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.

Operating a tractor backhoe effectively requires mastering the right techniques and methods, especially when performing tasks like land excavation and pipe installation. While a tractor backhoe may seem like a straightforward tool, applying some practical tips and gaining experience can significantly improve work efficiency and prevent unnecessary issues or equipment damage.
1. Proper Seating and Operating Posture
Having the correct seating position ensures comfort and enhances control precision. Sitting too high or too low can affect how accurately you handle the controls and pedals. Adjust the seat to fit your needs, ensuring stability and comfort, which helps reduce fatigue and improve reaction time during extended use.
2. Hydraulic Bucket Operation Tips
Tractor backhoes typically feature hydraulic buckets. To maximize efficiency, operate the controls slowly and steadily. Avoid sudden or rapid movements that can unevenly stress the bucket, leading to decreased performance or damage.
3. Managing Turning Radius
When maneuvering the backhoe, especially in tight spaces, it’s important to manage the turning radius carefully. Avoid sharp or fast turns to prevent excessive shaking or unexpected accidents. Adjusting your turning radius in confined areas helps maintain equipment stability.
4. Control Bucket Lift and Lowering Speed
The speed at which you lift and lower the bucket impacts work efficiency. When digging deep, a faster lowering speed can save time, but for precise tasks, slowing down improves accuracy and avoids damaging soil or nearby objects. Operators should adjust hydraulic responsiveness based on the task.
5. Practice Precision Control and Positioning
Precision in bucket control, excavation positioning, and soil placement is essential. Beginners should practice with targeted drills to build these skills. Repeated practice allows operators to respond quickly and improve productivity on the job.
6. Regular Maintenance and Care
Maintaining the backhoe is vital for long-term reliable operation. Regularly inspect the hydraulic system, engine, and working parts. Change lubricants and hydraulic fluids as recommended. Proper upkeep extends machine life, enhances performance, and reduces downtime.
Conclusion
A tractor backhoe is a highly versatile and efficient machine, but maximizing its potential depends on the operator’s skills and maintenance habits. By mastering proper posture, hydraulic control, turning techniques, and routine care, operators can complete tasks more safely and efficiently.

Mini excavators, known for their compact size and versatility, require selecting the right trailer to ensure safe and efficient transport. Different transportation needs dictate the type and specifications of the trailer used, which is critical for protecting the equipment during transit.
Common trailers for transporting mini excavators include flatbed trailers and lowboy trailers. Flatbed trailers are suitable for short distances and smooth roads due to their simple structure and ease of loading. Lowboy trailers, with a lower center of gravity, are preferred for long-distance hauling and where higher stability is required, as they better distribute the load.
The trailer’s load capacity must be chosen according to the excavator’s weight, ensuring both the trailer and towing vehicle can safely carry the load. Securing the equipment is essential: use high-strength straps or chains to firmly fix the machine and prevent movement that could cause damage during transport.
Some users recommend specialized loading ramps to facilitate smooth and safe loading and unloading, minimizing risks. When loading, attention should be paid to ramp angle, load balance, and equipment positioning to ensure safety.
Additionally, trailer width, length, and axle configuration must comply with road regulations to avoid oversize or overweight violations. Considering future transport needs for other equipment when selecting a trailer is also a wise strategy.
In summary, choosing the right trailer not only safeguards your mini excavator during transport but also improves operational efficiency. Knowing your equipment’s weight and transport route, combined with a quality trailer and proper handling, is key to successful transportation.

Transporting a mini excavator may seem straightforward, but it requires careful preparation to ensure safety and prevent damage during transit. Whether for short or long distances, securely fastening the machine is key to a smooth transportation process.
First, selecting the right transport vehicle is crucial. Flatbed trailers or specialized equipment transport trucks are commonly used, as they can support the mini excavator’s weight and offer sufficient tie-down points. The vehicle’s load capacity and dimensions must match the excavator’s specifications.
When securing the excavator, use heavy-duty straps or chains to prevent any movement during transport. Special attention should be paid to securing the rotating parts and the boom to avoid swaying that could cause damage or safety hazards. Many users recommend installing locking devices on the boom for extra security.
Loading and unloading also require careful handling. Make sure the ramp angle is appropriate to avoid slipping or tipping. Operators should be proficient in maneuvering the excavator, driving slowly and steadily on and off the trailer.
During transportation, obey all traffic laws, especially those concerning oversize or overweight loads, to ensure road safety. Use warning signs and lights to alert other drivers.
Finally, regularly check the straps and equipment condition, particularly on long trips, to ensure nothing has loosened.
In summary, transporting a mini excavator presents some challenges, but with proper preparation and correct operation, you can safely deliver your machine without unnecessary damage or accidents.

Many users of mini excavators have found that adding a tree shear attachment can significantly improve efficiency when clearing trees and brush, especially for landscaping, site preparation, and small-scale forest management tasks.
A tree shear quickly cuts through tree trunks and thicker branches, offering a more flexible solution and reducing the manual labor required for tree removal. For mini excavators, it’s important to choose the right size and weight of the tree shear to ensure it is compatible with the machine’s rated capacity and to avoid damage to the equipment.
Users have reported that after installing a tree shear, the excavator not only completes traditional digging tasks but also excels at tree pruning and clearing work, expanding the machine's functionality. Experienced operators emphasize that it’s crucial to thoroughly check the shear’s installation, especially the hydraulic connections, to ensure safe operation.
Maintenance of the tree shear is also key, with regular lubrication and blade inspections recommended to extend its lifespan. Although tree shears can be quite expensive, they are a worthwhile investment for projects that require frequent tree removal, as they significantly boost work efficiency and safety.
In conclusion, for mini excavator users who need to clear trees in tight or complex environments, equipping the machine with a suitable tree shear attachment offers a practical and efficient solution.

In the field of modern construction machinery, Trimble GPS control systems are widely used for precise positioning and automated operations on bulldozers, graders, and excavators. For operators and contractors aiming to boost efficiency and reduce manual staking and repeated surveying, these systems offer significant benefits.
Users have shared that Trimble’s GPS systems are especially valuable for large-scale projects that demand high-precision grading, such as roads, farmland leveling, and major building site preparation. By combining real-time satellite positioning with machine controls, operators can follow design plans closely and complete tasks like dozing and grading with much higher accuracy and consistency.
However, there are some important considerations:

• In areas with poor satellite signal or obstructions (like tall buildings), GPS accuracy can drop.
  
• The initial investment cost is relatively high, and proper installation plus ongoing maintenance are required.
  
• For first-time users, there is a learning curve to understand the system interface and how to input data correctly.
  

An excavator is widely known as a rugged digging machine, but for experienced operators, it can become a surprisingly precise tool for delicate tasks. Many skilled drivers have demonstrated that, with enough practice and control, an excavator can perform actions that most people would never expect.
Operators have shared some impressive examples of what they can do:

• Picking up a soda can from the ground and gently placing it on a truck seat
  
• Using the bucket to hang keys on a hook
  
• Even carefully opening a bottle cap using only the edge of the bucket.