The Cummins engine customized by XCMG has a characteristic curve of power and fuel consumption, so that the excavator has sufficient power and fuel-saving performance. The main pump has been precisely debugged by XCMG and perfectly matched with the engine. It enables the engine to work under rated power and the economical range of fuel consumption, providing a stable and suffi-cient power supply for the excavator while effectively reducing fuel consumption. XE140I is suitable for multi-action compound operation requirements of vari-ous high efficiency, low energy consumption and application places.