Shandong Lingong E6550H Tier IV Hydraulic Excavator Specifications

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The Shandong Lingong E6550H Tier IV Hydraulic Excavator is a high-performance, fuel-efficient large hydraulic excavator designed for heavy-duty applications in mining, construction, and earthmoving projects. Equipped with a Cummins engine meeting Tier IV emission standards, it delivers powerful performance while ensuring compliance with stringent environmental regulations. The machine features an advanced hydraulic system, intelligent temperature control, and a comfortable operator cabin, making it a reliable choice for demanding work environments.

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📋 Detailed Specifications
1. Basic Parameters

• Operating Weight: 54,000 kg
  
• Bucket Capacity: 3.6 m³
  
• Rated Power: 343 kW
  
• Emission Standard: Tier IV
  
• Swing Speed: 9.3 rpm
  
• Travel Speed: Low: 2.9 km/h; High: 4.8 km/h
  
• Overall Dimensions (L×W×H): 12,430 × 3,565 × 3,625 mm
  

2. Engine and Power System

• Engine Model: Cummins (specific model not disclosed)
  
• Rated Power: 343 kW
  
• Torque Reserve: High
  
• Injection System: High-pressure common rail with optimized injection angle for better atomization and combustion
  
• Fuel Efficiency: Enhanced fuel economy through optimized combustion
  
• Aftertreatment System: Selective Catalytic Reduction (SCR) for reduced fuel and urea consumption
  

3. Hydraulic System

• Main Pump Displacement: 252 cc
  
• Main Valve Type: Fully electric proportional solenoid valve
  
• Hydraulic Oil Temperature Control: Variable displacement pump adjusts oil flow based on temperature for precise control and energy saving
  
• Cooling System: Large oil cooler and reversible fan for efficient heat dissipation and dust removal
  

4. Operator Cabin and Control

• Seat: High-end air-suspended seat with heating and adjustable settings for comfort
  
• Display: 8-inch LCD color screen for clear machine status monitoring
  
• Control Panel: Integrated keypad with functions for throttle, travel speed, and power modes
  

5. Structural Components

• Work Equipment: Reinforced design for heavy-duty applications
  
• Undercarriage: Welded chassis with 2-tooth reinforced tracks, large wheelbase and gauge for stability
  
• Filtration System: High-end box-type air filter with strong dust capacity and long maintenance intervals
  

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✅ Summary
The Shandong Lingong E6550H Tier IV Hydraulic Excavator combines powerful performance with fuel efficiency and environmental compliance. Its advanced hydraulic system and intelligent temperature control enhance operational efficiency and durability. The comfortable operator cabin and reinforced structural components ensure reliability in demanding work environments. This model is ideal for large-scale construction and mining projects requiring high productivity and low operating costs.