Here are the main specifications for the Volvo EC400 CN4 excavator:

• Operating weight: 40,170 - 42,800 kg
  
• Engine model: Volvo D13J
  
• Rated power: 230 kW (at 1,600 rpm)
  
• Bucket capacity: 2.0 - 2.4 m³
  
• Maximum digging depth: 6,990 mm
  
• Maximum digging radius: 10,695 mm
  
• Swing speed: 10.2 rpm
  
• Travel speed: 3.3 / 5.1 km/h
  
• Gradeability: 35°
  
• Bucket digging force (ISO): 198 kN
  
• Arm digging force (ISO): 196 kN
  

Here are the main specifications for the Jinggong JG120LG4 excavator:

• Operating weight: 10,000 kg
  
• Engine: Yuchai YUCHAI (Tier IV)
  
• Rated power: 81 kW
  
• Max digging depth: 4,500 mm
  
• Bucket digging force: 60 kN
  
• Fuel tank capacity: 200 L
  

Here are the specifications for the Lovol FR20E2H-U crawler excavator:

• Operating Weight: 1,810 kg
  
• Engine Model: Kubota D902
  
• Rated Power: 11.8 kW @ 2,300 rpm
  
• Displacement: 0.898 L
  
• Bucket Capacity: 0.05 m³
  
• Swing Speed: 9 rpm
  
• Travel Speed: 2.2 / 4.2 km/h
  
• Gradeability: 30°
  
• Ground Pressure: 28.5 kPa
  
• Bucket Digging Force: 15.2 kN
  
• Arm Digging Force: 9.2 kN
  
• Main Pump Type: Variable displacement axial piston pump
  
• Max Flow of Main Pump: 2 × 17.5 L/min
  
• Main Relief Pressure: 22 MPa
  
• Fuel Tank Capacity: 19 L
  
• Hydraulic Oil Tank Capacity: 20 L
  

• Length: 3,860 mm
  
• Width: 990 mm
  
• Height: 2,280 mm
  
• Ground Clearance: 230 mm
  
• Tail Swing Radius: 1,120 mm
  

• Max Digging Radius: 4,000 mm
  
• Max Digging Depth: 2,300 mm
  
• Max Digging Height: 3,700 mm
  
• Max Dumping Height: 2,600 mm
  

Here are the specifications for the XCMG XE60WGH wheeled excavator:

• Operating Weight: 5,950 kg
  
• Engine: Yanmar engine
  
• Power: 49.9 kW @ 2400 rpm
  
• Bucket Capacity: 0.23 m³
  
• Bucket Digging Force: 43.8 kN
  
• Maximum Digging Radius: 6,145 mm
  

Here are the specifications for the World Heavy Industry W2150-8 excavator:

