The Liugong CLG915E Excavator is a medium-sized tracked excavator designed for urban construction, landscaping, infrastructure development, and small-scale mining operations. Equipped with an advanced power system and hydraulic technology, the CLG915E delivers strong digging performance and excellent fuel efficiency. The model ensures high productivity while optimizing operator comfort and machine stability, making it an ideal choice for medium and small-scale construction projects.

• Model: CLG915E
  
• Operating Weight: 15,500 kg
  
• Overall Length: 7,420 mm
  
• Overall Width: 2,500 mm
  
• Overall Height (top of cab): 2,750 mm
  
• Wheelbase: 3,050 mm
  
• Minimum Ground Clearance: 400 mm
  

• Maximum Digging Height: 9,000 mm
  
• Maximum Dumping Height: 6,280 mm
  
• Maximum Digging Depth: 6,200 mm
  
• Maximum Digging Radius: 9,500 mm
  
• Maximum Vertical Digging Depth: 5,500 mm
  

• Engine Model: Liugong D04D6T
  
• Rated Power: 105 kW (140 hp)
  
• Rated Speed: 2,000 rpm
  
• Emission Standard: Euro III
  
• Fuel Tank Capacity: 250 L
  

• Main Pump Type: Variable displacement piston pump
  
• Main Pump Flow: 2 × 180 L/min
  
• System Working Pressure: 34.3 MPa
  

• Maximum Travel Speed: 5.5 km/h
  
• Gradeability: 30°
  
• Steering Angle: ±35°
  
• Minimum Turning Radius: 6,200 mm
  
• Braking Method: Hydraulic brake
  

• Standard Bucket Capacity: 0.6 m³
  
• Working Device Type: Backhoe
  
• Cab: Fully sealed with air conditioning, shock-resistant design
  

The Hyundai R520L-9VS is a large tracked excavator designed for heavy earthmoving and mining operations. Equipped with Hyundai’s advanced powertrain and intelligent hydraulic technology, it offers powerful performance and excellent fuel efficiency. The R520L-9VS provides a comfortable operating environment and robust safety features, making it ideal for large infrastructure projects, mining, and heavy-duty earthworks. It meets the demands of high-intensity and complex working conditions.

• Model: R520L-9VS
  
• Operating Weight: 52,000 kg
  
• Overall Length: 12,500 mm
  
• Overall Width: 3,300 mm
  
• Overall Height (top of cab): 3,600 mm
  
• Wheelbase: 4,800 mm
  
• Minimum Ground Clearance: 450 mm
  

• Maximum Digging Height: 12,200 mm
  
• Maximum Dumping Height: 8,750 mm
  
• Maximum Digging Depth: 8,500 mm
  
• Maximum Digging Radius: 12,700 mm
  
• Maximum Vertical Digging Depth: 7,100 mm
  

• Engine Model: Hyundai D6HB
  
• Rated Power: 333 kW (447 hp)
  
• Rated Speed: 1,900 rpm
  
• Emission Standard: Euro IV (meets latest emission regulations)
  
• Fuel Tank Capacity: 700 L
  

• Main Pump Type: Variable axial piston pump
  
• Main Pump Flow: 2 × 520 L/min
  
• System Working Pressure: 35 MPa
  

• Maximum Travel Speed: 5.5 km/h
  
• Gradeability: 35°
  
• Steering Angle: ±45°
  
• Minimum Turning Radius: 7,900 mm
  
• Braking Method: Hydraulic brake
  

• Standard Bucket Capacity: 2.5 m³
  
• Working Device Type: Backhoe
  
• Cab: Fully sealed with air conditioning, shock-resistant design
  

The Sunward SWE500F Euro IV Excavator is a large tracked excavator designed for heavy-duty and large-scale engineering projects. It is widely used in mining, earthworks, road construction, and major infrastructure projects. Equipped with a highly efficient engine and hydraulic system, the SWE500F ensures excellent stability and high performance under complex working conditions. Complying with Euro IV emission standards, this model offers low fuel consumption and outstanding operational efficiency, making it an ideal choice for large construction projects.

