The engine components of an excavator are the core of the power system, mainly including the cylinder block, cylinder head, piston, connecting rod, crankshaft, camshaft, valve mechanism, etc. They generate mechanical energy through diesel combustion, driving the hydraulic pump to convert chemical energy into hydraulic energy, ensuring the efficient operation of the entire machine. The key components include valve assemblies, bearings, piston rings and turbochargers, which directly affect the engine's sealing, lubrication and output efficiency