• Operating Weight: 13,600 kg
  
• Engine Model: Isuzu BB-4BG1TRP
  
• Rated Power: 72.7 kW @ 2200 rpm
  
• Max Torque: 357.6 N·m @ 1600 rpm
  
• Bucket Capacity: 0.53 m³
  
• Swing Speed: 12.5 rpm
  
• Travel Speed: 3.5 / 5.5 km/h
  
• Gradeability: 35°
  
• Ground Pressure: 45 kPa
  
• Bucket Digging Force: 99.8 kN
  
• Arm Digging Force: 68 kN
  
• Main Pump Type: Variable Displacement Piston Pump
  
• Max Flow of Main Pump: 2 × 135 L/min
  
• Main Relief Pressure: 31.4 / 34.3 MPa
  
• Fuel Tank Capacity: 240 L
  
• Hydraulic Oil Tank Capacity: 170 L
  

• Length: 7718 mm
  
• Width: 2490 mm
  
• Height: 2800 mm
  
• Ground Clearance: 392 mm
  
• Tail Swing Radius: 2380 mm
  

• Max Digging Radius: 8330 mm
  
• Max Digging Depth: 5532 mm
  
• Max Digging Height: 8640 mm
  
• Max Dumping Height: 6139 mm
  

At the historic juncture where the "14th Five-Year Plan" is coming to an end and the "15th Five-Year Plan" is beginning, China’s construction machinery industry is accelerating its transition to a new form of productivity. Amid this transformation, the 2025 Changsha International Construction Machinery Exhibition will open grandly on May 15, 2025. During this time, the "Building a New Ecosystem, New Quality Toward the Future — 2025 (3rd) China Construction Machinery User Development Conference," organized by Tiejia Network, will also be held as scheduled. The conference focuses on user value and industrial upgrades, creating a deep dialogue platform between enterprises and users, and will introduce authoritative rankings in the construction machinery industry.
01 Under the Wave of Industry Transformation, User Demand Drives Ecosystem Reconstruction
Currently, global industrial chains are accelerating their reconstruction, and the waves of intelligence and green transformation are sweeping through the construction machinery field. The new generation of users is reshaping the industry ecosystem: they use digital tools for precise equipment management, promote "on-demand leasing" and other asset-light models, and have a surge in demand for intelligent control, low-carbon equipment, and remote operation and maintenance. The role of users is shifting from "equipment users" to "ecosystem co-builders," making them core participants in the technological innovation chain.
As China’s leading construction machinery user platform, Tiejia Network has always been committed to the mission of "serving users with dedication and promoting industry progress." This conference will gather global leading enterprises, pioneers in new energy and intelligent technology, and representatives from end users, to explore practical paths for empowering user value through new productivity.
02 Five Major Authoritative Rankings to Be Released: Defining Industry Value Metrics
The 2025 China Construction Machinery User Development Conference, as one of the key forums during the CICEE 2025 Changsha International Construction Machinery Exhibition, will release five major authoritative industry rankings, including the Excavator Retention Rate Ranking, "User-Selected" Product Popularity Ranking, Accessory Brand Popularity Ranking, Second-Hand Construction Machinery Dealer Ranking (Dealers/Brokers), and Influential User Ranking.

• Excavator Retention Rate Ranking: As the industry's first authoritative ranking centered on long-term value, it will become a core metric for assessing the market value and brand power of construction machinery products. It is one of the most valuable rankings in the industry. Based on over 100,000 real transaction data from Tiejia's second-hand machinery platform over 10 years, the retention price data is calculated based on the average condition of second-hand equipment, combined with an equipment residual value prediction algorithm (basic formula: second-hand transaction price / market price of new equipment in the same year) and market supply-demand fluctuation coefficients to ensure objective data that reflects the value changes of products over a three-year period.
  
• "User-Selected" Product Popularity Ranking: Using Tiejia's million-level user behavior data pool, a four-dimensional dynamic evaluation system ("attention + click rate + inquiry conversion + real-name voting") will be established, with data collected from PC, APP, and mini-program platforms to ensure an accurate reflection of real user preferences.
  
• "User-Selected" Accessory Popularity Ranking: The first ranking focusing on aftermarket accessories, based on real feedback from a nationwide pool of terminal users on the Tiejia platform.
  
• Second-Hand Construction Machinery Dealer (Dealers/Brokers) Ranking: A system to evaluate second-hand construction machinery dealers, creating an industry benchmark for honest business practices and reducing transaction information asymmetry. This helps high-quality service providers gain market premiums.
  
• 2025 Tiejia National Influential Elite List: Identifying benchmark users with both professional insights and industry contributions, constructing an industry knowledge-sharing ecosystem, promoting the widespread dissemination of technical experiences, and building a resource group of industry opinion leaders.
  

It seems like you might be asking for the information in English. Here’s the Kobelco SK500XD-10ME Excavator specifications:

• Operating Weight: 54,900 kg
  
• Bucket Capacity: 2.5 - 3.4 m³
  
• Engine Rated Power: 257 kW @ 1,850 rpm
  

• Engine: Equipped with a high-power engine to provide strong performance for demanding working conditions.
  
• Hydraulic System: Features a high-efficiency hydraulic system, ensuring both excellent work efficiency and fuel economy.
  