• Model: SWE500F (Euro IV)
  
• Operating Weight: 50,000 kg
  
• Overall Length: 10,600 mm
  
• Overall Width: 3,200 mm
  
• Overall Height (top of cab): 3,400 mm
  
• Wheelbase: 4,400 mm
  
• Minimum Ground Clearance: 400 mm
  

• Maximum Digging Height: 10,200 mm
  
• Maximum Dumping Height: 7,100 mm
  
• Maximum Digging Depth: 7,200 mm
  
• Maximum Digging Radius: 10,600 mm
  
• Maximum Vertical Digging Depth: 6,500 mm
  

• Engine Model: Cummins QSB7
  
• Rated Power: 186 kW (249 hp)
  
• Rated Speed: 2,000 rpm
  
• Emission Standard: Euro IV (meets latest emission regulations)
  
• Fuel Tank Capacity: 400 L
  

• Main Pump Type: Dual-pump load-sensing system
  
• Main Pump Flow: 2 × 400 L/min
  
• System Working Pressure: 34.3 MPa
  

• Maximum Travel Speed: 5.5 km/h
  
• Gradeability: 30°
  
• Steering Angle: ±45°
  
• Minimum Turning Radius: 7,800 mm
  
• Braking Method: Hydraulic brake
  

• Standard Bucket Capacity: 2.0 m³
  
• Working Device Type: Backhoe
  
• Cab: Fully sealed with air conditioning, shock-resistant design
  

The Hyundai R350LVS Excavator is a large tracked excavator designed for high-intensity and large-scale engineering projects. It is widely used in mining, earthworks, road construction, and infrastructure development. Combining modern advanced power and hydraulic systems, the R350LVS ensures stability and reliability during high-efficiency operations in extreme environments. This model offers excellent operational performance, a comfortable driving environment, and lower fuel consumption, making it an ideal choice for large engineering projects.

• Model: R350LVS
  
• Operating Weight: 35,000 kg
  
• Overall Length: 11500 mm
  
• Overall Width: 3200 mm
  
• Overall Height (top of cab): 3300 mm
  
• Wheelbase: 4400 mm
  
• Minimum Ground Clearance: 400 mm
  

• Maximum Digging Height: 10100 mm
  
• Maximum Dumping Height: 6800 mm
  
• Maximum Digging Depth: 7100 mm
  
• Maximum Digging Radius: 10600 mm
  
• Maximum Vertical Digging Depth: 6000 mm
  

• Engine Model: Hyundai D64D
  
• Rated Power: 221 kW (296 hp)
  
• Rated Speed: 2000 rpm
  
• Emission Standard: Euro IV (meets the latest emission regulations)
  
• Fuel Tank Capacity: 500 L
  

• Main Pump Type: Dual-pump load-sensing system
  
• Main Pump Flow: 2 × 450 L/min
  
• System Working Pressure: 34.3 MPa
  

• Maximum Travel Speed: 5.5 km/h
  
• Gradeability: 35°
  
• Steering Angle: ±45°
  
• Minimum Turning Radius: 7600 mm
  
• Braking Method: Hydraulic brake
  

• Standard Bucket Capacity: 1.8 m³
  
• Working Device Type: Backhoe
  
• Cab: Fully sealed with air conditioning, shock-resistant design
  

The SDLG E6500HB (Euro IV) Excavator is a large-tonnage tracked excavator, specially designed for heavy-duty engineering applications. It is widely used in mining, large-scale earthworks, road construction, and infrastructure projects. With its outstanding power system, efficient hydraulic performance, and stable working capabilities, the E6500HB excels in delivering high work efficiency and strong operational capabilities, even under heavy loads and high-intensity conditions. This model complies with Euro IV emission standards, further improving its environmental performance and economic efficiency.

• Model: E6500HB (Euro IV)
  
• Operating Weight: 56,000 kg
  
• Overall Length: 10700 mm
  
• Overall Width: 3200 mm
  
• Overall Height (top of cab): 3500 mm
  
• Wheelbase: 4350 mm
  
• Minimum Ground Clearance: 400 mm
  

• Maximum Digging Height: 10000 mm
  
• Maximum Dumping Height: 7000 mm
  
• Maximum Digging Depth: 7000 mm
  
• Maximum Digging Radius: 11000 mm
  
• Maximum Vertical Digging Depth: 6000 mm
  

• Engine Model: Cummins QSB7
  
• Rated Power: 162 kW (217 hp)
  
• Rated Speed: 2000 rpm
  
• Emission Standard: Euro IV (meets the latest emission regulations)
  
• Fuel Tank Capacity: 500 L
  

• Main Pump Type: Axial piston pump
  
• Main Pump Flow: 2 × 380 L/min
  
• System Working Pressure: 34.3 MPa
  

• Maximum Travel Speed: 5.5 km/h
  
• Gradeability: 30°
  
• Steering Angle: ±45°
  
• Minimum Turning Radius: 8000 mm
  
• Braking Method: Hydraulic brake
  

• Standard Bucket Capacity: 2.5 m³
  
• Working Device Type: Backhoe
  
• Cab: Fully sealed with air conditioning, shock-resistant design
  

The Doosan DX60W ECO-1 Excavator is a medium-sized wheeled excavator with exceptional fuel efficiency and high-performance capabilities. Combining environmentally friendly design with an efficient power system, it is suitable for a variety of applications, including municipal construction, road building, landscaping, and pipeline installation. The DX60W ECO-1 offers excellent stability, flexibility, and low operating costs, while ensuring high-efficiency operation and operator comfort. With outstanding fuel economy and a high-efficiency hydraulic system, the DX60W ECO-1 is the ideal choice for energy-efficient and eco-friendly modern construction projects.

