The main function of the fuel pump in an excavator engine is to extract fuel from the fuel tank, pressurize it, and deliver it to the fuel supply pipe, working in conjunction with the fuel pressure regulator to establish a certain fuel pressure.
The fuel pump is a core component of the excavator’s fuel supply system, typically located inside the vehicle’s fuel tank. It operates during startup and engine operation, responsible for extracting fuel from the fuel tank, pressurizing it, and delivering it to the fuel supply pipe. Working in coordination with the fuel pressure regulator, this process ensures the establishment of a certain fuel pressure, thereby ensuring the normal operation of the engine. Additionally, the fuel pump plays a role in boosting, filtering, pressure regulation, and monitoring control, ensuring that the engine receives clean fuel at the appropriate pressure.
In excavators, the role of the fuel pump is particularly crucial. It not only transports fuel for the engine operation but also monitors the fuel level in the tank, controls excess fuel from returning to the tank, and maintains pressure in the fuel lines after the engine is turned off. These functions collectively ensure the stable operation and efficient performance of the excavator.
In summary, the fuel pump in an excavator engine ensures the normal operation of the engine and the efficiency of the excavator’s operation by providing fuel at the appropriate pressure and after filtration.
Product NO. | Applicable models | Weight | Packaging unit |
401-00449 | DX140AF/DX140LCA
DX225LC DX140 DX140A DX140LC DX140LC-3/DX160LC-3 DX180LC DX180LC-3 DX180LC-5 DX190WA(T-2) DX200A DX210/DX225LCB DX210W DX210WA DX210WA(T-2) DX220A / DX225LCA DX220AF DX220LC DX220LC (TIER-3) DX220LC-5 DX220LCA DX225LC DX225LC (S/N 5433~) DX225LC-3 DX225LC-5 DX225NLC DX225NLCA DX230LC DX235LC-5 DX235NLC-5 DX255LC DX255LC-3 DX255LC-5 DX260LCA DX300LC DX300LC-3 DX300LC-3(S/N:1001~1511) DX300LC-3(S/N:1512~) DX300LC-5 DX300LC-5(S/N:1001~1057) DX300LC-5(S/N:1058~) DX300LCA TXC140LC-2 TXC180LC-2 TXC225LC-2 TXC300LC-2 DX140LC DX140LC-3 DX160LC DX160LC-3 DX180LC DX180LC-3 DX225LC DX225LC-3 DX235NLC DX255LC DX255LC-3 DX300LC DX300LC-3 DX225LCA |
3.67 KG | EA |