• Operator Comfort: The cabin is ergonomically designed, providing a comfortable environment for the operator.
  
• Maintenance: Optimized maintenance design for easy daily upkeep and inspections.
  

Here are the specifications for the Guoji Changlin GE260H Hydraulic Excavator :

• Engine Model: Cummins QSB7-C188
  
• Rated Power: 140 kW @ 2,050 rpm
  
• Operating Weight: 25,820 kg
  
• Travel Speed (High/Low): 5.6 km/h / 3.2 km/h
  
• Standard Bucket Capacity: 1.3 m³
  
• Overall Length: 9,982 mm
  
• Overall Width: 3,190 mm
  
• Overall Height: 3,172 mm
  

• Engine: Equipped with a new generation of high-power, electronically controlled Cummins engine, offering strong power, low fuel consumption, and high reliability.
  
• Hydraulic System: Features a new hydraulic system with large displacement pumps and valves, allowing for high flow and efficient power distribution, making operations smoother and more efficient.
  
• Digging Power: Optimized cylinder design and a more efficient arm layout provide excellent digging power. An automatic boost function increases digging force under heavy loads.
  
• Swing System: Uses a high-displacement swing motor and optimized gear design for better swing torque and braking efficiency.
  
• Structure: The machine is equipped with reinforced arm, bucket, and heavy-duty chassis suitable for demanding work environments. It has an optimized box structure for better work stability.
  
• Control System: A new generation of intelligent control system adjusts hydraulic power according to work conditions, optimizing overall performance.
  
• Cab: The new cab is spacious and comfortable with advanced interior design and features full climate control (heating and cooling).
  
• Maintenance Design: Features easy, centralized maintenance and remote maintenance options for user convenience.
  

Here are the specifications for the Hefei Zhenyu ZYL160 Hydraulic Excavator:

• Operating Weight: 15,075 kg
  
• Engine Power: 87 kW (2,000 rpm)
  
• Bucket Capacity: 0.6 m³
  
• Max Digging Depth: 5,640 mm
  
• Max Digging Height: 8,666 mm
  
• Max Dumping Height: 6,296 mm
  
• Max Digging Reach: 8,256 mm
  
• Min Front Swing Radius: 2,482 mm
  
• Platform Width: 2,470 mm
  
• Undercarriage Width: 2,525 mm
  
• Transport Length: 7,772 mm
  
• Transport Width: 2,525 mm
  
• Transport Height: 3,528 mm
  
• Ground Clearance (Counterweight): 1,243 mm
  
• Ground Clearance (Minimum): 370 mm
  
• Blade Height: 525 mm
  
• Max Blade Depth: 148 mm
  

• Working Pressure: 30 MPa
  
• Variable Pump Displacement: 2 × 62 cm³/r
  

• Max Bucket Digging Force: 85 kN
  
• Max Arm Digging Force: 67 kN
  
• Gradeability: 33.7°
  
• Travel Speed:
  • High: 33 km/h
    
  • Low: 6.2 km/h
    
• Max Traction Force: 8.675 t
  
• Swing Speed: 13.3 rpm
  

Here are the specifications for the Komatsu PC2000-8 Hydraulic Excavator :

• Operating Weight: 200,000 kg
  
• Bucket Capacity: 12 m³
  
• Engine Model: Komatsu SAA12V140E-3
  
• Rated Power: 713 kW (970 PS) @ 1,800 rpm
  

• Maximum Travel Speed: 2.7 km/h
  
• Maximum Bucket Digging Force: 711 kN
  
• Maximum Arm Digging Force: 598 kN
  

• Overall Length: 17,030 mm
  
• Overall Width: 6,240 mm
  
• Overall Height (to top of cab): 7,135 mm
  

• Max Digging Height: 13,410 mm
  
• Max Dumping Height: 8,650 mm
  
• Max Digging Depth: 9,235 mm
  
• Max Vertical Digging Depth: 2,710 mm
  
• Max Digging Reach: 15,780 mm
  
• Max Reach at Ground Level: 15,305 mm