• Model: DX60W ECO-1
  
• Operating Weight: 6000 kg
  
• Overall Length: 6000 mm
  
• Overall Width: 2100 mm
  
• Overall Height (top of cab): 2700 mm
  
• Wheelbase: 2300 mm
  
• Minimum Ground Clearance: 300 mm
  

• Maximum Digging Height: 7250 mm
  
• Maximum Dumping Height: 5100 mm
  
• Maximum Digging Depth: 4500 mm
  
• Maximum Digging Radius: 7800 mm
  
• Maximum Vertical Digging Depth: 3800 mm
  

• Engine Model: Doosan D1146T
  
• Rated Power: 85 kW (113 hp)
  
• Rated Speed: 2200 rpm
  
• Emission Standard: Euro III/Euro IV (optional)
  
• Fuel Tank Capacity: 140 L
  

• Main Pump Type: Variable axial piston pump
  
• Main Pump Flow: 2 × 140 L/min
  
• System Working Pressure: 28 MPa
  

• Maximum Travel Speed: 30 km/h
  
• Gradeability: 30°
  
• Steering Angle: ±35°
  
• Minimum Turning Radius: 5900 mm
  
• Braking Method: Air brake
  

• Standard Bucket Capacity: 0.3 m³
  
• Working Device Type: Backhoe
  
• Cab: Sealed, shock-absorbed, with air conditioning
  

The Doosan DX210W-9C is a wheeled excavator designed for a wide range of medium to large-scale projects. It offers excellent working range and an efficient power system, making it widely used in municipal construction, road building, earthworks, mining, and other fields. This model has a compact design that allows flexible operation even in complex environments, while providing superior stability and operator comfort. With outstanding fuel economy and high hydraulic performance, the DX210W-9C is an ideal machine for modern construction projects.

• Model: DX210W-9C
  
• Operating Weight: 21,200 kg
  
• Overall Length: 8200 mm
  
• Overall Width: 2500 mm
  
• Overall Height (top of cab): 3000 mm
  
• Wheelbase: 2800 mm
  
• Minimum Ground Clearance: 350 mm
  

• Maximum Digging Height: 10,200 mm
  
• Maximum Dumping Height: 6400 mm
  
• Maximum Digging Depth: 6300 mm
  
• Maximum Digging Radius: 9600 mm
  
• Maximum Vertical Digging Depth: 5400 mm
  

• Engine Model: Doosan D1146T
  
• Rated Power: 129 kW (173 hp)
  
• Rated Speed: 2000 rpm
  
• Emission Standard: Euro III/Euro IV (optional)
  
• Fuel Tank Capacity: 220 L
  

• Main Pump Type: Variable axial piston pump
  
• Main Pump Flow: 2 × 240 L/min
  
• System Working Pressure: 34.3 MPa
  

• Maximum Travel Speed: 38 km/h
  
• Gradeability: 30°
  
• Steering Angle: ±35°
  
• Minimum Turning Radius: 6300 mm
  
• Braking Method: Air brake
  

• Standard Bucket Capacity: 0.9 m³
  
• Working Device Type: Backhoe
  
• Cab: Sealed, shock-absorbed, with air conditioning
  

The Wacker Neuson EW65 is a compact tracked excavator, designed for operations in confined spaces. It is widely used in municipal engineering, landscaping, pipeline construction, and small earthworks. This model offers excellent stability, powerful working capabilities, and low fuel consumption, making it especially suitable for efficient operations in urban construction and infrastructure projects. The EW65 also provides excellent operator comfort and a high-performance power system, making it a cost-effective and ideal piece of equipment.

• Model: EW65
  
• Operating Weight: 6000 kg
  
• Overall Length: 5400 mm
  
• Overall Width: 2100 mm
  
• Overall Height (top of cab): 2700 mm
  
• Wheelbase: 2300 mm
  
• Minimum Ground Clearance: 300 mm
  

• Maximum Digging Height: 6400 mm
  
• Maximum Dumping Height: 4100 mm
  
• Maximum Digging Depth: 3800 mm
  
• Maximum Digging Radius: 5900 mm
  
• Maximum Vertical Digging Depth: 3000 mm
  

• Engine Model: Nissan 4D88E
  
• Rated Power: 55 kW (74 hp)
  
• Rated Speed: 2200 rpm
  
• Emission Standard: Euro III/Euro IV (optional)
  
