick controls and enhanced visibility ensure that operators can work safely and efficiently.

Durability:

• Built with durability in mind, the?DX220LC-7?is equipped with reinforced components and a heavy-duty undercarriage, ensuring long-lasting performance even in tough working conditions.

Applications:

• Excavation and Trenching: Suitable for digging and trenching in various soil types and conditions.
• Demolition: Efficient for medium to heavy demolition tasks.
• Road Construction: Ideal for grading, leveling, and preparing surfaces for roadworks.
• Material Handling: Used in lifting and transporting materials across construction sites.