In the power core of Volvo EC140 excavator, the original D4D cylinder head occupies an irreplaceable key position. It is the core component to ensure efficient and stable operation of the engine and is tailor-made for Volvo EC140 excavator.
The original D4D cylinder head is precisely designed for the engine model and body structure of Volvo EC140 excavator. Its various dimensions and specifications are perfectly matched with the engine cylinder block, ensuring that it can be easily and seamlessly connected during installation without complicated debugging. This precise adaptation not only improves assembly efficiency, but more importantly, it eliminates potential problems such as leakage and power loss caused by mismatched accessories from the root, laying a solid foundation for the long-term and stable operation of the excavator.
The combustion chamber design of the D4D cylinder head has been carefully optimized, working in conjunction with the engine's intake and exhaust systems to achieve more complete combustion of fuel. The direct effect of this optimization is that the engine power output is more surging. When dealing with various earthwork excavation, material loading and unloading and other heavy tasks, the Volvo EC140 excavator can show strong torque and power, easily overcome resistance, and greatly improve operating efficiency. In addition, the improvement of combustion efficiency also reduces exhaust emissions, meets environmental protection standards, and helps the construction environment to be greener and cleaner.
The Volvo EC140 excavator is equipped with two variable axial piston pumps, the maximum flow of the main pump can reach 2×118L/min, and is equipped with a gear pump with a maximum flow of 21L/min. The variable axial piston pump can intelligently adjust the output flow and pressure according to the load requirements of the operation, realize accurate and efficient power transmission, and ensure that the excavator can maintain a stable and efficient operating speed under different working conditions.
The slewing hydraulic motor adopts an axial piston motor (with mechanical brake), and the travel hydraulic motor is a variable axial piston motor (with mechanical brake). The swing hydraulic motor is responsible for the fast and smooth rotation of the superstructure, allowing the excavator to flexibly adjust the working direction; the travel hydraulic motor drives the excavator to move stably on different terrains. It has an automatic dual-speed function and can travel at high speed on flat roads to improve transfer efficiency. It switches to low-speed and high-torque mode under complex terrain or heavy-load conditions to ensure strong traction and climbing ability.
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