Here are the key specifications for the John Deere E400LC hydraulic excavator:

• Operating Weight: Approximately 40,900 kg
  
• Engine Model: John Deere PowerTech™ Plus 6090
  
• Rated Power: 232 kW (312 horsepower) @ 1,900 rpm
  
• Bucket Capacity: 2.0 to 2.4 m³
  
• Swing Speed: 9.4 rpm
  
• Travel Speed:
  • High: 5.2 km/h
    
  • Low: 2.9 km/h
    
• Gradeability: Maximum 70% (approximately 35 degrees)
  
• Bucket Digging Force: 243 kN
  
• Arm Digging Force: 186–203 kN
  
• Maximum Traction Force: 336 kN
  
• Fuel Tank Capacity: 600 liters
  
• Hydraulic Oil Tank Capacity: 232 liters
  
• Hydraulic System Capacity: 466 liters
  
• Engine Oil Change Capacity: 30 liters
  
• Cooling System Capacity: 33 liters
  
• Overall Length (Transport): 11,250 mm
  
• Overall Width (Transport): 3,520 mm
  
• Overall Height (Transport): 3,600 mm
  
• Cab Height: 3,440 mm
  
• Upper Structure Width: 2,990 mm
  
• Track Length: 5,210 mm
  
• Track Width: 600 mm
  
• Track Gauge: 2,920 mm
  
• Minimum Ground Clearance: 770 mm
  
• Counterweight Ground Clearance: 1,550 mm
  
• Front Working Device Minimum Swing Radius: 4,370 mm
  
• Rear Swing Radius: 3,500 mm
  
• Number of Track Rollers (One Side): 9
  
• Number of Carrier Rollers (One Side): 2
  
• Number of Track Shoes (One Side): 50
  
• Maximum Digging Radius: 11,250–11,040 mm
  
• Maximum Digging Depth: 7,400–7,000 mm
  
• Maximum Digging Height: 10,750–11,010 mm
  
• Maximum Dump Height: 7,391–7,520 mm
  
• Maximum Vertical Digging Depth: 6,210–6,200 mm
  

Here are the key specifications for the XCMG XE75G hydraulic excavator:

• Operating Weight: 7,680 kg
  
• Bucket Capacity: 0.32 m³
  
• Engine Rated Power: 36.8 kW @ 2,200 rpm
  
• Bucket Digging Force: 57 kN
  

Here are the key specifications for the Lonking LG6205E hydraulic excavator:

• Operating Weight: 21,100 kg
  
• Bucket Capacity: 0.83 m³
  
• Engine Model: Weichai WP6G175E301
  
• Rated Power: 129 kW @ 2,000 rpm
  
• Hydraulic System: Components such as the main pump, travel motor, and swing motor are upgraded to ensure reliable and stable performance.
  
• Cooling System: The cooling system is fully upgraded for better heat dissipation, ensuring stable engine and hydraulic system temperatures, extending the service life.
  
• Cab: The cab features a new luxurious floating seat and ergonomic control systems to reduce operator fatigue.
  
• Structure: Utilizes advanced Creo software and finite element analysis, combined with automated welding technology to ensure structural stability and durability.
  
• Control System: Upgraded display and control systems with faster response times, higher reliability, and more precise power matching, reducing fuel consumption.
  
• Maintenance: Optimized layout for easier and quicker daily maintenance.
  

Here are the key specifications for the Volvo EC220 hydraulic excavator:

• Operating Weight: Approximately 22,100 kg
  
• Engine Power: 129 kW (about 173 horsepower) at 1,800 rpm
  
• Bucket Capacity: Range from 0.48 to 1.44 m³
  
• Max Digging Depth: 6,730 mm
  
• Max Digging Radius: 9,930 mm
  
• Swing Speed: Approximately 11 rpm
  
• Travel Speed:
  • High: 5.7 km/h
    
  • Low: 3.5 km/h
    
• Bucket Digging Force: 130 kN
  
• Arm Digging Force: 108 kN
  
• Tail Swing Radius: 2,850 mm
  
• Overall Width: 2,990 mm
  

Here are the key specifications for the Hitachi ZX300-6A hydraulic excavator:

• Operating Weight: 28,900–29,300 kg
  
• Bucket Capacity: 1.4–1.62 m³
  
• Engine Model: Compliant with China Stage IV emission standards
  
• Rated Power: 210 kW (286 PS) gross / 202 kW (275 PS) net
  
• Swing Speed: Approximately 11.5 rpm
  

Here are the key specifications for the Juchao Group JC220-9 hydraulic excavator:

• Operating Weight: 21,500 kg
  
• Bucket Capacity: 0.92 m³
  
• Engine Model: Cummins B5.9-C (6BTAA)
  
• Rated Power: 133 kW @ 2000 rpm
  
• Max Torque: 708 Nm @ 1500 rpm
  
• Hydraulic System:
  • Working Pressure: 350 kgf/cm²
    
  • Max Flow: 220 × 2 + 31.5 L/min
    
• Swing Speed: 11.2 rpm
  
• Travel Speed: High: 5.65 km/h, Low: 3.43 km/h
  
• Bucket Digging Force: 130 kN
  
• Arm Digging Force: 103 kN
  
• Max Traction Force: 195 kN
  
• Gradeability: 35°
  
• Fuel Tank Capacity: 320 liters
  
• Hydraulic Oil Tank Capacity: 211 liters
  
• Overall Dimensions:
  • Length: 9,700 mm
    
  • Width: 2,990 mm
    
  • Height: 3,031 mm
    

Here are the key specifications for the XCMG XE205GH hydraulic excavator:

• Operating Weight: 21,800 kg
  
• Bucket Capacity: 1.0 – 1.2 m³
  
• Engine Model: Cummins B7
  
• Rated Power: 129 kW @ 2000 rpm
  
• Displacement: 7.0 liters
  
• Swing Speed: Approximately 11 rpm
  

Here are the key specifications for the Jianglu CN150CP excavator:

• Operating Weight: Approximately 14,000 kg
  
• Bucket Capacity: 0.5 cubic meters
  
• Engine Power: 92 kW
  

Here are the specifications for the Gehl Z35 GEN:2 compact excavator:

• Weight: Approximately 3,500 kg
  
• Bucket Capacity: About 0.11 m³
  
• Engine: Yanmar 3TNV88 diesel engine
  
• Power: 17.8 kW (24.2 horsepower)
  
• Displacement: 1.642 liters
  
• Swing Speed: Approximately 9.4 rpm
  

Here are the key technical specifications for the Levo FR215E2 crawler excavator:

• Model: Cummins QSB7
  
• Type: Inline 6-cylinder, electronic fuel injection, turbocharged and intercooled
  
• Rated Power: 169 kW (2050 rpm)
  
• Max Torque: 800 N·m
  

• Operating Weight: 21,000 kg
  
• Bucket Capacity: 0.7–1.0 m³
  
• Travel Speed: High speed: 5.2 km/h
  
• Swing Speed: 12 rpm
  
• Max Drawbar Pull: 217 kN
  
• Climbing Ability: 35°
  
• Bucket Digging Force: 156 kN
  
• Arm Digging Force: 109 kN
  

• Transport Dimensions (L × W × H): 9580 × 2800 × 3050 mm
  
• Track Width: 2800 mm
  
• Track Gauge: 2200 mm
  
• Ground Clearance: 443 mm
  
• Minimum Swing Radius (Front Attachment): 2910 mm
  
• Rear Swing Radius: 2880 mm
  

• Fuel Tank: 380 L
  
• Hydraulic Oil Tank: 220 L
  
• Engine Oil Capacity: 25 L
  
• Coolant Capacity: 32 L
  

• Main Pump Type: Dual-pump parallel system
  
• Maximum Main Pump Flow: 2 × 299 L/min
  
• Main Relief Valve Pressure: 37.3 MPa
  
• Pilot System Maximum Pressure: 3.9 MPa