Here are the key specifications for the Jiahe JHW70 wheeled excavator:

• Operating Weight: 7,000 kg
  
• Bucket Capacity: 0.21 m³
  
• Engine Model: 4D32ZG31
  
• Rated Power: 48 kW (approximately 64 horsepower) @ 2,300 rpm
  
• Swing Speed: 0-12 rpm
  
• Gradeability: 25%
  
• Bucket Digging Force: 45 kN
  
• Arm Digging Force: 36 kN
  
• Maximum Digging Radius: 5,820 mm
  
• Maximum Digging Depth: 3,290 mm
  
• Maximum Digging Height: 5,865 mm
  
• Maximum Dumping Height: 4,212 mm
  
• Minimum Swing Radius: 2,296 mm
  

• Strong Power: Equipped with the 4D32ZG31 engine, providing ample power for a variety of working conditions.
  
• Efficient Operation: Optimized hydraulic system and bucket design enhance digging efficiency and overall performance.
  
• Comfortable Operation: The ergonomically designed cab and simple control interface improve operator comfort and ease of use.
  
• Easy Maintenance: Well-organized maintenance space makes daily upkeep and inspections easier, reducing maintenance costs.
  

Here are the key specifications for the Hengwang HW-230 excavator:

• Operating Weight: 22,300 kg
  
• Bucket Capacity: 1.2 m³
  
• Engine Model: Cummins
  
• Rated Power: 128 kW (approximately 171 horsepower)
  

• Powerful Digging Capability: The HW-230 is equipped with an efficient hydraulic system and a powerful engine, capable of easily handling various soil and rock types, offering excellent digging performance.
  
• Stable Working Performance: This model is designed for stability and balance, ensuring high-efficiency operation on different terrains and work conditions, improving work efficiency and safety.
  

Here are the key specifications for the Ninggong NG909A excavator:

• Operating Weight: 9,200 kg
  
• Bucket Capacity: 0.34 m³
  
• Rated Power: 60 kW (approximately 80 horsepower) @ 2,200 rpm
  

• Powerful Working Capacity: The NG909A is equipped with a high-performance engine that provides sufficient power for efficient completion of various complex digging tasks.
  
• Stable and Reliable: Built with high-strength steel for the body and critical components, ensuring durability and performance in tough working conditions, extending the service life.
  
• Flexible Operation: The advanced hydraulic system and precise control devices make the operation simple and flexible, with fast response times to meet various working conditions.
  
• High Safety: Equipped with multiple safety features such as overload protection, walking path warnings, and anti-slip devices to ensure operator safety.
  
• Easy Maintenance: The modular design of components ensures tight connections, making maintenance and part replacement easier, reducing maintenance costs and downtime.
  
• Versatility: With various digging attachments and work tools, such as grabbers, trench buckets, and pile drivers, the NG909A can meet a wide range of job site requirements.
  

Here are the key specifications for the SANY SWE265F hydraulic excavator:

• Operating Weight: 26,500 to 27,300 kg
  
• Bucket Capacity: 1.3 to 1.6 m³
  
• Rated Power: 169 kW (approximately 226 horsepower) @ 2,050 rpm
  
• Engine Model: Cummins QSB7
  
• Bucket Digging Force: 192 kN
  
• Arm Digging Force: 124 kN
  
• System Working Pressure: 34.3 to 37 MPa
  

• High Efficiency: The SWE265F offers a range of bucket options such as 1.3m³ rock buckets, 1.4m³ general-purpose buckets, and 1.6m³ soil buckets. The optimized bucket shape enhances operational efficiency.
  
• Strong Power: Equipped with a 169 kW Cummins QSB7 engine, providing ample power reserves suitable for various work conditions.
  
• Low Fuel Consumption: The excavator features electronically controlled high-displacement pumps and SANY’s proprietary APMCT adaptive power matching control technology, achieving a fuel-saving effect of 8% to 12%.
  
• High Reliability: Designed with a large box-type chassis and reinforced four-wheel-and-track system, offering strong load-bearing capacity. The oversized section boom and arm enhance durability and extend service life.
  

Here are the key specifications for the Hengwang HWL90-9 Wheel Excavator:

• Operating Weight: 8.2 tons
  
• Engine Model: 4D32
  
• Engine Power: 55 kW @ 2,200 rpm
  
• Fuel Tank Capacity: 130 liters
  
• Hydraulic Oil Tank Capacity: 110 liters
  
• Main Pump Displacement: 27 + 27 ml/r
  
• Working Pressure: 22 MPa
  
• Maximum Digging Depth: 3,655 mm
  
• Maximum Digging Height: 6,930 mm
  
• Maximum Dump Height: 5,170 mm
  
• Maximum Digging Radius: 6,845 mm
  
• Arm Digging Force: 18 kN
  
• Bucket Digging Force: 31 kN
  
• Bucket Capacity: 0.28 m³
  
• Travel Speed: 35 km/h
  
• Minimum Turning Radius: 6,800 mm
  
• Swing Speed: 10.5 rpm
  
• Minimum Tail Swing Radius: 1,980 mm
  
• Dimensions (L × W × H): 6,410 × 2,020 × 2,840 mm
  
• Tire Model: 825-16
  
• Number of Tires: 8
  
• Minimum Ground Clearance: 220 mm
  
• Maximum Lift Height of Bulldozer Blade: 320 mm
  
• Maximum Support Height of Bulldozer Blade: 30 mm
  

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

• Operating Weight: 22,100 kg
  
• Bucket Capacity: 1.3 m³
  
• Engine Rated Power: 123 kW (approximately 164 horsepower)
  
• Bucket Digging Force: 153 kN
  
• Arm Digging Force: 111 kN
  
• Swing Speed: 12.1 rpm
  
• Travel Speed:
  • High: 5.7 km/h
    
  • Low: 3.5 km/h
    
• Track Width: 600 mm
  
• Track Gauge: 2,390 mm
  
• Track Ground Length: 3,660 mm
  
• Upper Structure Width: 2,700 mm
  
• Cab Height: 2,930 mm
  
• Overall Width (Transport): 2,990 mm
  
• Overall Length (Transport): 9,690 mm
  
• Minimum Ground Clearance: 460 mm
  

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