• Fuel Tank Capacity: 120 L
  

• Main Pump Type: Axial piston pump
  
• Main Pump Flow: 2 × 90 L/min
  
• System Working Pressure: 28 MPa
  

• Maximum Travel Speed: 35 km/h
  
• Gradeability: 30°
  
• Steering Angle: ±35°
  
• Minimum Turning Radius: 5500 mm
  
• Braking Method: Pneumatic brake
  

• Standard Bucket Capacity: 0.3 m³
  
• Working Device Type: Backhoe
  
• Cab: Sealed, shock-absorbed, with air conditioning
  

The SANY SY1350H Excavator is a highly efficient and durable large crawler excavator designed for heavy-duty applications such as mining, heavy earthworks, and road construction. This model offers powerful digging capabilities and stable operational performance, equipped with a high-performance engine and advanced hydraulic system, making it capable of handling even the most demanding work environments. The SY1350H offers excellent work efficiency and fuel economy, making it the ideal choice for large-scale engineering projects.

• Model: SY1350H
  
• Operating Weight: 137,500 kg
  
• Overall Length: 11500 mm
  
• Overall Width: 3000 mm
  
• Overall Height (top of cab): 4300 mm
  
• Wheelbase: 5200 mm
  
• Minimum Ground Clearance: 450 mm
  

• Maximum Digging Height: 10700 mm
  
• Maximum Dumping Height: 7900 mm
  
• Maximum Digging Depth: 6700 mm
  
• Maximum Digging Radius: 11500 mm
  
• Maximum Vertical Digging Depth: 5600 mm
  

• Engine Model: Weichai WD12G240E22
  
• Rated Power: 176 kW (240 hp)
  
• Rated Speed: 2000 rpm
  
• Emission Standard: Euro III (Euro IV optional)
  
• Fuel Tank Capacity: 900 L
  

• Main Pump Type: Dual pump variable piston pump
  
• Main Pump Flow: 2 × 450 L/min
  
• System Working Pressure: 34.3 MPa
  

• Maximum Travel Speed: 5.5 km/h
  
• Gradeability: 30°
  
• Steering Angle: ±40°
  
• Minimum Turning Radius: 6500 mm
  
• Braking Method: Air brake
  

• Standard Bucket Capacity: 1.3 m³
  
• Working Device Type: Backhoe
  
• Cab: Air suspension seat, air conditioning system (heating and cooling)
  

Track rollers are crucial components in tracked machinery such as excavators and bulldozers, responsible for supporting and driving the movement of the tracks. Proper maintenance and care not only enhance the machine’s performance but also extend the lifespan of the rollers and reduce repair costs. Below are practical maintenance tips to keep your track rollers in optimal condition.
1. Regular Inspection of Track Rollers
Regularly inspecting the track rollers is essential to ensure smooth equipment operation. Look for cracks, wear, or other damage on the roller surface. Excessive wear can cause uneven track movement and may lead to machine failure. Replace rollers immediately if you notice significant damage or wear.
Also, check the bearings and seals. Damaged seals can allow water and dirt to enter the roller’s interior, increasing wear and reducing lifespan. Keeping seals intact helps maintain lubrication inside the roller and minimizes friction.
2. Proper Lubrication
Adequate lubrication is key to the smooth operation of track rollers. Regularly check and replace lubricants, especially after extended use. Using lubricants recommended by the manufacturer helps reduce friction and prevents damage caused by overheating.
Be careful not to over-lubricate or under-lubricate, as either can negatively affect roller performance. Follow the equipment manual’s guidelines for lubrication frequency and quantity.
3. Maintain Proper Track Tension
Track tension directly affects the condition of the track rollers. Overly tight tracks can accelerate roller wear, while loose tracks may cause slippage or derailment. Ensure track tension is within the recommended range by consulting your machine’s manual.
Adjust the tension promptly if you notice the tracks are too tight or too loose to maintain optimal roller performance.
4. Timely Cleaning of Debris
Track rollers often come into contact with mud, sand, and other debris during operation. Accumulated dirt can hinder roller function. Regularly clean the rollers and surrounding areas, especially when working in muddy or wet conditions. Using a high-pressure washer can effectively remove stuck soil and stones.
5. Check Roller Alignment
Proper alignment of track rollers is vital for efficient machine operation. Ensure the rollers run parallel to the track and are correctly positioned. Misaligned or uneven rollers can cause uneven wear and reduce efficiency. Adjust any misalignments promptly to avoid further damage.
Conclusion
Track rollers play a vital role in the performance of tracked machinery. Through regular inspection, lubrication, cleaning, and proper track tension maintenance, you can ensure your rollers remain in good working condition. Early detection and resolution of issues reduce downtime and repair costs, allowing your equipment to perform tasks reliably and efficiently.