John Deere E400LC excavator uses the original imported John Deere engine from the United States, leading the industry in liter power, wet cylinder liner, reversible hydraulic speed regulating fan, variable section turbocharger, automatic idling and delayed flameout. John Deere Intelligent Hydraulic Control System (JD-IHC) has the industry's exclusive high-efficiency mode, intelligent booster mode and boom priority loading mode. The cab has a large space, with built-in pressurization and all-weather high-end air-conditioning system, comes standard with ROPS/FOPS protection structure, and 7 LED lights. The newly optimized bucket design is more wear-resistant, and adopts different opening widths, teeth and side edges for different materials and working conditions. The reinforced boom and stick are specially designed for heavy and rocky conditions. The heightened and widened chassis system is equipped with standard double-tooth track and rock-type full-length rail guards.Editor/Luo Wentao