More environmentally friendly, more powerful, faster, and lower fuel consumption
- High-pressure common-rail Tier 3 engine, multiple fuel filtration systems ensure long-term use of the engine, while reducing harmful emissions, more environmentally friendly
-Optimize the oil circuit design of the main control valve, improve the working speed and compound operation ability
- Large-capacity loading operation is more efficient, and the amount of work per hour is greater
- Lower operating costs and higher return
Advanced hydraulic system
- Modern patented design, control flow and pressure according to the options of the equipment
- Automatic deceleration system with one-button deceleration function
- Various operating modes such as breaker mode, boom rotation priority mode, mining mode, etc., adapt to various operating environments
- Improved arm recovery and boom downflow regeneration systems increase speed and productivity
Advanced Information Technology
-Luxury 7-inch LCD display with fault diagnosis, maintenance list, password lock and other applications
- hour meter, fuel level, water temperature, oil temperature, etc.
- Remote control system setting operating range, reporting machine position, moving trajectory, etc.
- Laptop-based diagnosis and monitoring system
Enhanced electrical system performance
-MCU uses silicone seal to prevent moisture injection and vibration resistance
- Strengthen anti-corrosion treatment while increasing generator capacity
- Enhanced durability and reliability of pressure sensors
Comfortable, safe operating space
Spacious, modern cab, internal design for maximum comfort, enhanced thickened cab brackets to ensure driver safety:
-Automatic air conditioning system, Advanced suspension seat
-mp3 and radio player, audio and hands-free volume control, USB and socket assembly for convenient cell phone charging and data transfer
- Multiple storage and storage space, a little smoke tray and cup holder
-Sliding sunroof, wider view
Durability is more reliable and stronger
1 heat sink
-Permanent heat sinks have been tested for durability in harsh environments. Even in tougher work environments, superior heat dissipation performance can be demonstrated.
2 heavy load rock bucket standard configuration
- Heavy-duty rock bucket is installed, its durability life is increased by more than 2 times, which saves users the cost of reinforcement. The new type of heavy-duty rock bucket is shortened in width, length is increased, and stress relaxation makes the excavation resistance less. Side-mounted guards, The bottom is reinforced to minimize bucket wear. FISHTAIL welding shapes are used on the bottom edge to distribute stress and improve durability.
3 Strengthen the cab structure
-R520L-9VS provides users with front and top guardrails as standard. High-strength steels are integrally welded to form a stronger and more resistant upper and lower frame, front and top guards, to prevent falling objects, solid and reliable, ensure driving Safety.
4 heavy-duty boom and stick standard configuration
-R520L-9VS is equipped with heavy-duty boom and stick with excellent durability for China's harsh working environment. Its service life is increased by 1.5 times. In order to increase strength, cast steel is adopted for boom and stick. Dispersion of stress at side weld joints, increase of stiffeners. Wear armor plates are installed at the end of the stick to increase the wear resistance of the stick and the side of the bucket and reduce the bucket rocking.
5 Improved durability of the lower frame
-Integral forged slewing ring, 2 guide wheels for reinforcement and reinforcement on each side, improve durability, easily respond to harsh working conditions, ensure long-term stable operation of equipment.
Maintenance is faster and more convenient
